Which set of commands is recommended to prevent the use of a hub in the access layer?

Refer to the exhibit. An engineer must add a subnet for a new office that will add 20 users to the network.
Which IPv4 network and subnet mask combination does the engineer assign to minimize wasting addresses?

Drag and drop the TCP or UDP details from the left onto their corresponding protocols on the right.

Refer to the exhibit.

After the election process what is the root bridge in the HQ LAN?

Refer to the exhibit.

The P2P blocking action option is disabled on the WLC.