H12-821_V1.0 · Question #124
Which of the following is the command to configure VRRP to track the status of the physical interface?
The correct answer is C. track vrp vrid 1 interface Gigabitethernet0/0/0. Option C is correct because it uses the proper syntax for VRRP interface tracking, with the track keyword positioned correctly in the command structure to instruct the router to monitor the state of the specified physical interface and adjust VRRP priority accordingly. Why the…
Question
Options
- Atrack vrp vrid 1 interface Gigabitethernet0/0/0
- Bvrp vrid 1 interface Gigabitethernet0/0/0
- Ctrack vrp vrid 1 interface Gigabitethernet0/0/0
- Dvrp vrid 1 interface Gigabitethernet0/0/0 track
How the community answered
(34 responses)- A3% (1)
- B15% (5)
- C74% (25)
- D9% (3)
Explanation
Option C is correct because it uses the proper syntax for VRRP interface tracking, with the track keyword positioned correctly in the command structure to instruct the router to monitor the state of the specified physical interface and adjust VRRP priority accordingly.
Why the distractors are wrong:
- A and C appear identical as transcribed, which suggests the original question likely has a subtle difference (e.g., "vrrp" vs "vrp", or a capitalization difference) - on the real exam, look closely at spelling; A likely contains a misspelling or incorrect keyword.
- B is wrong because it omits the
trackkeyword entirely, so the router has no instruction to monitor interface status - it would just be an incomplete or invalid command. - D is wrong because
trackis placed at the end of the command, which is incorrect syntax; the keyword must appear in the designated position within the command hierarchy, not as a trailing argument.
Memory tip: Think of track as the purpose of the command - it must be declared up front (or in the correct middle position per vendor syntax) to tell the system "I want to track something," not tacked on as an afterthought at the end. When in doubt, eliminate any option missing track entirely (B) and any option with track trailing (D).
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