Other than a working EIGRP configuration, which option must be the same on all routers for EIGRP authentication key rolleover to work correctly?

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#1

Other than a working EIGRP configuration, which option must be the same on all routers for EIGRP authentication key rolleover to work correctly?
A. SMTP
B. SNMP
C. Passwords
D. Time

Correct Answer: C

Explanation:

Router3(config)#key chain ROLLOVER
Router3(config-keychain)#key 1
Router3(config-keychain-key)#accept-lifetime 00:00:00 Jan 1 2013 01:00:00 Jan 1 2014
Router3(config-keychain-key)#send-lifetime 00:00:00 Jan 1 2013 01:00:00 Jan 1 2014
Router3(config-keychain)#key 2
Router3(config-keychain-key)#accept-lifetime 23:00:00 Dec 31 2013 01:00:00 Jan 1 2015
Router3(config-keychain-key)#send-lifetime 23:00:00 Dec 31 2013 01:00:00 Jan 1 2015

but it could be D. Time