How To Virtualize Your Data Center

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EMC.Test-inside.E20-018.v2014-01-02.by.Watson.289q

Number: E20-018 Passing Score: 800 Time Limit: 120 min File Version: 12.5

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Exam Code: E20-018

Exam Name: Virtualized Data Center and Cloud Infrastructure Design Specialist

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Exam A QUESTION 1

What is the first phase of the Virtual Data Center Design Process?

A. Evaluate technology options B. Create plan

C. Perform initial analysis D. Gather data

Correct Answer: D Section: (none) Explanation

Explanation/Reference:

QUESTION 2

What is the key business goal when consolidating by business application?

A. Virtualize the compute environment for efficiency B. Identify security gaps and increase security measures

C. Reduce footprint by decreasing energy and space requirements D. Implement converged network technology for performance Correct Answer: A

Section: (none) Explanation

QUESTION 3

A large company with multiple heterogeneous arrays would like to take advantage of the performance simplified management benefits of storage virtualization. They have a data center transformation pain that includes producing power and cooling at a high priority.

Which storage virtualization method would meet their requirements?

A. Network-based storage tiering B. Vertical storage tiering

C. Server-based storage tiering D. Horizontal storage tiering Correct Answer: B

QUESTION 4

When using logging to maintain server security, which is the key element for intrusion detection and should be contained the server logs?

A. Vulnerability scan that identifies susceptible services that are active on the server.

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B. Results of penetration testing through uncover problem probable weaknesses.

C. An entry for each application transaction with details of the organization.

D. Alerts to suspicious activities that require further investigation.

QUESTION 5

What is a key VDC and cloud planning consideration for IT governance?

A. Change management B. Regulations

C. Separation of duties D. Creating trust zones Correct Answer: C Section: (none) Explanation

QUESTION 6

A midsize company has deployed centralized storage and is currently planning to virtualize their servers. They have considered their application into Tiers, with Tier 1 application requiring the same service and performance levels of the current servers.

They have purchased new, high capacity servers for the virtualized environment and are planning to consolidate several physical servers into a single hypervisor. They are know determining the bandwidth requirements of the application in order to purchase the current number of FCME CNAs for each server.

The results of their analysis for Tier 1 application are as follows:

Average SAN Bandwidth: 3 Gb/s Average LAN Bandwidth: 2 Gb/s

What is the minimum number of CNAs they would need to install an each server to meet the bandwidth required for the Tier 1 application while providing CAN redundancy and high availability?

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A. 1 B. 2 C. 3 D. 4

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Correct Answer: B Section: (none) Explanation

QUESTION 7

What are three attributes of a cloud services design?

A. Web-based APIs, shared resources, minimal capital expenditures B. Static service, fixed priced access, improved economics

C. Accessed via a web portal, self-service, throttled access D. Dedicated resources, usage-based pricing, web-based APIs Correct Answer: A

QUESTION 8

What would you identify as a business application in applying IT as a Service to IT processions?

A. Defined workflow request processes B. Funded as a cost center

C. Virtual data center best practices D. SLA-driven management

Correct Answer: A Section: (none) Explanation

QUESTION 9

A development organization uses a PaaS service from a public cloud to develop and test an application. Once sending and verification are complete, the development team discovers that the cloud services uses proprietary software in the PaaS clustering mailing and deployment of the application within their production data center imposition without significant application records.

What this type of lock-in called?

A. Geographical lock-in B. Technology lock-in C. Cloud lock-in D. Vendor lock-in Correct Answer: D Section: (none) Explanation

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QUESTION 10

When applying compliance principles to your company's VDC and cloud architectures, how should you approach your information life cycle management strategy?

A. Data of reset

B. Archival and offsite storage C. Production and backup D. Inception to completion Correct Answer: B Section: (none) Explanation

QUESTION 11

A customer has implemented a Vblock solution in their primary data centre. They are using a single management tool set to configure and provisions the computer, network, and storage resources within the Vblock.

Which management tool are they using?

A. EMC ControlCenter B. EMC Unisphere

C. EMC United Infrastructure Manager D. VMware vCenter

Correct Answer: C Section: (none) Explanation

QUESTION 12

Which two capacity management objectives often conflict with each other?

A. Manageability and redundancy B. Availability and security C. Compliance and efficiency D. Efficiency and availability Correct Answer: D

QUESTION 13

A customer has asked you to develop a framework for assuming that the cloud Part of this will resume an assessment development.

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Where should you lock first for assessment criteria and technologies?

A. International standards B. Internal IT development C. Company metadata D. Industry best practices Correct Answer: D Section: (none) Explanation

QUESTION 14

What is its approach to addressing performance issues during the Virtualize phrase of the cloud maturity mode?

A. Selective B. Investigative C. Proactive D. Reactive Correct Answer: D Section: (none) Explanation

QUESTION 15

Your client is considering a virtualized data center (VDC) as an investment in process improvement.

A VDC can improve the delivery of which business process?

A. Auditing

B. Business continuity / disaster recovery C. Compliance

D. Capacity planning / management Correct Answer: D

QUESTION 16

A company has distributed infrastructure model where each remote office has its own site specific and application servers. These remote offices are all connected to a central data through lines that have a limited amount of bandwidth. The hardware is aging, and the lines will be ending soon.

The company's overall objective is to reduce the number of servers at each location to one physical server.

What is the business driver to Virtualize these systems?

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A. Broad network access B. Consolidation

C. Improved productivity D. Operational flexibility Correct Answer: B Section: (none) Explanation

QUESTION 17

The CIO has asked you to review the status of your company's cloud deployment and validates that the implementation has entered the IT-as-a-Service phase.

Which capability must be in place to transmitting to this phase?

