Routers R1 and R2 are EIGRP neighbors using their Fa0/0 interfaces, respectively. An
engineer adds the ip hello-interval eigrp 9 6 command to R1’s Fa0/0 configuration.
Which of the following is true regarding the results from this change?

A.
The show ip eigrp neighbors command on R1 lists the revised Hello timer.

B.
The show ip eigrp interfaces command on R1 lists the revised Hello timer.

C.
The R1-R2 neighborship fails due to Hello timer mismatcH.

D.
The show ip eigrp interfaces detail command on R1 lists the revised Hello timer.

Explanation:
The show ip eigrp interfaces detail command does display a router’s EIGRP Hello timer
setting for each enabled interface. The other listed commands do not display the timer. Also,
EIGRP routers do not have to have matching Hello timers to become neighbors.