Exam: Network Access - Exam Questions

Question 1

Which three elements do all communication methods have in common?

Answer 1

message destination, transmission medium, and message source

Question 2

determines the best path to forward data through the network.

represents data to the user, data encoding, and dialog control.

controls hardware devices and media that make up the network.

supports communication between diverse devices across networks.

Answer 2

internet - determines the best path to forward data through the network.

application - represents data to the user, data encoding, and dialog control.

network access - controls hardware devices and media that make up the network.

transport - supports communication between diverse devices across networks.

Question 3

Which type of network cable is commonly used in backbone networks and telephone companies?

Answer 3

Fiber-optic cable

Question 4

What two characteristics describe an Ethernet cable?

Answer 4

4 pairs of twisted cables, color-coded pairs of cables

Question 5

Which criterion can be used to select the appropriate type of network media for a network?

Answer 5

the environment where the selected medium is to be installed

Question 6

Which type of address does a switch use to build the MAC address table?

Answer 6

source MAC address

Question 7

Which information does a switch use to populate the MAC address table?

Answer 7

the source MAC address and the incoming port

Question 8

What are two actions performed by a Cisco switch?

Answer 8

using the source MAC addresses of frames to build and maintain a MAC address table & utilizing the MAC address table to forward frames via the destination MAC address

Question 9

How much data can be encapsulated into a normal-sized Ethernet frame before it is sent over the network?

Answer 9

46 to 1500 bytes