The wireless access controller (AC, Access Cntroller) is the unified management and control device in the FIT AP architecture. Which of the following description of the role of AC is wrong?

The administrator wants all hosts to be unable to access the Internet between 8:00-17:00 every day, so which ACL rule needs to be bound to the traffic-filter outbound in the GO/0/1 interface allocation?

The network administrator uses Ping to test the connectivity of the network. Which of the following protocols may be used in this process? (Multiple choice)

In the network shown in the figure below, host A is not configured with a gateway, and host B has the ARP cache of the gateway. Use the command ping 11.0.12.1 on host A.
Which of the following statements are correct?

What equipment is generally involved in the wlan deployment scheme in the enterprise scenario? (Multiple choice)