Which of the following descriptions about BGP, OSPF, IS-IS, and RIP is correct?

The correct answer is B. RIP runs on the basis of UDP sessions, and the port number used is 520. See the full explanation below for the reasoning.

IPv4 Routing Technologies

Question

Which of the following descriptions about BGP, OSPF, IS-IS, and RIP is correct?

AThe port number used by the BGP neighbor relationship based on the UDP session is 179
BRIP runs on the basis of UDP sessions, and the port number used is 520
CIS-IS runs on the basis of IP to transmit routing protocol packets
DOSPF runs on the basis of the IP protocol and uses the protocol number 88

(62 responses)

#BGP transport#OSPF protocol number#RIP UDP port#IS-IS transport

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