CN - CO2

What is the maximum window size of ARQ protocols

• 2

• 4

• 7

• 9

Bit stuffing is

• Stuffing 1 bit

• Stuffing 8 bits

• Stuffing 2 bits

• None of the above

HDLC is

• Byte Oriented Protocol

• Bit Oriented Protocol

Stop and Wait protocol transmits data by

• 2 frames per transmission

• 8 frames per transmission

• 1 frames per transmission

• 4 frames per transmission

What is the window size of receiver for Go Back N protocol

• 3

• 2

• 4

• 1

What is FEC

• Forward Error correction

• Forward Error checksum

• Forward End correction

• Forward Error control

Preamble bit is

• 1010101010.....

• 110011001100....

• 1111000011110000....

• All the above

Sub type parameter of CTS packet in WLAN

• 1100

• 1101

• 1011

• 1001

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