By default, what virtual MAC address does HSRP group 22 use?
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Correct answer: 00:00:0c:07:ac:16.
Why this is the answer
The correct answer is 00:00:0c:07:ac:16. HSRP (Hot Standby Router Protocol) uses a specific MAC address format: 00:00:0c:07:ac:XX, where XX is the HSRP group number in hexadecimal. For HSRP group 22, the decimal value 22 converts to hexadecimal 16. Therefore, the virtual MAC address is 00:00:0c:07:ac:16. The other options are incorrect because they either use an incorrect vendor prefix (c0:41:99 or c0:07:0c) or incorrectly convert the group number to hexadecimal (00:00:0c:07:ac:22 uses decimal 22 directly instead of its hexadecimal equivalent).
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