Go-Back-N ARQ solved Quiz

What is the window size used in the go-back-n ARQ problem discussed?

• 2

• 3

• 4

• 5

How many packets does station A need to send to station B?

• 12

• 8

• 10

• 9

What happens to every first packet transmitted by station A?

• It is corrupted

• It is delayed

• It is lost

• It is acknowledged

How many packets does station A transmit in total to send 9 packets to station B?

• 12

• 14

• 18

• 16

What is the main purpose of the go-back-n ARQ protocol?

• To ensure reliable transmission

• To compress data

• To increase bandwidth

• To reduce latency

What is the maximum number of packets that can be sent before waiting for an acknowledgment in the discussed problem?

• 5

• 3

• 2

• 4

In the second problem, how many frames does host A want to send to host B?

• 12

• 10

• 9

• 8

What is the window size in the second problem?

• 6

• 3

• 4

• 5

How many frames are transmitted by host A if every sixth frame is lost?

• 15

• 16

• 17

• 18

What does the sender do when it does not receive an acknowledgment for a packet?

• Increases the window size

• Waits indefinitely

• Retransmits the entire window

• Sends a new packet