MITRC REFRESHER COURSE ANSWER KEY
MITRC REFRESHER COURSE ANSWER KEY
Latest Technologies
Latest Technologies
1.
1. The Bluetooth technology was named after the The Bluetooth technology was named after the 1010thth
century Danish King who unified Denmark. What is his first century Danish King who unified Denmark. What is his first name? name? a a.. DDeennnniiss b b.. HHaarroolldd c c.. MMiicchhaaeell d d.. GGeeoorrggee 2.
2. BluBluetoetooth woth workorks in ths in the rane range of 2ge of 2.4 GH.4 GHz frez frequequency bncy bandand commonly called the ISM band. ISM means
commonly called the ISM band. ISM means a.
a. InInfoformrmatatioion Sysn Systetems Mams Managnagemementent b.
b. InInfoformrmatatioion Sn Statandndarard Md Meteter er c.
c. InIndusdustrtriaial Scl Scieientintifific Medc Medicicalal d.
d. InInduduststririal Sal Statandndarard Med Medidicacall 3.
3. BluetBluetooth ooth is a is a wirelwireless ess proxiproximity mity commcommunicaunication tion stanstandarddard that has been under development for a few years, which that has been under development for a few years, which promises to connect the electronic devices of all
promises to connect the electronic devices of all horizons,horizons, without wires, without infrared, only by
without wires, without infrared, only by a
a.. AAuuddiio fo frreeqquueenncciieess b
b.. RRaaddiio o ffrreeqquueenncciieess c
c.. LLiigghht t ffrreeqquueenncciieess d
d.. MMiiccrroowwaavve e ffrreeqquueenncciieess 4.
4. The prThe protocotocol usol used by ed by BluetBluetooth ooth for for carrycarrying ding data oata over lver lowow power radio transmission.
power radio transmission. a a.. TTCCPP//IIPP b b.. WWAAPP c c.. PPIIPP d. d.PPPPPP 5.
5. The The followfollowing ing are are characharactercteristicistics s of of BluetBluetooth ooth excepexceptt a a.. SSmmaallll b b.. LLoow w ppoowweer r c c.. WWiirreelleessss d d.. LLoonng g rraannggee 6.
6. The The ranrange cge coveovered red by Bby Blueluetootooth tth techechnolnologyogy a a.. 110 0 mm b b.. 110 0 mmii c c.. 110 0 kkmm d d.. 110 0 iinn 7.
7. One oOne of thf the fole followinlowing stg statemeatements ants about bout BluetBluetooth ooth is fais false:lse: a
a.. BBlluueettooootth h ddooeessnn’’t t rreeqquuiirre e aann LOS connection in order to
LOS connection in order to communicatecommunicate b.
b. BluBluetoetooth ioth is dess designigned ted to opeo operatrate in a ne in a noisoisy rady radioio frequency environment
frequency environment c
c.. BBlluueettooootth h iis s a a gglloobbaal l dde e ffaaccttoo standard for wireless connectivity.
standard for wireless connectivity. d
d.. BBlluueettooootth h ddooeessnn’’t t uussee frequency hopping
frequency hopping 8.
8. A BluA Bluetoetooth noth netwetwork work with oith one mane mastester and or and one or mne or moreore slaves.
slaves. a
a.. PPooiinnt t tto o ppooiinntt b
b.. PPooiinnt t tto o mmuullttiippooiinntt c
c.. PPiiccoonneett d
d.. SSccaatttteerrnneett 9.
9. The The maxmaximuimum num numbember of r of devdeviceices in a s in a picpiconeonet.t. a a.. 1122 b. b. 77 c. c. 88 d d.. 1100 10.
10. When twWhen two piconeo piconets are sts are so close, o close, they hathey have overve overlappilappingng coverage areas. This scenario is called
coverage areas. This scenario is called a
a.. IInntteerrffeerreennccee b
b.. CCrroossssttaallkk c
c.. DDiissttoorrttiioonn d
d.. SSccaatttteerrnneett 11.
11. A new non-vA new non-voice valoice value added seue added servicrvice that allowe that allows informs informationation to be sent and received across a mobile telephone network. to be sent and received across a mobile telephone network. It supplements today’s circuit switched data and short It supplements today’s circuit switched data and short message service. message service. a a.. GGPPSS b b.. GGPPRRSS c c.. WWAAPP d d.. FFTTPP 12.
