Chaper 2 - Cabling and Topology

Question 1

The_________is a network topology that relies on a main line of network coaxial cabling.

Answer 1

bus topology

Question 2

The________of a cable will determine its speed.

Answer 2

category ratings

Question 3

A/An_________provides more fault tolerance than any other basic network topology.

Answer 3

mesh topology

Question 4

When your network has all computers connected to a centrally located wiring closet, you have a physical_______ network.

Answer 4

star topology

Question 5

_________networks use more than one type of basic network topology.

Answer 5

Hybrid topology

Question 6

CAT 5e cable is a type of ____ wiring.

Answer 6

unshielded twisted pair

Question 7

Coaxial cable uses a braided metal shield to protect data from_________.

Answer 7

electromagnetic interference

Question 8

Network cabling can use either light or electricity to transmit data. The faster of these types uses light along________

Answer 8

fiber-optic cable

Question 9

______ -grade UTP must be installed in ceilings, whereas _______ -grade UTP is often used to connect one floor to another vertically in a building.

Answer 9

plenum / riser

Question 10

The twisting of the cables in UTP and STP reduces________.

Answer 10

crosstalk

Question 11

Which of the following are classic network topologies? (Select three.)

A. Bus

B. Star

C. Ring

D. Dual-ring

Answer 11

Bus, star, ring

Question 12

John was carrying on at the water cooler the other day, trying to show off his knowledge of networking. He claimed that the company had installed special cabling to handle the problems of crosstalk on the network. What kind of cabling did the company install?

A. Coaxial

B. Shielded coaxial

C. Unshielded twisted pair

D. Fiber-optic

Answer 12

Unshielded twisted pair

Question 13

Jill needs to run some UTP cable from one office to another. She found a box of cable in the closet and wants to make sure it’s Cat 5 or better. How can she tell the Cat level of the cable? (Select two.)

A. Check the box.

B. Scan for markings on the cable.

C. Check the color of the cable—gray means Cat 5, yellow means Cat 6e, and so on.

D. Check the ends of the cable.

Answer 13

Check the box / Scan for markings on the cable

Question 14

What topology provides the most fault tolerance?

A. Bus

B. Ring

C. Star-bus

D. Mesh

Answer 14

Mesh

Question 15

What organization is responsible for establishing and promoting networking standards?

A. Institute of Electrical and Electronics Engineers (IEEE)

B. International Networking Standards Organization (INSO)

C. Federal Communications Commission (FCC)

D. International Telecommunications Association (ITA)

Answer 15

Institute of Electrical and Electronics Engineers (IEEE)

Question 16

What aspects of network cabling do the IEEE committees establish? (Select three.)

A. Frame size

B. Speed

C. Color of sheathing

D. Cable types

Answer 16

Frame size / Speed / Cable types

Question 17

What types of coax cabling have been used in computer networking? (Select two.)

A. RG-6

B. RG-11

C. RG-45

D. RG-59

Answer 17

RG-6 & RG-59

Question 18

What applications are best suited for fiber-optic cabling? (Select two.)

A. Short distances

B. Wireless networks

C. High-EMI areas

D. Long distances

Answer 18

High-EMI areas/ Long distances

Question 19

What are the main components of fiber-optic cabling? (Select three.)

A. Cladding

B. Insulating jacket

C. Copper core

D. Fiber

Answer 19

Cladding / Insulating jacket / Fiber

Question 20

What is the most popular size of fiber-optic cabling?

A. 62.5/125 µm

B. 125/62.5 µm

C. 50/125 µm

D. 125/50 µm

Answer 20

62.5/125 µm

Question 21

Most fiber-optic installations use LEDs to send light signals and are known as what?

A. Single-mode

B. Multimode

C. Complex mode

D. Duplex mode

Answer 21

Multimode

Question 22

Why was the main cable in a bus topology terminated at both ends?

A. To allow the signal to be amplified so it could reach both ends of the network

B. To prevent the signal from dropping off the network before reaching all computers

C. To prevent the signal from bouncing back and forth

D. To convert the signal to the proper format for a bus network

Answer 22

To prevent the signal from bouncing back and forth.

Question 23

Where are you most likely to encounter a mesh network?

A. On any network using fiber-optic cable

B. On any network using plenum cable

C. On wireless networks

D. On wired networks

Answer 23

On wireless networks.

Question 24

You are asked by your boss to research upgrading all the network cable in your office building. The building manager requires the safest possible cabling type in case of fire, and your boss wants to future-proof the network so cabling doesn’t need to be replaced when network technologies faster than 1 Gbps come on the market. You decide to use Cat 5e plenum cabling throughout the building. Which objective have you satisfied?

A. Neither the building manager’s nor your boss’s requirements have been met.

B. Only the building manager’s requirement has been met.

C. Only your boss’s requirement has been met.

D. Both the building manager’s and your boss’s requirements have been met.

Answer 24

Only the building manager’s requirement has been met.

Question 25

Which committee is responsible for wireless networking standards?

A. IEEE 802.2

B. IEEE 802.3

C. IEEE 802.5

D. IEEE 802.11

Answer 25

IEEE 802.11