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In OSPF database descriptor packet, which field is used to detect a missing packet?(a) LSA header(b) MS(c) Database descriptor sequence number(d) Options |
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Answer» Correct option is (c) Database descriptor sequence number The explanation is: Sequence number field is used to detect a missing packet. The packets are to be received in order of the sequence number, so if the receiver detects that there is a sequence number skipped or missing in the order, it stops processing the further received packets and informs the sender to retransmit the packets in sequence. |
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