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Computer Networking

Computer Networking
Which protocol is used to send a destination network unknown message back to originating hosts?

ARP
BootP
TCP
ICMP

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Computer Networking
Data are sent over pin _____ of the EIA-232 interface.

3
2
All of these
4

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Computer Networking
What is the maximum number of entries in the HOSTS file?

500
None of these
8
255
Unlimited

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Computer Networking
How many hosts are attached to each of the local area networks at your site?

128
None of these
254
256
64

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Computer Networking
What is the default subnet mask for a class B network?

None of these
255.0.0.0
255.255.255.0
127.0.01
255.255.0.0

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Computer Networking
An error detecting code is which code is the remainder resulting from dividing the bits to be checked by a predetermined binary number, is known as

Error rate
None of these
Checksum
Cyclic redundancy check
Error detecting code

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