A. Self-service

B. Policy-driven automation C. Chargeback

D. Zero-touch Infrastructure Correct Answer: B

QUESTION 18

What is a key benefit to consumers of cloud services?

A. Start with minimal capital expenditure B. Dedicated SAN access to applications C. Requires extensive IT skills

D. No operational expenditure Correct Answer: A

QUESTION 19

A large enterprise has virtualized heavily and is in the process of implementing configuration management in the virtual infrastructure. One thing that causes a large number of incidents is the movement of virtual guest between physical hosts while maintaining network configuration and security configuration consistency.

Which feature should they implement to ensure consistency of network configuration and security while maintaining virtual machine mobility?

A. Virtual switches B. VLAN tagging

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C. Distributed virtual switches D. Port grouping

QUESTION 20

What caching technique does VPLEX use to ensure that the new write operation take advantage of underlying disk array functionality?

A. Write-back B. Write-through C. Flush-on-idle D. Cache mirroring Correct Answer: D Section: (none) Explanation

QUESTION 21

Which consolidation approach involves consolidating by cross departmental needs or requirements?

A. Cloud B. Services C. VDC D. Application Correct Answer: A Section: (none) Explanation

QUESTION 22

What is the definition of "cloud services"?

A. Shared applications, storage, and solutions accessed by a multi-tenant user base.

B. Access consumed in real time via internet services.

C. Business applications and real storage provided by and access through public internet services.

D. Consumer and business products, services, and solution delivered and consumed in real time over the internet.

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QUESTION 23

In the CAP Theorem, what is Partitioning?

A. Ability to maintain ACID properties or transactions B. Ability to respond to all requests successfully C. Ability to maintain BASE properties or transactions D. Ability to handle lost network connectivity gracefully Correct Answer: D

QUESTION 24

A VDC environment is to be deployed with several virtual machines (VMs). The data stores for the VMs will be hosted on a storage array-based local replication that has been proposed as the BC/DR solution. Restore granularity is at the individual VM level.

What is the optimal data layout to meet this requirement?

A. Individual LUNs for each virtual disk

B. All virtual disks on the boot LUN of the physical disks C. Individual LUNS for each VMS virtual disk

D. Single large LUN for all VM virtual disks Correct Answer: C

QUESTION 25

A large banking customer has decided to move from a physical to virtual environment. They have been the long processes of gathering data from a storage perspective, what is something they could implement in the near term to help them transform to a virtual environment?

A. Private cloud federation

B. Cross-platform power and data center management C. Thin provisioning and data deduplication

D. Provide client-aware services Correct Answer: B

QUESTION 26

Which WAN connectivity solution provides the same security options utilized in a local area network (VLAN)?

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A. IP B. MPLS C. WDM D. Dark Fiber Correct Answer: D Section: (none) Explanation

QUESTION 27

An organization is establishing a second data center and needs to have high speed, low latency LAN and SAN connectivity between the two sites. They are only able to obtain two standards of dark fiber due to the cost.

Which technology will allow them to fulfill their requirements?

A. FCoE B. MPLS C. DWDM D. FCIP

QUESTION 28

Which design consideration helps reduce risk when data is co-mingled across different business units in a VDC or between companies or between clouds?

A. Having a formal disk assessment process

B. Regulations that specify data that can be co-mingled C. Creating trust zones

D. Creating unique login IDs Correct Answer: B

QUESTION 29

Why proper sizing of an in-bound network is based on storage virtualization configuration import?

A. To prevent single points of failure

B. To prevent impact to IP network performance C. To prevent impact to SAN performance D. To ensure adequate storage allocation Correct Answer: C

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QUESTION 30

Which component of a VDI implementation manages the assignments of server-hosted desktops to clients?

A. Security server B. Connector C. Resource broker D. Transfer server Correct Answer: C Section: (none) Explanation

QUESTION 31

Which is an example of horizontal scaling a virtual application?

A. Database virtual server with a standby replica on the same physical server B. Web server farm with four virtual servers and one physical server

C. Database virtual server with a standby replica on another physical server D. Web server farm with four virtual servers deployed across four physical servers Correct Answer: D

QUESTION 32

A customer has two data centers located within 3 km of each other. They use EMC arrays at one of the data center. They would like to have a consistent view of one or more LUNs.

Which product would you suggest to them?

A. Atoms B. Vblock C. VPLEX D. VNX

QUESTION 33

Why is the need for host-based agents a disadvantage in a block storage virtualization environment with on-of

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band virtualization appliance?

A. Capacity limitations B. Management complexity C. Performance concerns D. Functional limitations Correct Answer: C Section: (none) Explanation

QUESTION 34

Which is an example of a hypervisor that does binary translation of sensitive non-virtualized requests but allows for direct execution of user requests?

A. VMware

B. Citrix XenServer C. Microsoft Hyper V D. VMware workstation Correct Answer: C Section: (none) Explanation

QUESTION 35

A developer has asked you to recommend a Cloud Service Model to run a new home grown application currently in deployment. The application is based upon a programming language that your IT staff has no experience in supporting.

Based upon these requirements, which cloud model would you recommend?

A. WaaS B. SaaS C. PaaS D. IaaS

QUESTION 36

A customer has a mission-critical application running on a virtual server that must be continuously available.

Which service should they configure to provide automatic failover, no-disruptive failure recovery, and a secondary running copy of the virtual server?

A. High Availability

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B. Resource Pooling C. Fault Tolerance D. Live Migration Correct Answer: C Section: (none) Explanation

QUESTION 37

An administrator is configuring resources for a self service portal. They have just completed their storage infrastructures categories based on performance.

Which process did the administrator just complete?

A. Discovery B. Pooling C. Distribution D. GRADING Correct Answer: D Section: (none) Explanation

QUESTION 38

A hypervisor running virtual servers fails with an unrecoverable error and at virtual server are restarted on another hypervisor. When the application restarts, some data has been lost.

