In the N+1 backup scenario, which of the following statements about the active/standby switchover function is correct? (Multiple choice)

Question

Options

• ABy default, the global switchback function of the standby AC is enabled.
• BBy default, the global switchback function of the standby AC is disabled
• CThe N+1 backup scenario does not support the backup AC to turn off the active/standby switch.
• DIn N+1 backup scenario, the backup AC is supported to turn off the active/standby switching

• A
  72% (13)
• B
  11% (2)
• C
  17% (3)

Explanation

In N+1 backup, one standby AC protects multiple active ACs. By default, the standby AC has its global switchback function enabled (A), meaning APs automatically return to the recovered active AC once it comes back online - this is the out-of-the-box behavior. Additionally, administrators are supported in turning off the active/standby switching on the backup AC (D), giving operators control over whether automatic failover occurs at all.

Option B is wrong because it directly contradicts A - the default state is enabled, not disabled. Option C is wrong because it claims the feature cannot be disabled, when in fact D confirms that disabling it is a supported configuration.

Memory tip: Default equals enabled for switchback - think of it as "safe by default, configurable by choice." If you remember that D confirms operator control exists, you can eliminate C immediately, and since A and B are opposites, knowing the default is "on" locks in A over B.

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