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642-813 Q&A – Mix Practice Questions (141-145)

Section 6 – Mix Practice Questions

You want to enhance the security within the Pass4sure LAN and prevent VLAN hopping. What two steps can be taken to help prevent this? (Select two)
A. Enable BPD guard
B. Disable CDP on ports where it is not necessary
C. Place unused ports in a common unrouted VLAN
D. Prevent automatic trunk configuration
E. Implement port security
Answer: CD

Refer to the exhibit. Switch 15 is configured as the root switch for VLAN 10 but not for VLAN 20. If the STP configuration is correct, what will be true about Switch 15?
A. All ports will be in forwarding mode.
B. All ports in VLAN 10 will be in forwarding mode.
C. All ports in VLAN 10 will be in forwarding mode and all ports in VLAN 20 will be in blocking mode.
D. All ports in VLAN 10 will be in forwarding mode and all ports in VLAN 20 will be in standby mode.
Answer: B

What is a characteristic of multi-VLAN access ports?
A. The port has to support STP PortFast.
B. The auxiliary VLAN is for data service and is identified by the PVID.
C. The port hardware is set as an 802.1Q trunk.
D. Both the voice service and data service use the same trust boundary.
Answer: C

You are tasked with designing a security solution for your network. What information should be gathered prior to designing the solution?
A. IP addressing design plans so that the network can be appropriately segmented to mitigate potential network threats
B. a list of the customer requirements
C. detailed security device specifications
D. results from pilot network testing
Answer: B

Which statement correctly describes the Cisco implementation of RSTP?
A. PortFast, UplinkFast, and BackboneFast specific configurations are ignored in Rapid PVST mode.
B. RSTP is enabled globally and uses existing STP configuration.
C. Root and alternative ports transition immediately to the forwarding state.
D. Convergence is improved by using sub-second timers for the blocking, listening, learning, and forwarding port states.
Answer: B