Cable Inspection and Troubleshooting: Master the Art of Network Cabling Maintenance

Question 1

Which of the following is a typical symptom of a faulty Ethernet cable?

Accepted Answer

Intermittent network connectivity

Accepted Answer

Slow network speeds

Accepted Answer

Increased packet loss

Answer

No visible damage to the cable

Question 2

What instrument is commonly employed to assess cable lengths?

Accepted Answer

Cable tester

Answer

Tone generator

Answer

Multimeter

Answer

Punch down tool

Question 3

For fiber optic cables, which type of connector is typically used?

Accepted Answer

SC

Answer

RJ-45

Answer

DB-9

Answer

BNC

Question 4

Which type of cable fault is associated with a high resistance reading?

Accepted Answer

Open circuit

Answer

Short circuit

Answer

Cross-talk

Answer

Attenuation

Question 5

Which of the following is NOT a characteristic of shielded twisted pair (STP) cables?

Accepted Answer

Increased flexibility

Answer

Reduced crosstalk

Answer

Enhanced signal integrity

Answer

Higher cost

Question 6

What is the primary purpose of a cable tracer?

Accepted Answer

Locate specific cables within a bundle

Answer

Test cable continuity

Answer

Identify cable faults

Answer

Measure cable length

Question 7

What is the primary purpose of a cable jacket?

Accepted Answer

To protect the conductors from physical damage and environmental factors

Answer

To improve signal quality by reducing electromagnetic interference

Answer

To reduce cable flexibility and increase durability

Answer

To enhance cable installation by providing a gripping surface

Question 8

Which type of cable fault typically results in a sudden loss of signal?

Accepted Answer

Open circuit

Answer

Short circuit

Answer

Ground fault

Answer

Attenuation

Question 9

Which of the following is the standard color code for the blue pair of a Cat6 cable?

Accepted Answer

Blue/Blue-White

Answer

Green/Green-White

Answer

Orange/Orange-White

Answer

Brown/Brown-White

Question 10

What is the purpose of a cable shield?

Accepted Answer

To prevent electromagnetic interference (EMI) and improve signal quality

Answer

To provide additional physical protection against impact and abrasion

Answer

To enhance signal transmission by reducing attenuation

Answer

To reduce crosstalk between adjacent cables

Question 11

Which of the following is NOT a generally accepted troubleshooting technique for network cabling?

Accepted Answer

Replacing the entire cable without attempting to identify the specific problem

Answer

Checking for physical damage or breaks

Answer

Using a cable analyzer to test continuity and signal quality

Answer

Re-terminating the connectors to ensure proper electrical contact

Question 12

Which industry standard provides guidelines for labeling network cables?

Accepted Answer

ANSI/TIA-568.1

Answer

TIA-606-A

Answer

ISO/IEC 11801

Answer

IEEE 802.3

Question 13

For troubleshooting fiber optic cables, which specialized tool is primarily employed to pinpoint faults?

Accepted Answer

Optical time-domain reflectometer (OTDR)

Answer

Multimeter

Answer

Tone generator and probe

Answer

Network analyzer

Question 14

What is the primary purpose of conducting a cross-talk test on a network cable?

Accepted Answer

To detect excessive electrical interference between adjacent cables

Answer

To measure signal loss over the length of a cable

Answer

To identify open or short circuit faults

Answer

To determine the cable's bandwidth capacity

Question 15

To ensure proper handling of fiber optic cables, what is the recommended minimum bend radius?

Accepted Answer

10 times the cable's diameter

Answer

5 times the cable's diameter

Answer

20 times the cable's diameter

Answer

30 times the cable's diameter

Question 16

Which tool is specifically designed to measure the distance to a fault in a cable?

Accepted Answer

Optical time-domain reflectometer (OTDR)

Answer

Tone generator and probe

Answer

Network analyzer

Answer

Multimeter

Question 17

What is the primary function of a cable stripper?

Accepted Answer

To remove the outer covering of a cable

Answer

To terminate the ends of a cable

Answer

To test the continuity of a cable

Answer

To identify the type of cable

Question 18

Which of the following tools is primarily used to test the continuity and insulation of a cable?

Accepted Answer

Cable Tester

Answer

Multimeter

Answer

Wire Stripper

Answer

Punch Down Tool

Question 19

What is the primary purpose of using a patch panel in a network cabling system?

Accepted Answer

To organize and manage cable connections for easier maintenance and troubleshooting

Answer

To convert analog signals to digital signals

Answer

To protect cables from damage

Answer

To amplify network signals

Question 20

Which type of cable termination is commonly used to connect a cable to a wall jack, providing a secure and standardized connection?

Accepted Answer

RJ-45

Answer

RJ-59

Answer

RJ-12

Answer

RJ-11

Question 21

What is the purpose of using a cable tester equipped with a tone generator when troubleshooting network cabling problems?

Accepted Answer

To trace the path of cables through walls and ceilings, aiding in their identification and location

Answer

To determine the speed of the network connection

Answer

To measure the electrical resistance of the cable

Answer

To test the insulation of the cable

Question 22

Which tool is specifically designed to remove the outer jacket of a cable, exposing the inner conductors?

Accepted Answer

Wire Stripper

Answer

Punch Down Tool

Answer

Cable Tester

Answer

Crimping Tool

Question 23

Which cable termination tool is used to punch down cables onto a patch panel, establishing secure connections?

Accepted Answer

Punch Down Tool

Answer

Crimping Tool

Answer

Cable Tester

Answer

Wire Stripper

Question 24

What is the primary purpose of using a network analyzer when troubleshooting cabling issues?

Accepted Answer

To analyze network performance, identify errors, and provide insights for resolving connectivity problems

Answer

To trace cables through walls

Answer

To test cable continuity