12. The follThe following aowing are key usre key user feater features of Gures of GPRS exPRS exceptcept a
a.. SSppeeeedd b
b.. IImmmmeeddiiaaccyy c
c.. NNo o ssttoorre e aannd d ffoorrwwaarrdd d
d.. SSeerrvviicce e aacccceessss 13
13.. GPGPRS RS memeananss a
a.. GGeenneerraal l PPaacckkeet t RRaaddiio o SSyysstteemm
b
b.. GGlloobbaal l PPaacckkeet t RRaaddiio o SSeerrvviiccee c
c.. GGeenneerraal l PPaacckkeet t RRaaddiio o SSeerrvviiccee d
d.. GGlloobbaal l PPoossiittiioonniinng g RRaaddiio o SSyysstteemm 14.
14. One of the following One of the following GPRS statementsGPRS statements is falseis false.. a.
a. GPRS uses, store and forwardGPRS uses, store and forward b.
b. GPRGPRS facS faciliilitattates inses instantant cont connecnectiotions whns whereerebyby information can be sent and received
information can be sent and received immediately asimmediately as the need arises.
the need arises. c
c.. GGPPRRS S ffuulllly y eennaabbllees s mmoobbiillee internet functionally
internet functionally d
d.. GGPPRRS S hhaas s lliimmiitteed d cceelll l ccaappaacciittyy for all users.
for all users. 15.
15. The foThe followinllowing are apg are applicplications ations of GPRof GPRS exceS exceptpt a
a.. CChhaatt b
b.. TTeexxttuuaal l aannd d vviissuuaal l iinnffoorrmmaattiioonn c
c.. SSttiilll l aannd d mmoovviinng g iimmaaggeess d
d.. BBIISSDDNN 16.
16. 10Bas10Base2 and 10e2 and 10BaseBase5 use BNC “5 use BNC “T” connT” connectorectors as meds as mediaia attachment units. BNC means
attachment units. BNC means a
a.. BBaayyoonneet t NNeeiilll l CCoonncceellmmaan n ttyyppee b
b.. BBlloonneet t ccoonnnneeccttoor r c
c.. BBIIOOS S NNeettwwoorrk k CCoonnnneeccttoor r d.
d. BiBias Nas Netetwowork Crk Cononnenectctor or 17.
17. An appliAn applicatiocation environ environment anment and set o commnd set o communicaunicationtion protocols for wireless devices designed to enable protocols for wireless devices designed to enable
manufacturer, vendor and technology independent access manufacturer, vendor and technology independent access toto the internet and advanced telephony services.
the internet and advanced telephony services. a a.. TTCCPP//IIPP b b.. WWAAPP c c.. PPIIPP d d.. PPPPPP 18.
18. An inteAn intermedirmediary betary between tween the interhe internet and tnet and the mobihe mobilele network. It converts WAP request into a W
network. It converts WAP request into a W eb request wheneb request when we send information from a mobile phone to the internet and we send information from a mobile phone to the internet and vice versa.
vice versa. a
a.. WWAAP P ggaatteewwaayy b
b.. W AW AP P iinntteerrffaaccee c
c.. WWTTPP d
d.. HHTTTTP P iinntteerrffaaccee 19.
19. The follThe following are liowing are limitatmitations of moions of mobile phonbile phones for intes for interneternet access except
access except a
a.. NNaarrrroowwbbaannd d aacccceessss b
b.. SSmmaalll l ddiissppllaayy c
c.. LLiimmiitteed d mmeemmoorryy d.
d. NeNetwtworork sk statandndarard dd depependendenentt 20.
20. The WAP gatThe WAP gateway treway transporansport layer tht layer that sends aat sends and recend receivesives messages via any available bearer network
messages via any available bearer network a a.. WWTTLLSS b b.. WWDDPP c c.. WWTTPP d d.. WWSSPP 21.
21. A new techA new technolognology which offy which offers boters both internh internet acceet access andss and interactive television programming.
interactive television programming. a
a.. IInntteerraaccttiivve Te TVV b b.. WWeebbTTVV c c.. SSaatteelllliitte e TTVV d d.. BBootth h a a aannd d bb 22.