Which type of consistency does this situation represent?

A. Crash consistency B. Full consistency C. Eventual consistency D. Application consistency Correct Answer: C Section: (none) Explanation

QUESTION 39

To ensure cost and resource efficiency, your customer is concerned with the configuration management of their IT infrastructure.

Within a service management system, what would contain the most current information about each component of an IT infrastructure?

A. CMDB

B. Configuration CMDB

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C. Fed elated CMDB

D. Asset management system Correct Answer: A

QUESTION 40

What error accounts for 99% of the reasons why recovery and availability fail?

A. Failures in automation scripts B. Configuration drift

C. Failure to test for corrupted Backups D. Environmental issues

QUESTION 41

A customer wants to implement a service to provide their virtual server infrastructure the ability to dynamically migrate virtual machines from on physical host to another physical host.

Which server should they implement?

A. Distributed Switching B. Resource Pooling C. High Availability D. Live Migrate Correct Answer: D Section: (none) Explanation

QUESTION 42

A large enterprise has introduced virtualization into a data center. During live Mitigation, several virtual hosts have recognized lost cluster heartbeats and network performance degradation.

Which solution should be implemented to immediate the solution?

A. Implement load balance on the HBA to improve overall host performance

B. Implement isolated VLAs to separate management control traffic from production traffic C. Implement load balancing on the NICs to improve overall host performance

D. Implement a distributed virtual switch to separate the data plane from the control plane on the NIC Correct Answer: D

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QUESTION 43

What is a key business driver for automation in the virtualized data center?

A. Service-level agreements B. Service metric reporting C. Change management policy D. Technology integration Correct Answer: A Section: (none) Explanation

QUESTION 44

Your customer is considering upgrade their network to a converged network that would handle their network traffic, storage traffic, and voice traffic.

What are the two benefits when considering a converged network?

A. Infrastructure cost reduction and security increase B. Performance increase and management reduction C. Security and performance increase

D. Infrastructure and operational cost reduction Correct Answer: D

QUESTION 45

A customer has to improve a test/dev environment infrastructure as quickly as possible, not within weeks or months. They also have limited resources available.

Considering their timeline, what type of infrastructure would they most likely have to choose?

A. Cloud

B. International virtualized environment with shared resources C. Internal VDC with automation

D. VDG

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QUESTION 46

Which feature allows for the maximum utilization of the I/O and bandwidth available in the network infrastructure?

A. VLAN tagging B. VLAN grouping C. Port grouping D. Oversubscription Correct Answer: D Section: (none) Explanation

QUESTION 47

What are the two common factors that drive a company to institute a company-wide compliance program?

A. Execute mandate, private breaches B. Regulations, security breaches C. Security breaches, privacy breaches

D. Migrating data to Virtualize data center, security breaches Correct Answer: B

QUESTION 48

A small law firm that does not currently have any virtualization technologies implemented has currently merged with another firm of approximately the same size. They are planning to consolidate into a single location.

They have decided to virtualize their servers. They would like to consolidate storage but they are concerned about meeting performance of the different applications on a single storage array.

Which storage array feature should be considered to meet their performance requirements?

A. Virtual LUNs B. Virtual Pooling C. Virtual Provisioning D. Vertical tiering Correct Answer: D Section: (none) Explanation

QUESTION 49

Which storage requirement would be met with the implementation of traditional (thick) provisioning?

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A. High availability

B. Energy end capital savings C. Space efficiency

D. Microseconds of performance Correct Answer: D

QUESTION 50

Which contractual agreement represents the legal contract with a service provider?

A. Service level agreement B. Non-binding user contract C. Terms of service

D. End-user license agreement Correct Answer: A

QUESTION 51

An administrator is managing a virtualized environment that has limited available physical NICs on the hyper host. The hypervisor hosts physical switch ports are configured for VLAN tagging. A new application is being deployed that will need to be on a new subnet.

What should the administrator implement to provide this new subnet for the application servers in the least amount of time?

A. Add ports to an existing port group B. Add virtual switch to the hypervisor host C. Add a new port group with an individual VLAN D. Add network cards to the hypervisor host Correct Answer: B

QUESTION 52

A company is planning the backup strategy for their virtual machine environment. They are considering migrating to an image based backup model.

Where image-based backup would be processed in the environment?

A. On the virtual server B. On a separate host

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C. On the SAN

D. On the storage array Correct Answer: C Section: (none) Explanation

QUESTION 53

An organization with 25,000 employees has moved to a new building that contains a fully virtualized data center with a virtual desktop infrastructure (VDI) instituted for all employees. However, each morning between 9:00 am to 9:30, the help desk receives a large number of calls concerning slow performance and timeout issues.

The IT department that the storage array's Fibre Channel drives is the bottleneck. They propose sold purchasing solid state disks (SSDs) to store the entire VDI environment. Unfortunately, their proposed is rejected because of the cost of the drives.

Which array feature should the organization implement to reduce the quality of SSD that are required to service the high I/O bursts of their VCs environment?

A. Thin Pools B. Deduplication C. Cache Tiering D. Cache Partitioning Correct Answer: C Section: (none) Explanation

QUESTION 54

Consider the following statement

The active distribution of decision-making rights and accountability among different stakeholders in an

organization and the rules and procedures for making and monitoring those decisions to determine and achieve delivered behavior and results.

Which aspect of cloud computing is expressed by the statement?

A. Service level management B. Enterprise governance C. Standards compliance D. Risk assessment Correct Answer: B Section: (none) Explanation

QUESTION 55

Your client has a block-based storage virtualization environment. They want to avoid losing data in the event of

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double disk failure.

Which technology do you suggest they deploy?

