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642-813 Q&A – Mix Practice Questions (136-140)

Section 6 – Mix Practice Questions

Given the above diagram and assuming that STP is enabled on all switch devices, which two statements are true? (Choose two.)

A. DSW11 will be elected the root bridge.
B. DSW12 will be elected the root bridge.
C. ASW13 will be elected the root bridge.
D. P3/1 will be elected the nondesignated port.
E. P2/2 will be elected the nondesignated port.
F. P3/2 will be elected the nondesignated port.
Answer: AD

When configuring a routed port on a Cisco multilayer switch, which of these is a required configuration task that you must perform to enable that port to function as a routed port?
A. Enable the switch to participate in routing updates from external devices with the router command in global configuration mode.
B. Enter the no switchport command to disable Layer 2 functionality at the interface level.
C. Each port participating in routing of Layer 3 packets must have an IP routing protocol assigned on a perinterface level.
D. Routing is enabled by default on a multilayer switch, so the port can become a Layer 3 routing interface by assigning the appropriate IP address and subnet information.
Answer: B

A network is deployed using best practices of the enterprise campus network model, including users with desktop computers connected via IP phones. Given that all components are QoS-capable, where are the two optimal locations for trust boundaries to be configured by the network administrator? (Choose two.)
A. host
B. IP phone
C. access layer switch
D. distribution layer switch
E. core layer switch
Answer: BC

Wireless has been operating correctly in the campus infrastructure. After the wireless controllers are upgraded from LWAPP to CAPWAP, access points no longer boot and operate normally. What is the most likely issue causing this problem?
A. VLAN assignments
B. DHCP option 43
C. PoE
E. QoS
Answer: D

What is the result of entering the command spanning-tree loopguard default?
A. The command enables both loop guard and root guard.
B. The command changes the status of loop guard from the default of disabled to enabled.
C. The command activates loop guard on point-to-multipoint links in the switched network.
D. The command will disable EtherChannel guard.
Answer: B