Latest Cisco CCNP 642-813 SWITCH Real Exam Download 71-80

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QUESTION 71

Refer to the exhibit. BPDUGuard is enabled on both ports of SwitchA. Initially, LinkA is connected and forwarding traffic. A new LinkB is then attached between SwitchA and HubA. Which two statements about the possible result of attaching the second link are true? (Choose two.)

 

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A.        The switch port attached to LinkB does not transition to up.

B.        One or both of the two switch ports attached to the hub goes into the err-disabled state when a BPDU is received.

C.        Both switch ports attached to the hub transitions to the blocking state.

D.        A heavy traffic load could cause BPDU transmissions to be blocked and leave a switching loop.

E.         The switch port attached to LinkA immediately transitions to the blocking state.

 

Correct Answer: BD

 

 

QUESTION 72

What action should a network administrator take to enable VTP pruning on an entire management domain?

 

A.       Enable VTP pruning on any client switch in the domain.

B.       Enable VTP pruning on every switch in the domain.

C.       Enable VTP pruning on any switch in the management domain.

D.      Enable VTP pruning on a VTP server in the management domain.

 

Correct Answer: D

 

 

QUESTION 73

How does VTP pruning enhance network bandwidth?

 

A.        by restricting unicast traffic across VTP domains

B.        by reducing unnecessary flooding of traffic to inactive VLANs

C.        by limiting the spreading of VLAN information

D.        by disabling periodic VTP updates

 

Correct Answer: B

 

 

QUESTION 74

In the hardware address 0000.0c07.ac0a, what does 07.ac represent?

 

A.       vendor code

B.       HSRP group number

C.       HSRP router number

D.      HSRP well-known physical MAC address

E.       HSRP well-known virtual MAC address

 

Correct Answer: E

 

 

QUESTION 75

Refer to the exhibit. The network operations center has received a call stating that users in VLAN 107 are unable to access resources through router 1. What is the cause of this problem?

 

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A.       VLAN 107 does not exist on switch A.

B.       VTP is pruning VLAN 107.

C.       VLAN 107 is not configured on the trunk.

D.      Spanning tree is not enabled on VLAN 107.

 

Correct Answer: B

 

 

QUESTION 76

Which protocol will enable a group of routers to form a single virtual router and will use the real IP address of a router as the gateway address?

A.       Proxy ARP

B.       HSRP

C.       IRDP

D.      VRRP

E.       GLBP

 

Correct Answer: D

 

 

QUESTION 77

On a multilayer Cisco Catalyst switch, which interface command is used to convert a Layer 3 interface to a Layer 2 interface?

 

A.       switchport

B.       no switchport

C.       switchport mode access

D.       switchport access vlan vlan-id

 

Correct Answer: A

 

 

QUESTION 78

Refer to the exhibit. What can be determined about the HSRP relationship from the displayed debug output?

 

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A.       The preempt feature is not enabled on the 172.16.11.111 router.

B.       The nonpreempt feature is enabled on the 172.16.11.112 router.

C.       Router 172.16.11.111 will be the active router because its HSRP priority is preferred over router 172.16.11.112.

D.       Router 172.16.11.112 will be the active router because its HSRP priority is preferred over router 172.16.11.111.

E.        The IP address 172.16.11.111 is the virtual HSRP router IP address.

F.        The IP address 172.16.11.112 is the virtual HSRP router IP address.

 

Correct Answer: A

 

 

QUESTION 79

Refer to the exhibit. All network links are FastEthernet. Although there is complete connectivity throughout the network, Front Line users report that they experience slower network performance when accessing the server farm than the Reception office experiences. Which two statements are true? (Choose two.)

 

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A.       Changing the bridge priority of S1 to 4096 would improve network performance.

B.       Changing the bridge priority of S1 to 36864 would improve network performance.

C.       Changing the bridge priority of S2 to 36864 would improve network performance.

D.      Changing the bridge priority of S3 to 4096 would improve network performance.

E.       Disabling the Spanning Tree Protocol would improve network performance.

F.        Upgrading the link between S2 and S3 to Gigabit Ethernet would improve performance.

 

Correct Answer: BD

 

QUESTION 80

What two things occur when an RSTP edge port receives a BPDU? (Choose two.)

 

A.        The port immediately transitions to the forwarding state.

B.        The switch generates a Topology Change Notification BPDU.

C.        The port immediately transitions to the err-disable state.

D.        The port becomes a normal STP switch port.

 

Correct Answer: BD

 

 

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