A. RAID 5 B. Eraser coding C. Mirrored RAID D. Multipathing Correct Answer: B Section: (none) Explanation

QUESTION 56

Which is primary dimension to consider when performing a risk management?

A. Quality of exposures B. Owner of the asset C. Value of the asset D. Location of the asset Correct Answer: C Section: (none) Explanation

QUESTION 57

What would you describe is a key characteristic of cloud platform as a Service (PaaS)?

A. Direct control over the underlying infrastructure B. Cloud hosted integrated development environment C. Home-grown programming environment

D. Cloud hosted, in house built tools Correct Answer: B

QUESTION 58

What is a key attribute of cloud services?

A. Manual provisioning B. Full pre-allocation C. Self-service

D. Automatic content creation Correct Answer: C

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QUESTION 59

From a virtualization capacity perspective, what are the top issues?

A. Forecasting, allocating, timing

B. Fault tolerance, monitoring, automation C. Awareness, optimization, prediction D. Allocation, management, monitoring Correct Answer: C

QUESTION 60

Which services are typically offered by cloud service providers?

A. Bundled storage, applications, operating systems B. Operating environment, virtualization, applications C. Software, platform, infrastructure

D. Compute, storage, connectivity Correct Answer: C

QUESTION 61

Which is an example of vertically scaling a virtual application?

A. Cluster two database virtual servers on a single physical server B. Migrate a database virtual server to a higher-capacity physical server C. Migrate a database virtual server to a less-utilized physical server D. Cluster two database virtual servers across two physical servers Correct Answer: B

QUESTION 62

A company is designing a new database for employee data. The database will store employment age, medical history, education, job history, performance reports, salary, increases and bonuses, and location. The HR department wants to mine the information for patterns of different age groups, pay levels, locations, and so forth.

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The architect is concerned about some of this data being collected and stored in one central database and who has access to it.

Where should the architect look for definitions on what information is controlled and what technical protections need to be employed?

A. Scientific research papers B. Industry standards C. Best practices D. Regulations and laws Correct Answer: D Section: (none) Explanation

QUESTION 63

What is the difference between an FCoE frame and an iSCSI frame?

A. FCoE operates on 10 Gigabit Ethernet; iSCSI does not B. iSCSI uses TCP/IP; FCoE does not

C. FCoE uses TCP/ IP; iSCSI does not

D. iSCSI encapsulates a complete FC frame; FCoE does not Correct Answer: B

QUESTION 64

An organization is designing a virtual server environment. They have an application that requires a significant amount of communication with a database.

The application and database will be located on different physical servers and configured on the same VLAN.

For performance, both the application and database will have dedicated network adapters.

Which virtualization functionality is negatively impacted by bypassing the hypervisor when configuring the dedicated network adapters for the applications?

A. Data replication B. Converged networking C. Mobility

D. Shared storage Correct Answer: C Section: (none) Explanation

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QUESTION 65

How can a hypervisor virtual switch increase the efficiency of a physical network?

A. By consolidating ports into the physical network

B. By reducing the amount of data transmitted to the physical network C. Through port aggregation to isolate VMs to another VLAN

D. By increasing the bandwidth of the physical network Correct Answer: B

QUESTION 66

A company has just experienced an outage in their environment as a result of a configuration change that propagated across the entire environment.

What would you recommend to prevent similar outages in the future?

A. Standardize the environment on a single operating system to reduce risk and simplify changes B. Mandate that all configuration changes comply with FIPS Level 3

C. Encrypt all configuration management servers and configure ACLs to allow access to only a subset of administrators

D. Configure resources to a known state and use a CMDB to ensure that the initial state is maintained Correct Answer: D

QUESTION 67

Which consolidation approach involves consolidating at the technology layer?

A. Cloud B. Services C. Application D. VDC

QUESTION 68

A hypervisor running several virtual servers crashes, and all virtual servers are restarted on another hypervisor.

When the applications restart, they replay log files to bring data up to date.

Which type of consistency does this situation represent?

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A. Eventual consistency B. Offline consistency C. Crash consistency D. Application consistency Correct Answer: D Section: (none) Explanation

QUESTION 69

To address security concerns when configuring a server, why should you avoid the use of non- persistent disks?

A. Increasing the RAID level reduces the number of points that can be attacked B. Security limits vMotion flexibility

C. Disk segmentation reduces the risk of security attacks D. A system reboot can remove traces of attacks

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QUESTION 70

Governance, risk, compliance, and security are all related and yet they differ.

Which two attributes are governance attributes?

A. IT, business exposures

B. Access to information, enforcement C. Confidentiality, integrity

D. Organizational structures, processes Correct Answer: D

QUESTION 71

In the CAP Theorem, what is Consistency?

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A. Ability to maintain BASE properties of transactions B. Ability to handle lost network connectivity gracefully C. Ability to maintain ACID properties of transactions D. Ability to respond to all requests successfully Correct Answer: C

QUESTION 72

A customer wants to ensure that their critical application can fail over to another physical host within the cluster without disruption.

Which feature should be utilized?

A. Storage vMotion

B. Distributed Resource Scheduler C. Fault Tolerance

D. High Availability Correct Answer: C Section: (none) Explanation

QUESTION 73

An administrator has implemented a hypervisor cluster with high availability enabled. They are expecting that if any of the physical servers fail, the virtual servers will be transparently migrated to other hypervisors in the cluster.

When the first hypervisor failure occurs, all of the hosted virtual servers appear offline to users as they are moved to another host.

What feature should the administrator have implemented to achieve his goal?

A. Load Balancing B. Live Migration C. Fault Tolerance

D. Distributed Resource Scheduling Correct Answer: C

QUESTION 74

A company moved to a new building that contains a fully virtualized data center. They purchased a building 10 km away and decide to build a second data center at that location. The new data center will be identical to the

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first, and applications and services will be mobile between the locations.

