Q5. Which of the following is an Exterior routing protocol?
A. OSPF
B. EIGRP
C. RIP v2
D. BGP
Correct Answer: D
Explanation:
BGP is an exterior routing protocol, whereas RIP, IGRP, and OSPF are all Interior routing protocols (IRP). Interior routing protocols run inside a company's network and can't run on the Internet. The Internet consists of numerous autonomous systems (AS) which are connected by Exterior Routing protocols like BGP. The current version of BGP running is version 4.
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