H12-321 試験問題を無料オンラインアクセス

In some regions, radar systems work in the 5 GHz frequency band, which interfere with radio signals of APs working in the 5 GHz frequency band. The DFS function enables APs to detect interference on their current working channels. However, the engineers need to manually switch the APs to other channels.

• A.FALSE
• B.TRUE

In which of the following figures are Fresnel zones correctly marked? (Multiple Choice)

• A.(a)
• B.(d)
• C.(c)
• D.(b)

According to the network, data traffic is transmitted in the STA-HAP-HAC-upper-layer network flow through tunnel forwarding before roaming. What is the flow direction of data traffic after Layer 3 roaming?

• A.STA-FAP-FAC-HAC-FAC-upper-layer network
• B.STA-FAP-FAC-HAC-HAP-HAC-upper-byer network
• C.STA-FAP-FAC-HAC-upper-layer network
• D.STA-FAP-FAC-upper-layer network

In which authentication mode can user information synchronized by the Agile Controller be used? (Multiple Choice)

• A.802.lx authentication
• B.Agile Controller login authentication
• C.MAC address bypass authentication
• D.Portal authentication

In Layer 3 roaming, STAs roam from one AP to another AP, and the service VLANs of the corresponding VAPs change. After roaming, data packets of the STAs are sent to the service VLAN of the AP to which STAs roam.

• A.FALSE
• B.TRUE