22. A packeA packet switct switched data nethed data network prwork protocotocol which deol which defines anfines an international recommendation for the exchange of data as international recommendation for the exchange of data as well as control information between a user device and a well as control information between a user device and a network node. network node. a a.. XX..2211 b b.. XX..2244 c c.. XX..2255 d d.. XX..22 23.
23. Used tUsed to creato create pages te pages that cahat can be delivn be delivered usered using WAPing WAP a a.. WWAAEE b b.. WWSSLL c c.. WWMMLL d d.. WWTTLLSS 24.
24. An X.2An X.25 netw5 network layeork layer protor protocol whcol which manich manages paages packetcket exchange between DTE devices across virtual circuits. exchange between DTE devices across virtual circuits.
a a.. LLAAPPBB b b.. LLAAPP c c.. LLAAPPDD d d.. PPLLPP 25.
25. One of thOne of the followe following is not ing is not a distina distinct moct mode operade operated by tted by thehe PLP (Packet Layer Protocol).
PLP (Packet Layer Protocol). 1
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a. Call set-up b. Data transfer c. Idle d. Checksum 26. LABP in X.25 meansa. Link Access Procedure Balanced b. Link Access Procedure B channel c. Link Access Protocol Balanced d. Link Access Protocol B- channel
27. Refers to communication services such as voice, facsimile or voice messaging applications transmitted via the internet a. VOIP
b. TCP/IP c. PPP d. SLIP
28. The following are methods of making calls via VOIP except a. Directory services
b . Point to po int c. Gateway d. IP telephony
29. A flexible data communications system implemented as an alternative to r as an extension to a wired LAN. It uses RF technology to transmit and receive data over the air, minimizing the need for wired connection.
a. WAP
b. Wireless LAN
c. Satellite Internet Access d. Direc PC
30. The following are Wireless LAN technologies except a. Narrowband
b. Spread spectrum c. Infrared
d. Wideband
31. One of the following is not a Wireless LAN Configuration a. Peer to peer
b. Client and access point c. Use of an extension point d. Bus
32. In a typical wireless L AN configuration, it connects to the wired network from a fixed l ocation using standard cabling. At a minimum, it receives buffers and transmits data
between the wireless LAN and the wired network infrastructure.
a. PCI card b. NIC
c. Access point d. Extension point
33. The following are advantages of Wireless LAN except a. Mobility
b. Flexibility c. Scalability d. Interoperability
34. A high performance, cell oriented switching and multiplexing technology that utilizes fixed length packets to carry d ifferent types of traffic.
a. X.25
b. Frame Relay c. ATM
d. BISDN
35. An ATM cell has _____ bytes. a. 48
b. 53 c. 128 d. 133
36. The basic unit in ATM which carries a single stream of cells in order from user to user.
a. PVC b. CIR
c. Virtual Path d. Virtual Channel
37. A public digital telecommunication standard that is designed to offer high end multimedia, television, CD quality music, data networking and other services to b usiness and home users.
a. BISDN b. ATM
c. ISDN d. ADSL
38. The ATM layer which defines the cell format, how cells are transported and how congestion is handled, virtual circuit creation and termination.
a. Physical b. Network c. Adaptation d. Application
39. The ATM interface between ATM connection points of the different carrier networks.
UNI NNI ICI DXI
40. A service independent telecommunications network wherein intelligence is taken out of the switch and placed in computer nodes that are distributed throughout the network.
a. IN b. CCS7 c. BISDN d. ATM
41. The following are benefits from IN except a. Introduce new service rapidly b. Establish vendor independence c. Provide service customization d. Create open interface
42. A method of transmitting, sending and delivering voice over the Internet with a suitable quality of service.
a. VOIP b. Web TV c. Wireless LAN d. BISDN
43. The following are VOIP methods except a. Point to point
b. Directory c. Gateway d. Router
44. A secure, private communications tunnel between 2 or more devices across a public network, like the Internet
a. Wireless LAN b. ISDN
c. VPN d. VOIP
45. A user-to-LAN connection used by a company that has employees who need to connect to the private network from various remote locations.
