A.False

B.True

A.Dual-link backup technology improves network reliability and ensures business stability in important nodes of the network.

B.The network service configuration on the active and standby ACs must be consistent.

C.The standby AC should always be in the power-on state.

D.In the process of establishing an active/standby link between the AP and the active and standby ACs, the link established first must be the primary link.

A.802.11e

B.802.11a

C.802.11s

D.802.11g

A.Beacon frame

B.Authentication frame

C.Probe Request frame

D.Association Request frame

A.2.445 GHz-2.475 GHz

B.2.471 GHz-2.497 GHz

C.2.4465 GHz-2.4835 GHz

D.2.4 GHz-2.4835 GHz