In a stop-and-wait ARQ system, the transmitting terminal

A)
does not wait for acknowledgement after sending a block
B)
sends another block if positive acknowledge is received through ACK character
C)
resends the previous block if negative acknowledgement is received through a NAK character
D)
waits for positive or negative acknowled-gement from the receiving terminal after sending a block

Correct Answer : Option (A) :   does not wait for acknowledgement after sending a block

Recently Updated in Satellite Communication Questions
What height must a satellite be placed above the surface of the earth in order for its rotation to be equal to earth's rotation?
A)
22,426.4 miles
B)
23,426.4 miles
C)
26,426.4 miles
D)
27,426.4 miles

Correct Answer :   22,426.4 miles

The owner of AsiaSat 2 is
A)
Japan Satellite System (JSAT)
B)
Singapore Satellite Commision
C)
Asia Satellite Telecommunications Company (ASTC)
D)
China Great Wall Industry Corporation

Correct Answer :   China Great Wall Industry Corporation

A mobile satellite array has usually how many elements?
A)
6
B)
12
C)
14
D)
80

Correct Answer :   14

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Power Electronics
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