Wireless Home Networking Fundamentals
This course is designed to provide a comprehensive understanding of wireless home networkfundamentals. Students will gain an understanding of: WiFi standards, wireless home network devices, planning & implementation, security, RF basics, antenna theory, wireless troubleshooting, routing & switching and home environmental monitoring.
Prerequisite:
Home Networking Fundamentals
Target Audience:
• Field technicians, NOC personnel and managers thereof
Requirements for Successful Course Completion:
• Module quizzes 70% or higher • Course final test 70% or higher
You may take the course final test up to 3 times. Format and Schedule:
The course is delivered online via the SCTE virtual classroom over 16 weeks or 4 months, during which participants view web based course materials and complete assessments (quizzes) at a time that is convenient for them. Participants can contact the instructor when they have questions.
Participants spend approximately 2 - 4 hours per week, on average, completing the various course activities in order to maximize the learning benefits. 100% of the schedule is determined by the participant (viewing online materials and completing quizzes).
System Requirements: A high speed Internet connection, Internet browser (e.g.: Google CHROME) with flash or HTML5. For tablet access, HTML5 can be used to gain access to online content.
Upon Successful Course Completion Participants will Receive:
• Course Completion Certificate
Course Modules:
Module 01: Network Applications Module 02: Troubleshooting Tools
Module 03: IPv4 and IPv6 Troubleshooting Commands Module 04: Routing and Switching in the Network Module 05: Planning and Implementing a Basic Network Module 06: Routing and Switching Troubleshooting Scenarios Module 07: Environmental Monitoring
Module 08: Customer Premises Wireless Networks Module 09: IEEE 802 Wi-Fi Standards
Module 10: Radio Frequency Fundamentals Module 11: Wireless Network Antenna Theory Module 12: Wireless LAN Operation
Module 13: Wireless Network Security Measures
Module 14: Wireless Network Tunnels and Remote Access Module 15: Causes of Wi-Fi Failures
Module 16: Wi-Fi Site Survey
Module 17: Troubleshooting and Maintaining Wireless Networks Module 18: Additional Home Networking Technologies Available Module 19: Home Networking Management Mechanisms
Course Objectives:
Module 01: Network Applications
• Identify the purpose and features of various network applications, such as a firewall for content filtering and VPN concentrators
• Introduction of the concept of DMZs and intrusion protection & detection systems
Module 02: Troubleshooting Tools
• QoS mechanisms: o Admission Control o Classification o Scheduling o Provisioning • Load balancing
o Workload is distributed over several servers or routers improving redundancy, performance
• Traffic shaping
o Monitoring to determine where bandwidth usage is high
o Shaping of the bandwidth usage for improving network performance
Module 03: IPv4 and IPv6 Troubleshooting Commands
• Introduction to IPv4 and IPv6 commands.
• Describe various methods used to troubleshoot IPv4. • Describe various methods used to troubleshoot IPv6
Module 04: Routing and Switching in the Network
• Introduction to routing and switching: o Static vs. dynamic routing
o AD metrics for the routing decision process
• Describe the purpose and properties of routing and switching: o Link-State protocols
o BGP for public domain • VLANs and STP
Module 05: Planning and Implementing a Basic Network
• Explain the planning and implementation requirements of basic networks: o Requirements o Network Design o Structured Cabling o Required devices o Environment limitations o Compatibility Issues o Security
Module 06: Routing and Switching Troubleshooting Scenarios
• Explain common routing and switching troubleshooting scenarios: o IP configuration
o VLANs
o Power systems
• Use of appropriate hardware tools to troubleshoot connectivity issues: o Protocol analyzer
o OTDR
o VOM/DMM
o Wireless detectors
Module 07: Environmental Monitoring
• Define environmental monitoring as it relates to the home network
• Describe the tools used to monitor the environment within the home network • Sleep mode for STBs?
