M

Mr. Dubey • 52.26K Points
Coach 

Q. Two broad categories of congestion control are

(A) open-loop and closed-loop
(B) open-control and closed-control
(C) active control and passive control
(D) active loop and passive loop
Correct : Option (A)

Explanation: 
 open loop congestion control techniques are used to prevent congestion before it even happens by enforcing certain policies. closed loop congestion control techniques are used to treat congestion after it has happened.

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