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GATE 2019 - Computer Network Quiz-3 (Flow & Error Control )

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Question 1

If in an error detection and correction code a message
M : “You are good students” is stored as
C' : Youare areyou aregood goodare goodstudents studentsgood.
What is the space required to store M' in general? (assume that ‘n’ is the length of M)

Question 2

The throughput of pure ALOHA is given by:

Question 3

The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is known as

Question 4

The period of a signal is 10 ms.What is the frequency in Hertz?

Question 5

For the 8-bit word 00111001, the check bits stored with it would be 0111. Suppose, when the word is read from memory, the check bits are calculated to be 1101. What is the data word that was read from memory?

Question 6

Match the Following Lists:
List-I
a. Call Control
b. A-bis
c. BSMAP
d. CDMA
List-II
i. Interface betweenProtocol Basse T-ansceiver Station (BTS) and Base Control Station (BCS)
ii. Speed Spectrum
iii. Connection man-agement
iv. Works between Mo-bile Switching Cen-tre (MSC) and Base Station Subsystem (BSS)
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Apr 7GATE & PSU CS