H12-821_V1.0 · Question #327
Which of the following descriptions about roaming group servers is incorrect?
The correct answer is A. After an AC is set as a roaming group server, it will join the roaming group by default and can manage other ACs. Option A is incorrect because designating an AC as a roaming group server does not automatically make it a member of the roaming group - membership must be configured separately. The server role and the member role are distinct: the server manages the group without being…
Question
Options
- AAfter an AC is set as a roaming group server, it will join the roaming group by default and can manage other ACs.
- BAn AC can serve as the roaming group server for multiple roaming groups at the same time.
- CThe roaming group server needs to maintain the membership table of the roaming group.
- DThe roaming group server manages each AC through the CAPWAP tunnel.
How the community answered
(37 responses)- A76% (28)
- B3% (1)
- C8% (3)
- D14% (5)
Explanation
Option A is incorrect because designating an AC as a roaming group server does not automatically make it a member of the roaming group - membership must be configured separately. The server role and the member role are distinct: the server manages the group without being enrolled in it by default.
Options B, C, and D are all accurate descriptions of roaming group server behavior. An AC can simultaneously act as the server for multiple roaming groups (B). The server is responsible for maintaining the membership table, which tracks which ACs belong to the group (C). Communication between the roaming group server and the ACs it manages occurs over CAPWAP tunnels, which is the standard control protocol in this architecture (D).
Memory tip: Think of the roaming group server like an administrator who runs a club but is not automatically a club member - you have to sign up separately. The confusion in option A is the word "by default," which is the trap.
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