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Computer Networking

Computer Networking
Internet-like networks within an enterprise.

Inter organizational networks
Extranets
Switching alternating
Intranets

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

802.1Q
802.3U
ISL
802.3Z

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Computer Networking
Many large organizations with their offices in different countries of the world connect their computers through telecommunication satellites and telephone lines. Such a communication network is called

LAN
None of these
ECONET
EITHERNET
WAN

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Computer Networking
When two computers communicate with each other, they send information back and forth. If they are separated by a reasonable distance, they can send and receive the information through a direct cable connection which is called a null-modem connection. Presently what is the maximum distance in metres permitted in this null-modem connection?

30
100
80
150
None of these

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Computer Networking
HOSTS file entries are limited to how many characters?

8
Unlimited
None of these
500
255

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Computer Networking
Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost.

None of these
KIK (1 + F)
1/ (1 - F)
K I (K - P)
P I (K + 1)

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