Which WAN connectivity option would provide both the best performance for virtual server mobility across sites?

A. MPLS B. Dark Fiber C. IP

D. WDM

QUESTION 75

A small law firm that does not currently have any virtualization technologies implemented has recently merged with another firm of approximately the same size.

They are planning to consolidate into a single location. They have decided to virtualize their servers, and they would like to consolidate storage. The current storage utilization is below 60%.

The budget will not allow them to purchase an array that matches the capacity of the current storage. However, they cannot justify the application disruption associated with growing storage over time to meet forecasted capacity requirements.

Which array feature would meet their requirements?

A. Virtual Pooling B. Virtual Provisioning C. Vertical Tiering D. Virtual LUN Correct Answer: B Section: (none) Explanation

QUESTION 76

A customer is determining whether to divest resources into a third-party cloud solution. They are concerned about what will happen should they decide to migrate their data back in-house.

Which contractual agreement defines this scenario?

A. Service-level agreement B. End-user license agreement C. Non-binding user contract D. Termination agreement Correct Answer: D Section: (none) Explanation

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QUESTION 77

Why is it beneficial to define tier criteria during the data center inventory and data gathering process?

A. To define recovery time objectives B. To define service-level objectives C. To define service-level agreements D. To define recovery point objectives Correct Answer: B

QUESTION 78

From an IT business layer perspective, what do you gain by consolidating at the application layer?

A. Reduced transactional storage B. Reduced footprint

C. Inter-array tiering

D. Increased compute power Correct Answer: B

QUESTION 79

Why is it important to identify business objectives prior to planning and designing a virtual infrastructure?

A. IT objectives are the same as business objectives B. IT objectives drive business objectives

C. IT objectives are linked to business objectives

D. Business objectives are a higher priority than IT objectives Correct Answer: C

QUESTION 80

A customer is determining whether the risk involved in migrating in-house data to a third-party cloud provider is acceptable.

Which step should be performed after the initial evaluation of the asset?

A. Run a full risk assessment

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B. Leverage standards to mitigate risks C. Run a second asset evaluation D. Deploy the environment Correct Answer: B

QUESTION 81

Your customer is primarily concerned with asset discovery and a reconciled view of all infrastructure components and the dependencies between them.

Which type of architecture would you recommend?

A. Change management system B. CMDB

C. Asset management system D. Federated CMDB

QUESTION 82

What can the consumer manage and control when subscribing to cloud Software as a Service (SaaS)?

A. OS settings B. Network settings C. Application settings D. API module

QUESTION 83

Which two governing bodies focus on developing cloud standards?

A. ISO, CSA B. NIST, (ISC)2 C. CSA, ENISA D. NIST, ISO Correct Answer: C Section: (none) Explanation

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QUESTION 84

A company is planning an image-based backup solution for their virtual server environment, and would like to continue to use their existing backup software.

Which software feature is critical to reducing the amount of data that is backed up?

A. File-level snapshot B. Open file plug-in C. Deduplication D. Changed file tracking Correct Answer: C Section: (none) Explanation

QUESTION 85

Which properties define a cloud environment?

A. Self-service, dedicated leased services in-house

B. Dedicated, but privatized, virtualized data center technologies in-house C. Power, connectivity, physical security

D. Self-service, Internet served computing, shared resources, pay as you use Correct Answer: D

QUESTION 86

What cloud characteristic provides computing resources that facilitate multiple consumers using a multi-tenant model, with different physical and virtual components that are dynamically assigned and reassigned based on demand?

A. On-demand self-service B. Resource pooling C. Rapid elasticity D. Measured service Correct Answer: B Section: (none) Explanation

QUESTION 87

Questions such as "How would you classify the sensitivity of your data?" and "What is the value of this application data?" are examples of which kind of sample risk score questions?

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A. Management B. Business

C. Information security D. Disaster recovery Correct Answer: B Section: (none) Explanation

QUESTION 88

A customer has three VMware ESX hosts in a cluster. They need to configure the virtual guest servers to restart automatically on an alternate host if the original host becomes unavailable.

Which service should be configured on the cluster?

A. Resource Pooling B. Live Migration C. Load Balancing D. High Availability Correct Answer: D Section: (none) Explanation

QUESTION 89

In an attempt to save money, the IT department of a midsize company is identifying opportunities for consolidation.

What are three valid approaches they could take?

A. Cloud application services, VDC, VMware

B. Commoditized hardware and software, outsource backups, isolate client groups C. VDC, cloud, services

D. Services, servers, modular hardware Correct Answer: C

QUESTION 90

The corporate data center has role segregation between network, security, and OS/systems administrators.

The OS/system administrators also are responsible for the OSs running on hypervisors, and the hypervisors themselves. The company wants to keep the roles segregated.

Which virtualized switch should they use so that the network administrators can manage the switches without logging in to the virtualized environments?

A. Brocade ED-10000

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B. Third-party virtual switch C. VMware vDistributed switch D. Basic VMware vSwitch Correct Answer: B Section: (none) Explanation

QUESTION 91

Your customer is a law firm of about 500 people. They have decided to purchase a storage array. The IT staff wants to implement a converged network instead of the traditional LAN and SAN model.

What benefit of FCoE/converged networking can they present to the CTO to obtain approval for implementing this technology?

A. Increased bandwidth B. Improved fault tolerance C. Increased distance capabilities D. Reduced operational expenses Correct Answer: D

QUESTION 92

After virtualizing an x86 server workload, users report that a custom application is performing poorly. You investigate the issue and find that the resources on the host do not appear to be constrained. However, you discover that the application on the guest operating system has an abnormally high number of context switches.

What should you do to resolve the issue?

