At which layer of the OSI model is RSTP used to prevent loops?

Which three statements about RSTP are true? (Choose three.)

Which statement about VLAN operation on Cisco Catalyst switches is true?

Assuming the default switch configuration, which VLAN range can be added, modified, and removed on a Cisco switch?

Which two link protocols are used to carry multiple VLANs over a single link? (Choose two. )

Why will a switch never learn a broadcast address?

Which command enables RSTP on a switch?

Which two commands can be used to verify a trunk link configuration status on a given Cisco switch interface? (Choose two.)

Which two states are the port states when RSTP has converged? (Choose two. )

Which of the following are benefits of VLANs? (Choose three. )

Which IEEE standard protocol is initiated as a result of successful DTP completion in a switch over Fast Ethernet?

What are three benefits of implementing VLANs? (Choose three. )

A switch is configured with all ports assigned to VLAN 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?

Which switch would STP choose to become the root bridge in the selection process?

Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network? (Choose two.)

What is the function of the command switchport trunk native vlan 999 on a Cisco Catalyst switch?

In a switched environment, what does the IEEE 802. 1Q standard describe?

What value is primarily used to determine which port becomes the root port on each nonroot switch in a spanning-tree topology?

VLAN 3 is not yet configured on your switch. What happens if you set the switchport access vlan 3 command in interface configuration mode?

Which port state is introduced by Rapid-PVST?