ISRO Scientist or Engineer Computer Science 2008

Instructions

For the following questions answer them individually

Question 1

Which ofthe following is an illegal array definition ?

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Question 2

The term Phongis associated with

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Question 3

The subnet mask 255.255.255.192

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Question 4

On a LAN, where are IP datagrams transported?

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Question 5

In Ethernet, the source addressfield in the MAC frame is the address.

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Question 6

Which of the following transmission media is not readily suitable to CSMA operation?

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Question 7

Consider the grammar
$$ S \rightarrow ABCc \mid bc$$
$$ BA \rightarrow AB $$
$$ Bb \rightarrow bb $$
$$ Ab \rightarrow b $$
$$ Aa \rightarrow aa $$
Whichof the following sentences can be derived by this grammar?

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Question 8

The TCP sliding window

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Question 9

What is the bandwidth of a signal that ranges from 40 kHz to 4 MHz?

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Question 10

Which Project 802 standard providesfor a collision-free protocol?

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