Exam Name : Building Cisco Multilayer Switched Networks
Questions and Answers : 227 Q&As
Update Time: 2010-06-22
642-812 Price: $ 120.00
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642-812 Exam Topics
Implement Inter-VLAN routing.
Explain and configure Inter-VLAN routing (i.e., SVI and routed ports).
Explain and enable CEF operation.
Verify or troubleshoot InterVLAN routing configurations.
Implement gateway redundancy technologies.
Explain the functions and operations of gateway redundancy protocols (i.e., HSRP, VRRP, and GLBP).
Configure HSRP, VRRP, and GLBP.
Verify High Availability configurations.
642-812 Exam Free Demo
3. Which statement is true about RSTP topology changes?
A. Any change in the state of the port generates a TC BPDU.
B. Only nonedge ports moving to the forwarding state generate a TC BPDU.
C. If either an edge port or a nonedge port moves to a block state, then a TC BPDU is generated.
D. Only nonedge ports moving to the blocking state generate a TC BPDU.
E. Any loss of connectivity generates a TC BPDU.
Answer: B
4. Refer to the exhibit. What is the effect when the switchport priority extend cos 3 command is configured on the switch port interface connected to the IP phone?
A. Effectively, the trust boundary has been moved to the PC attached to the IP phone.
B. The computer is now establishing the CoS value and has effectively become the trust boundary.
C. The IP phone is enabled to override with a CoS value of 3 the existing CoS marking of the PC attached to the IP phone.
D. The switch will no longer tag incoming voice packets and will extend the trust boundary to the distribution layer switch.
E. RTP will be used to negotiate a CoS value based upon bandwidth utilization on the link.
Answer: C
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