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QUESTION 142
Which protocol specified by RFC 2281 provides network redundancy for IP networks, ensuring that user traffic immediately and transparently recovers from first-hop failures in network edge devices or access circuits?
A. STP
B. IRDP
C. ICMP
D. HSRP

Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 143
A medium-sized network with a redundant topology that uses core and access switches is experiencing intermittent end-station accessibility. The root bridge is on one of the core switches. It is determined that the problem occurs during STP convergence and that accessibility issues depend on the STP state of the individual switch port. What is the best way to decrease STP convergence time in this situation?

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QUESTION 121
Which specification can associate VLAN groups to Spanning Tree instances to provide multiple forwarding paths for data traffic and enable load balancing?
A. IEEE 802.1w (RSTP)
B. IEEE 802.1s (MST)
C. IEEE 802.1d (STP)
D. IEEE 802.1Q (CST)

Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 122
What is the purpose of a rendezvous point (RP)?
A. acts as a meeting place for sources and receivers of multicast traffic
B. used in PIM dense mode to create a database of all multicast sources
C. used in PIM dense and sparse mode to create a database of all multicast sources
D. acts as the designated router for a broadcast segment when multicast routing is enabled

Correct Answer: A Section: (none) Explanation
Explanation/Reference: QUESTION 123
What will be the effect of applying the VLAN access map configuration on a switch?Router(config)# vlan access-map thor 10Router(config-access-map)# match ip address net_10Router(config-access-map) #action forwardRouter(config-access-map)#exitRouter(config)# vlan filter thor vlan-list 12-16
A. All VLAN 12 through 16 IP traffic matching net_10 is forwarded and all other IP packetsare dropped.

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QUESTION 66
Examine the diagram. A network administrator has recently installed the above switched network using 3550s and would like to control the selection of the root bridge. Which switch should the administrator configure as the root bridge and which configuration command must the administrator enter to accomplish this?

A. DSW11(config)# spanning-tree vlan 1 priority 4096
B. DSW12(config)# set spanning-tree priority 4096
C. ASW13(config)# spanning-tree vlan 1 priority 4096
D. DSW11(config)# set spanning-tree priority 4096
E. DSW12(config)# spanning-tree vlan 1 priority 4096
F. ASW13(config)# set spanning-tree priority 4096

Correct Answer: E Section: (none) Explanation
Explanation/Reference:
QUESTION 67
When IP multicast is enabled via PIM, which mode usesthe flood and prune method?

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Exam A
QUESTION 1
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 Section: (none) Explanation
Explanation/Reference:
QUESTION 2
Refer to the exhibit.
On the basis of the information provided in the exhibit, which two sets of procedures are best practices for
Layer 2 and 3 failover alignment? (Choose two.)
A. Configure the D-SW1 switch as the active HSRP router and the STP root for all VLANs. Configure the D-SW2 switch as the standby HSRP router and backup STP root for all VLANs.

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