Cisco CCNP 642-813 Exam Questions 21


Which Cisco IOS command globally enables port-based authentication on a switch?

A. aaa port-auth enable
B. radius port-control enable
C. dot1x system-auth-control
D. switchport aaa-control enable

Correct Answer: C

Which two steps are necessary to configure inter-VLAN routing between multilayer switches? (Choose two.)

A. Configure a dynamic routing protocol.
B. Configure SVI interfaces with IP addresses and subnet masks.
C. Configure access ports with network addresses.
D. Configure switch ports with the autostate exclude command.
E. Document the MAC addresses of the switch ports.

Correct Answer: A,B

Which statement correctly describes enabling BPDU guard on an access port that is also enabled for PortFast?

A. Upon startup, the port transmits 10 BPDUs. If the port receives a BPDU, PortFast and BPDU guard are disabled on that port and it assumes normal STP operation.
B. The access port ignores any received BPDU.
C. If the port receives a BPDU, it is placed into the error-disable state.
D. BPDU guard is configured only globally and the BPDU filter is required for port-level configuration.

Correct Answer: C

Which statement about the Port Aggregation Protocol is true?

A. Configuration changes made on the port-channel interface apply to all physical ports assigned to the port-channel interface.
B. Configuration changes made on a physical port that is a member of a port-channel interface apply to the port-channel interface.
C. Configuration changes are not permitted with Port Aggregation Protocol. Instead, the standardized Link Aggregation Control Protocol should be used if configuration changes are required.
D. The physical port must first be disassociated from the port-channel interface before any configuration changes can be made.

Correct Answer: A

In which three HSRP states do routers send hello messages? (Choose three.)

A. standby
B. learn
C. listen
D. speak
E. active

Correct Answer: A,D,E

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