Which of the following descriptions about N+1 backup is correct?

Question

Options

• AThe models and software versions of the active and standby ACs must be exactly the same.
• BThe product models of the active and backup ACs can be different, but it is recommended to ensure that the software versions of the ACs are consistent.
• CN+1 backup can also provide backup services for multiple APs, thus saving the cost of purchasing equipment, and the reliability is higher than VRRP dual-machine hot backup.
• DN+1 backup can back up and backs up AP information and STA information.

• A
  8% (3)
• B
  84% (32)
• C
  3% (1)
• D
  5% (2)

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