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Table Of Contents  CertiGuide to Network+
 9  Chapter 0001:  LAN Cabling

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XII  Chapter 0001:  Summary
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Chapter 0010:  ISO, OSI, and IEEE Standards
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XIII  Test 0001:  Success Questions

(Click here to see answers with explanations.)

1. How many categories are defined by the IEEE 802 committee?

A. 16 categories

B. 7 categories

C. 3 categories

D. 2 categories

E. 10 categories


 

2. What is an external transceiver typically used for?

A. Convert the physical connection from one Ethernet type to another

B. To bridge to different LANs

C. To regenerate and strengthen the data packets

D. The convert from Ethernet to Token Ring

E. To terminate an Ethernet COAX connection


 

3. What type of cable is used on a 100BaseT network?

A. STP

B. Coaxial

C. Fiber Optics

D. UTP

E. V.35


 

4. What devices are commonly used to organize the cabling system in a wire closet?

A. External Parallel print servers

B. Plastic twist ties

C. Color coded RJ-45 ends

D. Patch panels

E. Masking Tape


 

5. What is considered to be the maximum acceptable utilization on an Ethernet segment

A. 100%

B. 10%

C. 30%

D. 70%

E. 50%


 

6. What purpose do the twists in STP (shielded twisted pair) cable serve?

A. Makes the cable more flexible

B. Provides added strength

C. Minimized electrical interference

D. Allows twist on-connectors

E. Prevents unwanted tangling


 

7. Patch panels are used for:

A. Terminating network cable ends

B. Aids in organizing the wiring system

C. Minimizing cable lengths

D. Connecting dissimilar cable types

E. Connecting bridges to the network


 

8. Your company has expanded and wishes to integrate with another building that is approximately 1 kilometer away. For some unspecified reason, you cannot use repeaters. What type of cabling will you install?

A. 100BaseT

B. 100BaseFX

C. 10Base5

D. 10Base2

E. 1000BaseT


 

9. Which of the following are characteristics of Category 5 cabling?

A. UTP

B. 100/Mbps

C. 100-meter limit

D. 4 Pairs of wires

E. None of the above is correct.


 

10. 100BaseT requires _________ wires.

A. One

B. Two

C. Three

D. Four

E. Five


 

11. Which 100Mbps standard uses only two pairs of CAT5 UTP cable?

A. 10BaseT

B. 100BaseT4

C. 100BaseTX

D. 100Base2

E. 100BaseFX


 

12. A PC in the corner of your building cannot communicate with the network, and all other nodes seem to be slower than normal. There are 103 meters of CAT5 UTP (Unshielded Twisted Pair) cabling between the corner PC and the network hub.

Required results:

  • Establish connectivity between the computer and the network.

  • Increase network performance.

Optional results:

  • Decrease network downtime.

  • Increase server processing.

  • Lower operating costs.

Proposed solution:

  • Replace the current NIC in the non-communicative PC with a 100BaseFX network card.

  • Install a repeater between the non-communicative PC and the hub.

  • Install new NICs in all other PCs.

 

A. The proposed solution meets the required results and all of the optional results.

B. The proposed solution meets the required results and two of the optional results.

C. The proposed solution meets the required results and one of the optional results.

D. The proposed solution does not meet the required results.

E. The proposed solution meets the required results and all of the optional results.


 

13. A laptop computer using 802.11b connects to a LAN at some locations, and not other locations. Possible reasons for this include:

A. Improper MAC address

B. Interference from motors or other EMI sources

C. Out of signal range

D. Metal objects obscuring signal

E. Improper password


 

14. Gigabit Ethernet cable uses ___ twisted pairs.

A. 1

B. 2

C. 3

D. 4

E. 5


 

15. A Tone Generator is useful to detect:

A. Faulty hub connections

B. Faulty wiring

C. Faulty termination

D. STP category level


 

16. To test a NIC without a cable or hub you would use a _______.

A. Time Domain Reflectometer

B. Loopback address

C. Diagnostics diskette

D. Ping 127.0.0.1

E. None of the available choices are acceptable


Previous Topic/Section
XII  Chapter 0001:  Summary
Previous Page
Pages in Current Topic/Section
1
Next Page
Chapter 0010:  ISO, OSI, and IEEE Standards
Next Topic/Section

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