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Chapter 2 Exam

Question 1:

Which area of memory does the switch use to store destination and transmission data?

A. Storage partition

B. Delay queue

C. Memory buffer

D. Memory queue

 

Question 2:

What describes the time necessary to move a packet from the data link layer to the physical layer?

A. Packet delay

B. Transmission time

C. Convergence

D. Queuing

 

Question 3:

Which of the following is created by segmenting a LAN with a Layer 2 Switch?

A. More collision domains

B. Less collision domains

C. More broadcast domains

D. Less broadcast domains

 

Question 4:

What type of switching method is used when a switch only reads the destination address before forwarding the frame?

A. Cut-through

B. Read and send

C. Copy and send

D. Store-and-forward

 

Question 5:

What is used to alleviate congestion?

A. Install more hubs

B. Use an extended star

C. Use a bus topology

D. Increase the bandwidth

 

Question 6:

Which of the following is the default order of Spanning Tree Protocol states?

1. Learning

2. Disabled

3. Blocking

4. Listening

5. Forwarding

A. 3, 4, 1, 5, 2

B. 4, 3, 1, 2, 5

C. 2, 1, 4, 3, 5

D. 1, 4, 3, 5, 2

 

Question 7:

Which OSI layer does a router use to make its forwarding decisions?

A. 1

B. 2

C. 3

D. 4

 

Question 8:

Switches that receive the entire frame before sending it, use what type of frame forwarding?

A. Cut-through

B. Receive and send

C. Copy and send

D. Store-and-forward

Question 9:

Which switch type provides connections between ports of like bandwidth?

A. Asymmetric

B. Port-centric

C. Programmable

D. Symmetric

 

Question 10:

What percentage of bandwidth is available in each direction when using full-duplex?

A. 50%

B. 75%

C. 100%

D. 125%

 

Question 11:

The implementation of switching technology helps to decrease congestion by reducing traffic and increasing which of the following?

A. Attenuation

B. Available bandwidth

C. Routing protocols

D. Propagation

 

Question 12:

How do VLANs group network devices?

A. Physically

B. Logically

C. Geographically

D. Topographically

 

Question 13:

What occurs each time a switch stores an address?

A. Checks the subnet mask

B. Time stamps it

C. Places it in the routing table

D. Clears the routing table

 

Question 14:

What protocol is used to allow redundant paths in a switched/bridged network?

A. RIP

B. Spanning Tree

C. IGRP

D. ISL

 

Question 15:

Bridges learn about a network by building a table based on which of the following?

A. MAC addresses

B. IP addresses

C. ARP requests

D. RIP requests

 

Question 16:

A LAN switch allows many users to communicate in parallel through which of the following?

A. Routing tables

B. Multipoint protocols

C. Collision domains

D. Virtual circuits

Question 17:

What is read by a switch to begin the forwarding process and reduce latency?

A. Frame trailer

B. Destination MAC address

C. Source MAC address

D. Checksum

 

Question 18:

Which Layer 1 device is used to extend the coverage area of a LAN segment?

A. Router

B. Switch

C. Repeater

D. Gateway

 

Question 19:

Which represents the time it takes a frame to travel from its source station to its final destination on the network?

A. Hop count

B. Bits per second

C. Latency

D. Tick time

 

Question 20:

Which of the following does a switch use to make forwarding decisions?

A. Network layer information

B. Transport layer information

C. A MAC address

D. An IP address

 

Question 21:

Full duplex requires how many pairs of wires?

A. 1

B. 2

C. 3

D. 4

 

Question 22:

Switches on a LAN allow the network administrator to do which of the following?

A. Maintain a shared network segment

B. Decrease the number of collision domains

C. Prevent microsegmentation

D. Increase the number of collision domains

 

Question 23:

What will be generated when the first Ethernet station detects a collision?

A. NACK

B. CRC misalignment message

C. Reset broadcast

D. Jam signal

 

Question 24:

Which of the following improves the performance of a shared media LAN?

A. Segmenting the network

B. Moving the workstations closer together

C. Installing a more powerful server

D. Installing more servers and printers