D481 - Chapter 4

Question 1

What was the most common topology used in early Ethernet networks (using coaxial cable)?

Answer 1

The “Bus” Network Topology

Question 2

Real-time applications benefit from higher performance by which type of network devices?

Answer 2

Layer 2 Switch

Question 3

What is a “Collapsed Backbone” Network?

Answer 3

A network that is an aggregation of edge networks

Question 4

What device ONLY extends the maximum distance between two Ethernet nodes (AND does NOT provide any other service)?

Answer 4

REPEATER

Question 5

What was the original transmission speed of Ethernet under the 802.3 standard?

Answer 5

10 Mbps

Question 6

What is a typical location where campus or interbuilding backbone cabling is terminated?

Answer 6

The Main Distribution Frame (MDF)

Question 7

What node identification does a Layer 2 switch use to forward frames to the correct destination?

Answer 7

A MAC Address

Question 8

What technique allows someone to aggregate network links into a larger bandwidth pipe?

Answer 8

Trunking

Question 9

What does “TIA” stand for?

Answer 9

Telecommunications Industry Association

Question 10

What does “EIA” stand for?

Answer 10

Electronics Industry Association

Question 11

What standard should a network administrator use to create a “Straight-through” patch cable?

Answer 11

Both sides would be wired either as TIA-568A OR TIA-568B

Question 12

What network connection type requires line-of-sight (aka. The Fresnel Zone)?

Answer 12

Microwave Radio

Question 13

What is the first connection for cables in a wired networking closet?

Answer 13

A “Patch Panel”

Question 14

How many bytes make up a MAC Address?

Answer 14

6 Bytes