Section 3.6

Question 1

Fraction of packets retransmitted is equal to:

Answer 1

1-(lambda_out/lambda_in)

Question 2

The type of congestion control when The sender infers segment loss from the absence of an ACK from the receiver:

Answer 2

end-end

Question 3

The type of congestion control when Bits are set at a congested router in a sender-to-receiver datagram, and bits are in the returned to the sender in a receiver-to sender ACK, to indicate congestion to the sender

Answer 3

network-assisted

Question 4

The sender measures RTTs and uses the current RTT measurement to infer the level of congestion.

Answer 4

delay-based