What is a valid HSRP virtual MAC address?

Question:
What is a valid HSRP virtual MAC address?

• 007.3313.9734
• 0000.0C07.AC15
• 0007.B400.AE01
• 0000.5E00.01A3

Explanation: With HSRP, two or more devices support a virtual router with a fictitious MAC address and unique IP address. There are two version of HSRP.

+ With HSRP version 1, the virtual router’s MAC address is 0000.0c07.ACxx , in which xx is the HSRP group. Therefore C is correct.
+ With HSRP version 2, the virtual MAC address is 0000.0C9F.Fxxx, in which xxx is the HSRP group.

Note: Another case is HSRP for IPv6, in which the MAC address range from 0005.73A0.0000 through 0005.73A0.0FFF.

(Good resource for HSRP: http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/unicast/configuration/guide/l3_hsrp.html)

Exam with this question: CCNA v3.0 (200-125) Study Guide – Exam Dumps