Refer to the exhibit. A network administrator has issued the displayed commands. The EIGRP routing domain has completely converged and a network administrator is planning to configure EIGRP authentication throughout the complete network. On which two interfaces should EIGRP authentication be configured between R2 and R3? (Choose two.)

IT Questions Bank › Category: CCNP › Refer to the exhibit. A network administrator has issued the displayed commands. The EIGRP routing domain has completely converged and a network administrator is planning to configure EIGRP authentication throughout the complete network. On which two interfaces should EIGRP authentication be configured between R2 and R3? (Choose two.)

Question:

serial 0/1/0 of R2
serial 0/1/0 of R4
serial 0/0/1 of R2
gig 0/0 of R3
serial 0/0/1 of R3

Explanation: EIGRP authentication should be configured on each interface that is part of the EIGRP routing domain. According to the output of the issued command show ip eigrp neighbors , EIGRP has formed neighbor relationships with router R2 and router R1. Any interface that is used between router R3 and those two routers should have EIGRP authentication configured on it.

Exam with this question: CCNP Enterprise: Advanced Routing (Version 8.0) – Routing Concepts and EIGRP Exam