Huawei
H12-821_V1.0 · Question #681
When networking, in order to ensure network reliability, corresponding backup technology can be deployed according to user requirements. Which of the following descriptions of common backup…
The correct answer is C. After N+1 backup is deployed, when the primary AC fails, the AP re-establishes a CAPWAP link with the backup AC and the backup AC takes over. D. After deploying dual-link hot backup, when the main AC fails, the AP switches to the backup link and the backup AC takes over the work. See the full explanation below for the reasoning.
Question
When networking, in order to ensure network reliability, corresponding backup technology can be deployed according to user requirements. Which of the following descriptions of common backup technologies are correct? (Multiple choice)
Options
- AAfter deploying VRRP dual-machine hot backup, when the main AC fails, the backup AC will directly take over the work.
- BAfter deploying dual-link hot backup, when the main AC fails, the AP establishes a CAPWAP link with the backup AC and the backup AC takes over the work.
- CAfter N+1 backup is deployed, when the primary AC fails, the AP re-establishes a CAPWAP link with the backup AC and the backup AC takes over.
- DAfter deploying dual-link hot backup, when the main AC fails, the AP switches to the backup link and the backup AC takes over the work.
How the community answered
(27 responses)- A19% (5)
- B11% (3)
- C70% (19)
Community Discussion
No community discussion yet for this question.