1. Suppose that a window size in Selective and Repeat is 4, what is the minimum

Question

1. Suppose that a window size in Selective and Repeat is 4, what is the minimum size of sequence number in bits required to have no problems at receiver.

1

2

3

4

2. Which of the following statements is not true about rdt3.0?

Underlying channel is error free

Retransmits when ACK is not received within timeout period

Sequence number for the packets

Sender waits for ACK until timeout

3. Transmission delay is the time for a signal to travel from source to destination.

true

false

13. Suppose host A is sending host B a large file over a TCP connection. The number of unacknowledged bytes that A sends cannot exceed the size of the receiver buffer.

true

false

Explanation / Answer

1.

Minimum size of sequence number in bits is 8.

2.

Underlying channel is error free is not true with rdt3.0

3.
False

13.
True

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