What is the default HSRP priority?

A.
50

B.
100

C.
120

D.
1024

Explanation:
standby [group-number] priority priority [preempt [delay delay]] Set a priority value used in choosing the active router. The range is 1 to 255; the default priority is
100. The highest number represents the highest priority.
(Optional) group-number–The group number to which the command applies.
·
router, it assumes control as the active router.
·
(Optional) delay–Set to cause the local router to postpone taking over the active role for the shown number of seconds. The range is 0 to 36000 (1 hour); the
default is 0 (no delay before taking over).
Use the no form of the command to restore the default values.

http://www.cisco.com/en/US/docs/switches/lan/catalyst3550/software/release/12.1_19_ea1/config uration/guide/swhsrp.html#wp1044327