Question: Question 20 4 pts Host P transmits a SYN segment to Host Q. If host Q is willing to open the connection, it will transmit

Question 20 4 pts

Host P transmits a SYN segment to Host Q. If host Q is willing to open the connection, it will transmit a(n) ________ segment.

ACK

SYN

SYN/ACK

none of the above

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Question 21 4 pts

QoS is quantified through ________.

none of the above

consensus

criteria

metrics

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Question 22 4 pts

Throughput is ________.

both A and B

a network's rated speed

the speed a network actually provides to users

neither A nor B

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Question 23 4 pts

Trunk lines in the Internet core are ________.

neither A nor B

multiplexed

dedicated

both A and B

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Question 24 4 pts

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

QoS

Availability

Downtime

none of the above

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Question 25 4 pts

Error rates can soar when the network traffic level is at a(n) ________.

high level

fluctuating level

none of the above

unregulated level

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Question 26 4 pts

Latency is usually measured in ________.

none of the above

minutes of downtime

bits per second (bps)

milliseconds (ms)

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Question 27 4 pts

Jitter is a problem for ________.

both A and B

streaming media

neither A nor B

voice over IP (VoIP)

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Question 28 4 pts

An SLA specifies the ________.

both A and B

neither A nor B

best case

worst case

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Question 29 4 pts

An SLA specifies ________.

maximum availability

neither A nor B

minimum availability

both A and B

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Question 30 4 pts

Traffic shaping may ________ traffic that is undesirable.

limit

both A and B

prohibit

neither A nor B

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Question 31 4 pts

Ethernet standards are specified at the ________ layer.

Internet

physical

both A and B

neither A nor B

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Question 32 4 pts

Ethernet forwarding devices are ________.

routers

both A and B

access points

switches

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Question 33 4 pts

What organization (most specifically) creates Ethernet standards?

IETF

IEEE

ISO

OSI

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Question 34 4 pts

What type of switch connects switches to other switches?

workgroup switches

trunk switches

core switches

none of the above

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Question 35 4 pts

________ links connect switches to other switches.

Workgroup

Access

Long

Trunk

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Question 36 4 pts

Physical layer standards govern ________.

neither A nor B

physical connectors

both A and B

signaling

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Question 37 4 pts

How many wires are there is a UTP Ethernet cord?

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Question 38 4 pts

4-pair UTP terminates in a(n) ________ connector.

USB

RJ-45

standard telephone

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Question 39 4 pts

The main benefit of parallel transmission over serial transmission is ________.

both A and B

speed

neither A nor B

reliability

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