Gate CS-2006 Question Paper With Solutions

Q. 25 Station A needs to send a message consisting of 9 packets to Station B using a siding window (window size 3) and go-back-n error control strategy. All packets are ready and immediately available for transmission. If every 5th packet that A transmits gets lost (but no acks from B ever get lost), then what is the number of packets that A will transmit for sending the message to B ?

(A) 12

(B) 14

(C) 16

(D) 18

Answer: (C)

Explanation: Gate CS-2006 Question Paper With Solutions

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