A. Deploy additional hosts B. Move to a Type 2 hypervisor C. Use software-assisted virtualization

D. Turn on hardware virtualization in the BIOS Correct Answer: D

QUESTION 93

Infinite scalability, no boundaries, operational efficiency, self-management, and self-healing are key infrastructure requirements of which type of storage?

A. Virtualized B. Enterprise C. Cloud

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D. Commodity Correct Answer: C Section: (none) Explanation

QUESTION 94

Which EMC product can automatically promote data into a caching tier of Enterprise Flash Drive (EFD) storage to enable rapid access of data that may see infrequent bursts of activity?

A. VPLEX B. Atmos C. VNX D. FMA

QUESTION 95

Which statement is true of Atmos?

A. REST is the only method for storing content B. File system access requires FMA

C. Provides universal access regardless of location D. Data is securely isolated via single tenancy Correct Answer: C

QUESTION 96

Which type of switch can provide management functions for virtual machine ports?

A. Distributed virtual switch B. Standard virtual switch C. Physical switch

D. Third-party virtual switch Correct Answer: D

QUESTION 97

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Which method of storage virtualization provides the added benefit of wide striping?

A. Virtual LUN Migration B. Virtual Provisioning

C. Server-based storage virtualization D. Storage tiering

QUESTION 98

Questions such as "Where is this application hosted?" and "How are support and escalation processes performed for this application?" are examples of which kind of sample score questions when considering utilizing a service provider?

A. Disaster recovery B. Information security C. Management D. Business Correct Answer: B Section: (none) Explanation

QUESTION 99

A large enterprise has virtualized heavily in their data center. All virtual machines in the enterprise are built from standardized baseline templates. Based on these image templates, they have set configuration best practices and implementation workflows.

Recently, the company has started to see performance issues on several production-critical virtual guests. In responding to the performance issues, the cause was found to be incorrectly configured vNIC parameters in the virtual guests.

Which service should be implemented to identify deviations in the deployed servers from the baseline templates, and to remediate any such deviations?

A. Change management reporting B. CMDB automation

C. Policy-driven configuration management D. Incident management runbook automation Correct Answer: C

QUESTION 100

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You are an EMC UIM administrator. You are in discussions with a business unit manager about how they want to create service offerings for their organization.

What might you recommend?

A. Configure zone sets B. Use a LAN or SAN boot

C. Grade the types of network access D. Do not grade the types of storage Correct Answer: D

QUESTION 101

An administrator is configuring resources for a self-service portal. They have just completed grouping their storage resources into three categories, based on the organization's corporate structure.

Which process did the administrator just complete?

A. Distribution B. Discovery C. Grading D. Pooling

QUESTION 102

A large enterprise is in the process of converting to a virtual data center as a first step toward cloud computing.

They want the ability to deploy, manage, and decommission infrastructure components in a timely manner to meet their business requirements, with minimal impact to their systems administration staff.

What should be implemented?

A. Centralized resource pooling and management B. Configuration management

C. Self-service request automation

D. Policy-driven configuration management Correct Answer: C

QUESTION 103

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An application development team of a stock trading firm requires a very complex testing environment that has to be re-deployed with each code revision. It usually takes a system administrator at least a day to rebuild the environment using imaging software.

How would virtualization benefit this firm?

A. Resource pooling B. Simplified provisioning C. Measured service D. On-demand self-service Correct Answer: B

QUESTION 104

A large company has multiple data centers with heterogeneous arrays of various sizes at each site. Some arrays are reaching maximum utilization, and other arrays are underutilized.

Which storage virtualization method would enable them to improve overall utilization across sites?

A. Flash drive cache tiering B. Horizontal storage tiering C. Vertical storage tiering D. Server-based storage tiering Correct Answer: B

QUESTION 105

Why is it possible for Object-based Storage Devices (OSD) to achieve massive scale without significant performance impact?

A. OSD uses solid state drives exclusively

B. OSD distributes data management across clustered nodes C. Data organization is hierarchical by Object ID (OID) D. Data organization is flat by Object ID (OID)

QUESTION 106

What is a benefit of archiving data to the cloud using Atmos and FMA?

A. Auto-deletes aging files

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B. Provides elastic object storage C. Improves search and index D. Accelerates file retrieval speed Correct Answer: B

QUESTION 107

Your client is considering server-based storage virtualization. You explain that it is easy to deploy.

What else should you tell them?

A. Disaster recovery tools are not available

B. Increased compute power and server utilization will be needed C. Complex management tools will be needed

D. Devices to be virtualized must come from the same array Correct Answer: B

QUESTION 108

Why is existing SAN performance a key consideration when implementing an in-band virtualization component for block storage virtualization?

A. Host connections fan in to virtualization components B. Storage connections fan in to virtualization components C. Virtual devices are cache-only devices

D. Metadata and control are in the data path Correct Answer: D

QUESTION 109

A company has implemented a VDI solution. A user logs in to their virtual desktop for the first time and customizes the environment before logging off for the day. When they return the next day, all of their customizations are gone.

Which type of virtual desktop has been implemented?

A. Remote B. Thin C. Stateless D. Stateful

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QUESTION 110

Applications of different criticality have been deployed on a collection of virtual servers. In an effort to save cost, a business continuity plan has been devised to provide half the number of physical servers to host the virtual machines at the disaster recovery site.

What is a possible outcome if a disaster were to occur at the primary site?

A. Applications cannot be resolved B. Application data is inaccessible C. Application data is lost

D. Application performance is degraded Correct Answer: D

QUESTION 111

What are two important Privacy by Design in Practice principles of an ILM strategy?

A. Visibility and transparency

B. Minimizing the data collected and role separation C. Create trust groups and purpose-built storage arrays D. Masking policies and data shredding

QUESTION 112

What is a key security-related action to perform when using templates to deploy virtual machines?

