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The source-quench message in ICMP was designed to add a kind of ____________ to the IP.(a) error control(b) flow control(c) router control(d) switch controlI had been asked this question during an online exam.My question is from ICMP topic in chapter TCP/IP Protocol Suite of Computer Network

Answer»

Right OPTION is (b) flow control

To explain I would SAY: Firstly, it informs the source that the datagram has been discarded. Secondly, it WARNS the source that there is congestion in the network. It’s type 4 error reporting message after which the source is expected to REDUCE the flow of packets.



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