Question

In the congestion avoidance algorithm, the size of the congestion window increases ____________ until congestion is detected.

(a) exponentially

(b) additively

(c) multiplicatively

(d) suddenly

The question was asked during an interview.

The query is from Congestion Control topic in chapter Frame Relay of Computer Network

Answer 1

Right option is (b) additively

To explain: In the congestion avoidance algorithm, the size of the congestion window increases additively until congestion is detected. Once congestion is detected, the size of congestion window is decreased once and then the packets are transmitted to achieve congestion avoidance.