A. Ensure that the hardened virtual machine used for the template uses non-persistent disks

B. Ensure that the virtual machine operating system used for the template has no applications installed C. Ensure the hardened virtual machine used for the template is created with a known security baseline D. Ensure that the security services on the hardened virtual machine used for the template are turned off Correct Answer: C

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QUESTION 113

An IT organization has started the process of moving to a virtualized data center. They are trying to set expectations for management.

What would be a realistic, near-term network resource objective?

A. Consolidate the existing 1 GE and 10 GE networks, and implement traffic designs along with WAN redundancy

B. Unify compute and storage traffic designs, QoS, and rapid failover C. Deploy WAN technologies, rapid elasticity and resource pooling

D. Improve bandwidth, implement 10 GE, distribute virtual switching and failure planning Correct Answer: D

QUESTION 114

Why should storage technologies such as data deduplication and data compression be considered?

A. They simplify storage configuration B. They improve storage efficiency C. They increase storage allocation D. They improve storage security Correct Answer: B

QUESTION 115

What is IT's approach to addressing performance issues during the Operationalize phase of the Cloud Maturity Model?

A. Reactive B. Proactive C. Selective D. Investigative Correct Answer: C Section: (none) Explanation

QUESTION 116

Which product performs virtualized data caching across heterogeneous storage arrays?

A. VMAX B. VNX

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C. VPLEX D. Atmos

QUESTION 117 Refer to the exhibit.

A VDC architect has just purchased switches to be used as converged access layer switches. All Fibre Channel traffic operates at 8 Gbps and all ports operate at line-rate.

The design requires that all FC ports be configured as ISLs and be connected to the SAN core switches. An equal number of converged ports will be configured as standard Ethernet ports and connected to the aggregation layer switches.

What is the oversubscription ratio of the FC ports on this switch?

A. 3:1 B. 5:1 C. 6:1 D. 8:1

QUESTION 118

You need to determine the number of CNAs needed on a hypervisor. Bandwidth requirements for applications running on the hypervisor are:

- Average SAN Bandwidth: 3 Gb/s - Average LAN Bandwidth: 2 Gb/s

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What is the minimum number of dual-port CNAs you would need to install in the server to meet bandwidth requirements while providing CNA redundancy?

A. 1 B. 2 C. 3 D. 4

QUESTION 119

A company asks you to design a stretched cluster environment for their new hypervisor deployment. The company's two data centers are located 150 km apart, and have Fibre Channel connected hosts and storage at both locations.

Which distance networking technology should you recommend?

A. DWDM B. CWDM C. Dark Fiber D. MPLS

QUESTION 120

An application is designed to use a middleware layer to communicate with, and share the data and resources of, other applications in the organization.

What is this an example of?

A. SOA B. EAI

C. EAI via Mesh D. ESB

QUESTION 121

Which aspect of data security does SSL address?

A. Secure data transport to and from the application over the network

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B. Secure block data transfer between the host and storage array C. Encryption of data at rest on a storage device

D. Centralized key management for data encryption Correct Answer: A

QUESTION 122

What capabilities are needed to transform a VDC into IaaS?

A. Self-service portal, service catalog, metering processes B. Self-service portal, pay-as-you-go

C. Metering processes, multi-tenancy, termination agreements D. Pay-as-you-go, service catalog

QUESTION 123

Which feature of server virtualization allows for the online movement of virtual server guests between separate physical hosts while providing zero downtime?

A. Load Balancing B. Online Migration C. Distributed Switching D. Resource Pooling Correct Answer: B Section: (none) Explanation

QUESTION 124

Which technology can significantly reduce the network bandwidth required for backup?

A. Source-based deduplication B. Target-based deduplication C. Converged network

D. VTLs with hardware-assisted compression Correct Answer: A

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QUESTION 125

You have been asked to diagnose a problem in your VDC. excessive latency and application time- outs on one hypervisor. The problem is known to be network related.

You examine the interface counters on the switch and find no abnormal activity. A packet analyzer shows a significant number of CRC errors being generated by one of the NICs.

Which type of switch architecture is being used in this environment?

A. Cut Through B. Store and Forward C. Switch on a Chip D. Distributed Forwarding Correct Answer: A Section: (none) Explanation

QUESTION 126

A company has two data centers located within 3 km of each other. They use EMC arrays at one of the data centers; they use non-EMC storage at the other data center. They would like to have a consistent view of one or more LUNs.

Which product should you suggest they deploy?

A. VPLEX B. Atmos C. Vblock D. VNX

QUESTION 127

A company has finished the design for their VDC. They realize that they should also include a few design considerations to prepare them for cloud.

What is a key organizational reason for the company to build a cloud-based service?

A. Service levels are guaranteed to improve B. Lines of business can more easily reorganize C. Lines of business obtain what they want from IT D. Lines of business can self provision resources Correct Answer: D

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QUESTION 128

You are designing a new VDC and are planning to use iSCSI for storage connectivity from the hypervisors. The network infrastructure is 10 Gigabit Ethernet, and the storage system can support multiple NICs.

Your networking design on the storage system must provide the highest level of performance, security, and fault tolerance.

What should you recommend?

A. Bond the NICs together and connect them to different aggregation layer switches.

Configure a separate VLAN for the iSCSI traffic.

B. Leave the NICs independent and connect them to different aggregation layer switches.

Configure a separate VLAN for iSCSI traffic on each NIC.

C. Bond the NICs together and connect them to different access layer switches.

D. Leave the NICs independent and connect them to different access layer switches.

QUESTION 129

An architect is designing a VDC network environment, and is concerned about the overhead introduced by the Spanning Tree Protocol. The environment will have approximately 2,500 VLANs configured.

Which Spanning Tree Protocol should the architect specify for this implementation?

