What criteria is used first during the root port selection process?

Refer to the exhibit.

An engineer is updating the R1 configuration to connect a new server to the management network. The PCs on the management network must be blocked from pinging the default gateway of the new server. Which command must be configured on R1 to complete the task?

A Cisco engineer must configure a single switch interface to meet these requirements
* accept untagged frames and place them in VLAN 20
* accept tagged frames in VLAN 30 when CDP detects a Cisco IP phone
Which command set must the engineer apply?
A)

B)

C)

D)

An engineer observes high usage on the 2.4GHz channels and lower usage on the 5GHz channels. What must be configured to allow clients to preferentially use 5GH2 access points?

What is the benefit of using FHRP?