Which two protocols support simple plaintext and MD5 authentication? (Choose two)

Which two protocols support simple plaintext and MD5 authentication? (Choose two)
A . RIP
B . IPv6
C . EIGRP
D . BGP
E . OSPF

View Answer

Answer: AE

Explanation:

Simple password authentication (also called plain text authentication) – supported by Integrated-System to Integrated-System (IS-IS), Open Shortest Path First (OSPF) and Routing Information Protocol Version 2 (RIPv2)

MD5 authentication – supported by OSPF, RIPv2, BGP, and EIGRP