A. MSTP B. RSTP C. PVST D. STP

QUESTION 130

When selecting a hypervisor, which condition would favor choosing KVM?

A. All virtualized applications are layered on Linux and OpenBSD.

B. Every guest VM is required to run an unmodified operating system.

C. All virtualized applications are layered on Microsoft Windows operating systems.

D. A full virtualization approach is desirable.

Correct Answer: A

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QUESTION 131

A company is planning the backup strategy for their virtual machine environment. They are considering migrating to an image-based backup model.

Where would image-based backups be processed in this environment?

A. On a separate physical or virtual server B. On the tape library

C. On the storage array D. On the SAN switch Correct Answer: A Section: (none) Explanation

QUESTION 132

From which resource are virtually provisioned LUNs allocated?

A. Virtual pool B. Physical pool C. Thin pool D. Unallocated pool Correct Answer: C Section: (none) Explanation

QUESTION 133

A small law firm that does not currently have any virtualization technologies implemented has recently merged with another firm of approximately the same size. They are planning to consolidate into a single location. They have decided to virtualize their servers and they would like to consolidate storage. It has been determined that 80% of the file server data has not been accessed in over 90 days.

What can they implement to achieve higher storage efficiency?

A. A file archiving plan, to leverage inter-array storage tiering

B. Quotas, to limit the amount of capacity users or groups can consume

C. File extension filters, to prevent non-business related data from being stored in home directories D. Vertical storage tiering, to ensure data is placed on the appropriate drive technology

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QUESTION 134

You are designing a new VDC and are planning to use iSCSI for storage connectivity from the hypervisors. The network infrastructure is 10 Gigabit Ethernet, and the hypervisor hardware can support only two NICs. Your networking design on the hypervisor must provide the highest level of performance, security, and fault tolerance.

What should you recommend?

A. Bond the NICs together and connect them to different access layer switches.

Use the same VLAN for SCSI traffic as for management traffic.

B. Leave the NICs independent and connect them to different access layer switches.

C. Bond the NICs together and connect them to different access layer switches.

D. Leave the NICs independent and connect them to different access layer switches.

Use the same VLAN for SCSI traffic as for management traffic.

QUESTION 135

What are the components of a GRC profile?

A. Risk level, assessment date, regulations, security requirements

B. Healthcare and financial audits, security requirements, terms of service, service termination agreement C. Availability reporting, risk level, regulations, security requirements

D. Risk level, security requirements, terms of service, service termination agreement Correct Answer: A

QUESTION 136

An application processes test results from a manufacturing facility, then generates and archives quality reports.

The application has been in production for five years.

The application was developed by an outsourced company that is no longer in business. The source code is not available. It can run on any current Microsoft Windows Server operating system.

What is this an example of?

A. Vendor lock-in B. A legacy application C. An enterprise application D. Service-oriented architecture

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QUESTION 137

An organization supporting 10,000 desktop PCs is considering implementing VDI. What is a benefit of moving forward with a VDI plan?

A. Reduced impact on network infrastructure B. Control and containment of IP

C. No change in desktop management methods and tools D. Immediate cost savings

QUESTION 138

Which aspect of data security does TLS address?

A. Secure data transport to and from the application over the network B. Secure block data transfer between the host and storage array C. Encryption of data at rest on a storage device

D. Centralized key management for data encryption Correct Answer: A

QUESTION 139

Which solution should be the primary choice for protection against accidental data deletion?

A. Backup

B. Local replication C. Remote replication

D. Fault-tolerant cluster with hot standby VM Correct Answer: A

QUESTION 140

Which solution would address your requirement to encrypt data that will be stored in several SAN- attached storage systems, including both disk arrays and tape libraries?

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A. Cisco SME B. VMAX D@RE

C. PowerPath/VE with RSA Encryption D. EMC VPLEX

QUESTION 141

Which block-storage protocol should be implemented for high performance and combined management models?

A. FCoE

B. Enhanced iSCSI C. iSCSI

D. iFCP

QUESTION 142

You are designing a VDC that uses converged networking to support both LAN and SAN traffic. FCoE is used exclusively for storage access. The access and aggregation layer switches that have been chosen support both 10 and 40 Gigabit Ethernet and Data Center Bridging.

You have determined that the traffic between the access layer and aggregation layer switches is:

- Average SAN (FCoE) 60 Gb/s - Average LAN (Ethernet) 100 Gb/s - Burst SAN (FCoE) 80 Gb/s - Burst LAN (Ethernet) 130 GB/s

Performance cannot be degraded due to a failure of a single switch.

Which port configuration would support the average traffic between the access and aggregation layer switches?

A. Four 40 Gb/s ports and eight 10 Gb/s ports B. Four 40 Gb/s ports

C. Three 40 Gb/s ports and four 10 Gb/s ports D. Three 40 Gb/s ports and six 10 Gb/s ports Correct Answer: D

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QUESTION 143

What is the primary benefit of Virtual Storage Integrator (VSI)?

A. It enables a server administrator to provision storage to a hypervisor.

B. It enables a storage administrator to create storage pools on the array.

C. It enables a network administrator to manage VSANs and VLANs with a common interface.

D. It eliminates the need for array-based thin pools.

QUESTION 144

Which type of application is a poor candidate for migration to a VDC?

A. One that uses a specific BIOS

B. One that uses an open source database C. One that uses an n-tier architecture

D. One that has horizontal or web-scale characteristics Correct Answer: A

QUESTION 145

A VDC administrator wants to implement a service to non-disruptively relocate virtual machines from one physical host to another physical host.

Which service should they implement?

A. Distributed Switching B. High Availability C. Online Migration D. Resource Pooling Correct Answer: C Section: (none) Explanation

QUESTION 146

An organization supporting 10,000 desktop PCs is considering implementing VDI. What is a benefit of moving forward with a VDI plan?