Which action could have caused the following output to appear on a switch? %SPANTREE-2-
ROOTGUARDBLOCK: Port 1/1 tried to become non-designated in VLAN 77. Moved to rootinconsistent state

Refer to the exhibit. The GigabitEthernet 0/1 interfaces of Switch1 and Switch2 have been
properly configured to support trunking. On the basis of the VTP configuration commands that
have been issued on Switch1, which command set is required to properly configure VTP on
Switch2?

Refer to the exhibit. Switch A is initially the root bridge. Switch D with bridge priority of 0 is added
to the network. Which port should the Root Guard feature be configured on to prevent Switch D
from becoming the root?

Switch 1:interface port-channel 1switchportswitchport access vlan 10interface fastethernet
0/1channel-group 1 mode passiveinterface fastethernet 0/2channel-group 1 mode passiveSwitch
2:interface port-channel 1switchportswitchport access vlan 10interface fastethernet 0/1channelgroup 1 mode passiveinterface fastethernet 0/2channel-group 1 mode passiveGiven the switch
configurations, which of the following statements is correct?

Refer to the exhibit. On the basis of the information that is generated by the show commands,
which two EtherChannel statements are true? (Choose two.)

Refer to the exhibit. Which two commands would both produce the output in the exhibit? (Choose
two.)

When IP multicast is enabled via PIM, which mode uses the flood and prune method?

Which specification can associate VLAN groups to Spanning Tree instances to provide multiple
forwarding paths for data traffic and enable load balancing?

Refer to the exhibit. Assume that the default multicast configuration is being used. Which host or
hosts will receive multicast traffic sent from host A?

Which three statements are true of the Port Aggregation Protocol (PAgP)? (Choose three.)