a. Remote Access VPN b. VPDN
c. Site to site VPN d. Both a and b
46. The bluetooth specification was first developed by Ericsson and was later formalized by the Bluetooth SIG. SIG means
a. Special Interest Group b. Service Investment Group c. Service Independent Group d. Server Investigation Group
47. Bluetooth devices with maximum output power of 100 mw are classified as Class
a. 1 b. 2 c. 3 d. 4
48. The TIA specification which is the basis of TDMA PCS air interface technology
a. IS-136 b. IEEE 802.15 c. IEEE 802.11 d. IS-54
49. Provides high speed internet access over existing copper telephone lines a. ISDN b. BISDN c. DSL d. HFC 2
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50. An emissive flat panel display where light is created by phosphors excited by a plasma discharge between two flat panels of glass.
a. LCD
b. Plasma Display c. CRT
d. HDTV
51. A generic term for a device that is similar to a VCR but records TV data in digital format
a. VTR b. DAB c. DVR d. CDR
52. A nickname given to a family of international standards used for coding audio visual information in a digital compressed format.
a. JPEG b. MPEG c. DCT d. WMV
53. The founder of the MPEG group a. Chiariglione b. Gozon c. Blatand d. Roentgen
54. Translates the pixel integer values into an 8-bit unsigned information that is used for further processing of the picture data.
a. Quantizer b. DCT c. DVR d. LD
55. Compression standard used by VCD to store the video and audio
a. MPEG1 b. MPEG2 c. MPEG3 d. MPEG4
56. Compression standard used by DVD to store the video and audio
a. MPEG1 b. MPEG2 c. MPEG3 d. MPEG4
57. The following are DVD formats except a. DVD-5
b. DVD-8 c. DVD-9 d. DVD-10 58. The aspect ratio of HDTV
a. 16:9 b. 1.78:1 c. 4:3
d. Both a and b
59. Compression and encoding scheme used by HDTV. a. MPEG1
b. MPEG2 c. MPEG3 d. MPEG4
60. Is designed for compressing full-color or gray scale images of natural, real world scenes using 20:1 compression, 24 bits/pixels
a. JPEG b. MPEG c. BMP d. GIF
61. The other image format widely used on the net which can only store 8 bits / pixel.
a. JPEG b. MPEG c. BMP d. GIF
62. MPEG standard for multimedia applications. a. MPEG1
b. MPEG2 c. MPEG4
d. MPEG7
63. A content representation standard for information search. a. MPEG1
b. MPEG2 c. MPEG4 d. MPEG7
64. The first optical disc storage media Laser Disc
CD VCD DVD
65. Bluetooth radio modules use _____ for modulation a. GMSK
b. GFSK c. PCM d. DM
66. The three low power modes of Bluetooth to conserve battery life.
a. Sniff mode b. Hold Mode c. Park Mode d. Run Mode
67. Matte painting is popularly known as a. Bluescreen
b. Greenscreen
c. Computer Generation d. Character Generation
68. The following are advantages of Greenscreen over Bluescreen except
a. Green paint has grea ter reflectance b. Green screen takes less light to light i t c. Video cameras are usually most sensitive in the green channel
d. Green spill is usually objectionable and obvious even in small amounts
69. A technology for carrying may signals of different capabilities through a synchronous, flexible optical hierarchy
a. SONET b. ATM c. BISDN d. HFC
70. It is one of the most important considerations in digital transmission. It is using a series of repetitive pulses to keep the bit rate of data constant and to indicate where the ones and zeroes are located in a data stream
a. Sync b. Clocking c. PRC d. GMT
71. The following are SONET network elements except a. Terminal multiplexer
b. Regenerator c. ADM
d. PRC
72. A SONET process used when tributaries are adapted into Virtual Tributaries by adding justification bits and path overhead information
a. Mapping b. Stuffing c. Aligning d. Multiplexing
73. A SONET network configuration with survivability or redundancy as its main advantage
a. Point to point b. Point to multipoint c. Hub network d. Ring
74. A computerized system that provides non-simultaneous communication 24 hours a day. The system can answer your phone when you cannot or when you are on the p hone and engaged with another call
Answering machine Voice mail
Call waiting PABX
75. The following statements about voice mail are true except a. Voi ce mail provides an open telephone line b. Voi ce mail places a numb er of cal ls even i f the phone is unanswered
c. Voi ce mail offers 24 hou rs serv ice a d ay d. Voice mail service is expensive 76. The European or CCITT equivalent of SONET 3
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a. HFC b. PDH c. SDH d. ADSL77. The following are typical SDH network equipment except a. ADM
b. Terminal Unit c. DXC
d. SCP
78. The fundamental signal of SDH is STM 1 with a fundamental rate of 155.52 Mbps. STM means
a. Synchronous Transport Module b. Synchronous Transfer Mode c. Standard Transport Mechanism d. Service Transport Mode
79. A network within the SDH which allows the monitoring of the performance of the network detection and analysis of faults and the setting up and clearing down of links between customer locations
a. STM b. PDH c. TMN d. STS
80. The device responsible for converting the 2-wire line from the local system into a 4-wire line to couple with the ISDN equipment.
