COMPUTER NETWORKING QUIZ

Which of the following is an IEEE standard for frame tagging?

ISL

802.3U

802.1Q

802.3Z

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What is the port number for NNTP?

79

119

None of these

70

80

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If you get both local and remote echoes, every character you type will appear on the screen

None of these

never

once

twice

three times

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If the ASCII character G is sent and the character D is received, what type of error is this?

burst

recoverable

None of these

multiple-bit

single-bit

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The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband.

Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable

Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel

Baseband refers to local area networks, and broadband refers to wide area networks.

Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed

Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions

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What is the port number for HTTP?

80

99

None of these

86

23

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IGRP uses which of the following as default parameters for finding the best path to a remote network?1. Hop count2. MTU3. Cumulative interface delay4. STP5. Path bandwidth value

1 and 3

3 and 5

All of these

2, 3 and 5

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The physical layer, in reference to the OSI model, defines

data link procedures that provide for the exchange of data via frames that can be sent and received

All of these

the virtual circuit interface to packet-switched service

the interface between the X.25 network and packet mode device

None of these

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ICMP (Internet Control Message Protocol) is

a protocol that handles error and control messages

a protocol used to monitor computers

a TCP/IP high level protocol for transferring files from one machine to another

None of these

a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address

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A 8-Mbps token ring has a token holding timer value of 10 msec. What is the longest frame (assume header bits are negligible) that can be sent on this ring?

80,000 B frame

10,000 B frame

8000 B frame

8 x 105 bit frame

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