QUIZ 3

Business Data Networks and Security, 11e (Panko)

Chapter 3 Network Management

1) In QoS, the S stands for .

A) software

B) security

C) service

D) satisfaction

Answer: C

Difficulty: Basic

Question: 1a

Objective: Discuss quality of service and service level agreements.

AACSB: Applying Information Technology

2) QoS is quantified through .

A) criteria

B) consensus

C) metrics

D) none of the above

Answer: C

Difficulty: Basic

Question: 1b

Objective: Discuss quality of service and service level agreements.

AACSB: Applying Information Technology

3) Transmission speed is normally measured in .

A) bits per second

B) bytes per second

C) octets per second

D) none of the above

Answer: A

Difficulty: Basic

Question: 2a

Objective: Discuss quality of service and service level agreements.

AACSB: Applying Information Technology

4) Throughput is .

A) the speed a network actually provides to users

B) a network's rated speed

C) both A and B

D) neither A nor B

Answer: A

Difficulty: Basic

Question: 3a

Objective: Discuss quality of service and service level agreements.

AACSB: Applying Information Technology, Application of Knowledge

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5) Users of an access point share the transmission capacity of the access point. The throughput a

user gets is called the .

A) rated speed

B) aggregate throughput

C) individual throughput

D) all of the above

Answer: C

Difficulty: Deeper

Question: 3b

Objective: Discuss quality of service and service level agreements.

AACSB: Applying Information Technology, Application of Knowledge

6) In a coffee shop hot spot, the rated speed is 10 Mbps. Throughput is about half of the rated

speed. There are ten people using the hot spot. If you and three others are transmitting or

receiving at the same time, what speed should you expect to get?

A) 0.5 Mbps

B) 1 Mbps

C) 1.25 Mbps

D) none of the above

Answer: C

Difficulty: Deeper

Question: 3c

Objective: Discuss quality of service and service level agreements.

AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge

7) In a coffee shop, there are ten people sharing an access point with a rated speed of 2Gbps. The

throughput is half the rated speed. If each person downloading is getting an average of 200Mbps,

how many people are using the Internet at that moment?

A) 10

B) 5

C) 2

D) none of the above

Answer: B

Difficulty: Deeper

Question: 3d

Objective: Discuss quality of service and service level agreements.

AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge

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8) Trunk lines in the Internet core are .

A) dedicated

B) multiplexed

C) both A and B

D) neither A nor B

Answer: B

Difficulty: Deeper

Question: 4a

Objective: Discuss quality of service and service level agreements.

AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge

9) The business benefit of multiplexing is .

A) lower cost

B) higher speed

C) avoiding the need to send many transmission links through narrow conduits

D) security

Answer: A

Difficulty: Basic

Question: 4c

Objective: Discuss quality of service and service level agreements.

AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge

10) is the percentage of time that a network is available for use.

A) Availability

B) Downtime

C) QoS

D) none of the above

Answer: A

Difficulty: Basic

Question: 5a

Objective: Discuss quality of service and service level agreements.

AACSB: Applying Information Technology

11) Which of the following usually has higher availability?

A) data networks

B) public switched telephone network (PSTN)

C) Both of the above usually have equal availability.

D) neither A nor B

Answer: B

Difficulty: Deeper

Question: 5a

Objective: Discuss quality of service and service level agreements.

AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge

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