a. NTE b. TA c. Hybrid d. Transformer
81. The device that allows a non-ISDN equipment to be connected to the ISDN line.
a. NTE b. TA c. Hybrid d. Transformer
82. ISDN channel used to carry signaling and supervisory information to the network.
a. B b. D c. H d. BISDN
83. Speed of the D-channel for a PRI. a. 16 bps
b. 64 kbps c. 128 kbps d. 32 kbps
84. H channel composed of 30 B channels a. H0
b. H11 c. H12 d. H21
85. Speed of the BRI a. 64 kbps b. 128 kbps c. 144 kbps d. 256 kbps 86. PRI for US a. 2B + D b. 23B + D c. 30B + D d. 2.048 Mbps
87. Satellite Internet Access is a satellite delivered internet service which can provide a cost effective, high speed _____ internet solution to corporate users.
a. Download b. Upload c. Fi le transfer d . Mail transfer
88. A transceiver device used to connect the PC to a typical WLAN
a. MAU
b . Ac cess point c. Access device d. Modem
89. A BISDN access network which transports high bit rate information on the existing copper pair telephone requiring no changes to the PSTN.
a. HFC b. FTTB
c. Radio access d. ADSL
90. A BISDN equipment located at the subscriber premises which bridges the cable and separates the telephony from video signals on the downstream and injects signals on the upstream.
a. CCU b. CAU
c. Cable Router d. Cybersurfr modem
91. A BISDN equipment which provides the interface between an HFC transmission system and local and remote TCP/IP networks.
a. CCU b. CAU
c. Cable Router d. Cybersurfr modem
92. A service independent telecommunications network where intelligence is taken out of the switch and placed in computer nodes that are distributed throughout the network.
a. IN b. BISDN c. Web TV d. VOIP
93. A service requiring transmission channels capable of supporting rates greater than the primary rate.
a. IN b. BISDN c. Web TV d. VOIP
94. A flexible data communications system implemented as an extension to or as an alternative for a wired local area network within a building or campus.
a. IN b. WIN c. WLAN d. BISDN
95. A DISDN service by which consumers purchase goods and services from TV channels dedicated to selling products or from on-line computer service providers.
a. T elemarke ting b. Home Shopping c. Sma rt Sho ppin g d. TV Ads
96. A cable service that allows viewers to purchase movies r special events on a feature basis.
a. Pay Per View b. Video On Demand c. NVOD
d. CATV service
97. Interactive services that enables students from around the country to participate in virtual classrooms.
a. Distance Learning
b. International Correspondence Courses c. Interactive Classroom
d. Internet Classroom Assistance
98. Consulting face to face with a doctor would be as easy as placing a telephone call. Home check-ups could be possible with an interactive network.
a. Physical Examinations b. Tele medicine
c. T elecheck-up d. Virtual Docto r
99. Financial transactions may be conducted at home. Beyond monitoring account balances, users could authorize electronic fund transfers to pay bills, analyze stock performance of create a home budget.
a. Home Banking b. Telebanking c. ATM d. Virtual ATM
100. Two digital signals whose transmission occur at almost the same rate are
a. Asynchronous b. Synchronous c. Plesiochronous d. Mesochronous
101. Which of the following is not a basic SONET element? a. Switch interface
b. Digital loop carrier c. Service control point d. Add/drop multiplexer 102. SONET systems are
a. T wisted pai r coppe r based technology b. Fiber optic technology
c. Hybrid fiber coax technology d. Wireless technology
103. STM means
a. Synchronous Transport Module b. Synchronous Transfer Mechanism c. Section Terminating Module d. Synchronous Transfer Mode 104. The new name of CCITT
a. SCC b. DECT c. ITU-T 4
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d. ANSI
105. The following are Wireless LAN configurations except a. Peer to peer
b. Client & access point
c. Multiple access points & roaming d. Ring
