TRUE/FALSE. Write 'T' If the Statement Is True and 'F' If the Statement Is False s1

Networking Chapter 2 Name______

TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 1 In regards to CAT5e / CAT6 cable operating at half- duplex mode for Ethernet or FastEtherne t, pins 1/2 3/6 are used to carry the data. 1) ______

A CAT5e / 6 link test, tests from one termination to another. 2) ______

The six subsystems of a structured cabling system are the following: Building Entrance

Equipment Room Backbone Cabling

Telecommu nications Closet Vertical Cabling

Work Area 3) ______

The following is the color map and pin numbers for T568A: 1. White- Green 2. Blue 3. White- Orange 4. Green 5. White- Blue 6. Orange 7. White- Brown 8. Brown 4) ______

The following is the color map and pin numbers for T568B: 1. White- Orange 2. Orange 3. White- Green 4. Blue 5. White- Blue 6. Green 7. White- Brown 8. Brown 5) ______

A full channel test tests all the link elements from the computer through patch panel to the wall plate. 6) ______

NEXT stands for Near End Cross Talk and a low db value is desirable. 7) ______

A NEXT measureme nt of 59.5 dB is made on wire pairs 1-2/3- 6. A NEXT measureme nt of 51.8 dB is made on wire pairs 3-6/7- 8. Pairs 3- 6/7-8 have the best NEXT performanc e measureme nt. 8) ______

Only two wire-pairs are used to obtain a proper Power Sum measureme nt. 9) ______

Signals travel in a cable at some percentage of the velocity of light. The term for this is called the nominal velocity of propagatio n. 10) ______

The T568A wire order is used with the EIA/TIA 568A standard while the T568B wire order is used with the EIA/TIA 568B standard. 11) ______

Delay skew is critical because if the wire lengths of different wire pairs are significantl y different, the data will arrive at the receiver at a different time potentially creating distortion of the data. 12) ______

Patch cables are too short to be tested. 13) ______

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Which does permanent networking cabling withing a building belong to? 14) ______Vertical Cabling B) Work Area Equipment Room D) none of the above

What is the overall length limitation of an individual cable run from the telecommu nications closet to a networking device in the work area? 15) ______10 meters B) 100 meters 10k meters D) 100 k meters

What is the data rate for Ethernet? 16) ______10 Mbps 100 Mbps 1000 Mbps 10 kbps none of the above

How many wires are in a CAT5e/6 twisted- pair cable? 17) ______12 wires B) 8 wires C) 4 wires D) 6 wires

How many pins does an RJ-45 modular plug have? 18) ______4 6 8 16 none of the above horizontal cabling 19) ______is cabling that extends out from the telecommunications closet into the LAN work area. is cabling that extends out from the work area into the LAN. is cabling that extends out from the backbone into the LAN work area. is cabling that extends out from the equipment room into the LAN work area. none of the above

The basic blocks of horizontal cabling consist of: (select two) 20) ______switch or hub B) routers backbone cabling D) patch panel

A UTP Certificatio n report lists the following. Length 12

283 Select the correct answer. 21) ______The test must be repeated. Insufficient information to obtain an answer. The cable length is too long. The cable passes the length test.

What type of cable is currently recommen ded for LAN work areas. 22) ______shielded twisted pair CAT6 shielded twisted pair CAT 5e UTP CAT6 UTP CAT7 UTP

What is the benefit of shielded twisted pair cable? 23) ______ease of installation excellent EMI protection less expensive preferred by industry for all installations none of the above

A UTP Certificatio n report lists the following. Length 12

! 310 308

! 311 307 Select the correct answer. 24) ______The cable fails the certification test. Pairs 36 78 will be certified. Pairs 12 45 will be certified. The cable has passed the certification test. The ! sign indicates the cable pair meets or exceeds Power Sum test criteria.

The length difference in wire pairs for UTP 25) ______indicate the cable should not be certified. indicate the cable should be certified. are due to the difference in the cable twists for each wire pair. are due to poorly manufactured cable.

The nominal velocity of propagatio n for UTP 26) ______should be close to 1 should be close to 100m speed of light .should be some percentage of the speed of light.

The proper alignment of the transmit and receive pairs in a CAT5/5e/6 UTP cable requires 27) ______the transmit (+) and (-) signals connect to the receivers (+) and (-) signals respectively. the transmit (+) and (-) signals connect to the receivers (-) and (+) signals respectively. the transmit (-) and (+) signals connect to the receivers (-) and (+) signals respectively. none of the above

In the balanced mode of operation for UTP 28) ______the (+) side connects to ground. the (-) side connects to ground neither wire in the wire pairs connects to ground. is only used with STP cable installations. is only used in high EMI environments.

CAT 6 UTP is recommen ded for use in (select all that apply) 29) ______the campus network backbone cabling only the equipment room the horizontal cabling for a LAN is not recommended in LANs the work area

A data problem is reported to the network administrat or. The problem is found to be with the UTP network connection. What steps could the network administrat or have done to isolate the problem. (Select all correct answers.) 30) ______Visually inspect all UTP terminations. Run a cable test using a device similar to the Omniscanner. Use the ping command to verify network connectivity. Use pairs 4/5 7/8 to repair the connection. Contact the installer of the UTP cable to obtain a certification report.

Match the definition to the correct term. Interconnec ted LANs within a limited geographic area.

31) ______Campus Network B) Wide Area Network Metropolitan Area Network D) none of the above

Match the definition to the correct term. An Ethernet system operating at 100 Mbps.

32) ______AUI Ethernet Link Ethernet Gigabit Ethernet Fast Ethernet none of the above

Match the definition to the correct term. Another term for network congestion.

33) ______bottled bottlenecking constricted constricting none of the above

Match the definition to the correct term. Describes where the cable connects to a jack or a patch panel. 34) ______TCO B) closet termination D) none of the above

Match the definition to the correct term. A graphical or text description of the wire connections from pin to pin. 35) ______Color-map Continuity map Wire-map Connectivity map none of the above

Match the definition to the correct term. Consists of all the link elements from the wall plate to the switch. 36) ______Complete Link Full Channel Full Link link none of the above

The main cross- connect (MC) connects to 37) ______Telco B) ISP floor distrributors D) work station outlet

Another name for an RJ45 connector is 38) ______8C8P B) 8W8T C) 8P8C D) 8P8T

T ling from one permanent link to another is called h e

t e r m

u n w a n t e d

s i g n a l

c o u p 39) ______near-end crosstalk B) Alien Crosstalk far-end crosstalk D) none of the above

10GBase-T requires the use of ______in the transmissio n of data over UTP 40) ______the high data lines B) pins 4/5 7/8 only all four wire pairs D) 10G is not possible at 10G

1 ) TRUE 2 ) FALS E 3 ) FALS E 4 ) FALS E 5 ) TRUE 6 ) FALS E 7 ) FALS E 8 ) FALS E 9 ) FALS E 1 0) TRUE 1 1) FALS E 1 2) TRUE 1 3) FALS E 1 4) D 1 5) B 1 6) A 1 7) B 1 8) C 1 9) A 2 0) A, D 2 1) D 2 2) D 2 3) B 2 4) A 2 5) C 2 6) D 2 7) B 2 8) C 2 9) C, E 3 0) B, C 3 1) A 3 2) D 3 3) B 3 4) C 3 5) C 3 6) B 3 7) A, B 3 8) C 3 9) No Correc t Answ er Was Provid ed. 4 0) C