Module 08: Customer Premises Wireless Networks
• Recognize the different types of wireless networks available for the customer premises: o ISM bands
o GSM o WiMax o LTE o Blue Tooth
o DOCSIS compatible wireless plant extension (WPE) o WISP
Module 09: IEEE 802 Wi-Fi Standards
• State the IEEE Wi-Fi standards:
o 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac & 802.11ad • Wi-Fi physical and media access control data link layers
o WiFi Ethernet frame o RTS, CTS, data and ACK o IFS
Module 10: Radio Frequency Fundamentals
• Distinguish between different types of signal propagation losses
• Explain the cables and connectors used to interconnect RF equipment to a network o BNC, SMA, SMB, “N” types, TNC and others
• Describe various modulation and coding techniques
o DSSS, FHSS and OFDM
o QAM, QPSK and BPSK
Module 11: Wireless Network Antenna Theory
• Recognize the different types of wireless networks available for the customer premises • Understand Radio Frequency propagation fundamentals for wireless networks
• Explain the theory, radiation patterns and types of antennas for wireless networks
Module 12: Wireless LAN Operation
• Understand how the wireless LAN operates • Understand WLAN infrastructure devices • Understand WLAN client devices
• Distinguish the function of the data link and physical layers of Wi-Fi
• Recognize the difference between the operational service sets and components - Bridge, AP, WGB and client adapters
• Services sets – Ad-hoc, BSS, ESS and BSA • WiFi – Security WPS and Authentication
Module 13: Wireless Network Security Measures
• Wi-Fi encryption standards o Open, WEP and WPS
o WPA/WPA2
• Wi-Fi authentication standards o AAA and PKI
o CHAP and 802.1X
• Common security threats to a Wi-Fi network o WEP/WPA cracking
o Evil Twin, DoS, and Man-in-the Middle
Module 14: Wireless Network Tunnels and Remote Access
• Various types of tunnels and remote access technologies used in wireless networks:
o Secure Sockets Layer (SSL) VPN, Transport Layer Security (TLS) Layer 2 Tunneling Protocol (L2TP), Point-to-Point Tunneling Protocol (PPTP), Internet Protocol Security (IPSec) - Internet Security Association and Key Management Protocol (ISAKMP o Remote Access Service (RAS), Point-to-Point Protocol (PPP), Point-to-Point Protocol
over Ethernet (PPPoE), Remote Desktop Protocol (RDP) Independent Computing Architecture (ICA) and Secure Shell (SSH)
Module 15: Causes of Wi-Fi Failures
• The areas that cause Wi-Fi to fail:
o Amount of users in a coverage area o Security mismatches
Module 16: Wi-Fi Site Survey
• Gathering business requirements – ahead of time
• Interviewing managers and users – whether the WLAN will be a new install or an upgrade, what are client requirements?
• Documenting existing network characteristics – identifying the wired and nearby wireless networks
• Identifying infrastructure connectivity, such as broadband, and power requirements – PoE or not?
• Antenna use considerations – is aesthetics of importance?
Module 17: Troubleshooting and Maintaining Wireless Networks
• Common problems associated with wireless networks and their symptoms: o Decreased throughput
o Intermittent or no connectivity o Weak signal strength
o Device upgrades
• Identify procedures to optimize wireless networks in specific situations o Infrastructure hardware selection and placement
o Identifying, locating, and removing sources of interference o Analyzing infrastructure capacity and utilization
o Multipath and hidden nodes
Module 18: Additional Home Networking Technologies Available
• Define the mechanisms available for managing the home network: o Cabling using coax or twisted pair
o Services such as; Universal Plug and Plug, Digital Life Network Alliance and HomePNA
Module 19: Home Networking Management Mechanisms
• Define the mechanisms available for managing the home network: o TR-069
Use is rapidly growing!
o SNMP
Extensive MIBs but severe scalability limitations o IPDR
Highly efficient bulk data collection, scaling to support millions of devices o NetFlow