Specifications

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QUESTION 15
Why is BPDU guard an effective way to prevent an unauthorized rogue switch from altering the
spanning- tree topology of a network?
A. BPDU guard can guarantee proper selection of the root bridge.
B. BPDU guard can be utilized along with PortFast to shut down ports when a switch is
connected to the port.
C. BPDU guard can be utilized to prevent the switch from transmitting BPDUs and incorrectly
altering the root bridge election.
D. BPDU guard can be used to prevent invalid BPDUs from propagating throughout the
network.
Correct Answer: B
QUESTION 16
What two steps can be taken to help prevent VLAN hopping? (Choose two.)
A. Place unused ports in a common unrouted VLAN.
B. Enable BPDU guard.
C. Implement port security.
D. Prevent automatic trunk configurations.
E. Disable Cisco Discovery Protocol on ports where it is not necessary.
Correct Answer: AD
QUESTION 17
Refer to the exhibit. Assume that Switch_A is active for the standby group and the standby device
has only the default HSRP configuration. Which statement is true?