What is the effect of the send-lifetime local 23:59:00 31 December 31 2013 infinite command?

What is the effect of the send-lifetime local 23:59:00 31 December 31 2013 infinite command?
A . It configures the device to begin transmitting the authentication key to other devices at 00:00:00 local time on January 1, 2014 and continue using the key indefinitely.
B . It configures the device to begin transmitting the authentication key to other devices at 23:59:00 local time on December 31, 2013 and continue using the key indefinitely.
C . It configures the device to begin accepting the authentication key from other devices immediately and stop accepting the key at 23:59:00 local time on December 31, 2013.
D . It configures the device to generate a new authentication key and transmit it to other devices at 23:59:00 local time on December 31, 2013.
E . It configures the device to begin accepting the authentication key from other devices at 23:59:00 local time on December 31, 2013 and continue accepting the key indefinitely.
F . It configures the device to begin accepting the authentication key from other devices at 00:00:00 local time on January 1, 2014 and continue accepting the key indefinitely.

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Answer: B