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) OptionsI had been asked this question in an interview.The origin of the question is OSPF in chapter Network Layer of Computer Network

In OSPF database descriptor packet, which field is used to detect a mi

1.	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) OptionsI had been asked this question in an interview.The origin of the question is OSPF in chapter Network Layer of Computer Network
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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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) OptionsI had been asked this question in an interview.The origin of the question is OSPF in chapter Network Layer of Computer Network

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