3.1

Question 1

Which type of fiber optic cable is used for short distance connections and carries multiple rays of light?

Answer 1

multimode

Question 2

Singlemode fiber has a smaller core than multimode fiber.

Answer 2

true

Question 3

Which of the following situations is MOST likely to justify an investment in a Cat 6a cable instead of a Cat 6 cable? Choose 2

Answer 3

1) The work area has a lot of electromagnetic interference (EMI).
2) There will be cable runs of 80 meters.

Question 4

What is the name of this connector? (blue 8 pin)

Answer 4

rj45

Question 5

As a cable company technician, you need to use a fiber optic ST connector to connect a device to the company’s fiber optic network.

Which of the following is the ST connector? (Select the correct connector type.)

Answer 5

a (bright red)

Question 6

Fiber Optic is (compared to copper)…

Answer 6

fast & expensive

Question 7

What type of connector is typically used in cable provider copper broadband connections?

Answer 7

f-type

Question 8

If you are going to run a network cable in the space above the drop ceiling in your office, which type of cabling would you use?

Answer 8

plenum

Question 9

What type of cable is pictured?

Answer 9

coaxial

Question 10

What type of connector is this and what is it used for?

Answer 10

f-type, coaxial cable

Question 11

What type of coaxial cable is recommended for digital television cable signals?

Answer 11

rg-6

Question 12

What type of protection against crosstalk is found in UTP cabling? Choose all that are correct.

Answer 12

Varying twist rates in the pairs of wires.

Question 13

What is the purpose of the Braided Mesh Conductor in this cable?

Answer 13

provides EMI sheilding

Question 14

What type of cable is the most common in wired ethernet installations?

Answer 14

twisted pair

Question 15

Cable TV and Cable networking use ____ cable.

Answer 15

coaxial

Question 16

Choose two types of fiber-optic connectors.

Answer 16

SC & ST

Question 17

Which type of fiber optic cable is used for short distance connections and carries multiple rays of light?

Answer 17

multi mode

Question 18

Which of the following are advantages of using fiber optic cabling for a network, as opposed to other types of cabling? (Select two.)

Answer 18

immunity to EMI & Greater cable distances without a repeater

Question 19

What classification of UTP / STP is needed for vertical runs of cabling between floors of a building

Answer 19

riser

Question 20

A technician is installing a cable modem that supplies internet connectivity for a home office.

Which of the following cabling types would they use to connect the cable modem to the wall outlet?

Answer 20

rg-6

Question 21

Rays of light transmitted in fiber optic cable are called

Answer 21

modes

Question 22

A technician is running a network above a dropped ceiling that is also used for ventilation. The cable must be twisted pair and must be capable of Gigabit Ethernet speeds.

Which of the following cables should the technician use?

Answer 22

Plenum-rated Cat 6a

Question 23

What is a major benefit STP provides that UTP does not?

Answer 23

Greater resistance to interference

Question 24

In a twisted-pair cable, wires are twisted together to reduce ___.

Answer 24

noise/crosstalk

Question 25

What type of connector and jack are used for Ethernet connections.

Answer 25

rj-45

Question 26

A fiber optic cable consists of four basic components. Using the illustration below, match each illustration label on the left with the correct component name on the right.

Answer 26

A - plastic sheath , B - protective layer , C - cladding , D - central core

Question 27

Where is this cable typically used?

Answer 27

ethernet networks

Question 28

How many conductors are there in an RJ-45 connector?

Answer 28

8

Question 29

What is the signal carrying material in twisted pair cabling?

Answer 29

copper

Question 30

Which of the following make up the typical coaxial cable?

Answer 30

Jacket, Shielding, Dielectric (or insulator), and Center Conductor

Question 31

What type of connector has 8 pins (connectors) and is used for Ethernet networks?

Answer 31

rj-45

Question 32

What type of connector is this?

Answer 32

f-type

Question 33

What kind of network cables are immune to crosstalk and RFI?

Answer 33

fiber optic

Question 34

Which type of fiber optic cable utilizes a 50 micron (micro-meter) core?

Answer 34

multi-mode

Question 35

Of all network cabling options, __ offers the longest possible segment length.

Answer 35

fiber optic