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Q1. Which option is the primary reason to implement security in a multicast network?
A. maintain network operations
B. allow multicast to continue to function
C. optimize multicast utilization
D. ensure data streams are sent to the intended receivers
Answer: A
Q2. EIGRP uses which algorithm to build a routing table?
A. Dijkstra's algorithm
B. Floyd-Warshall algorithm
C. Diffusing Update Algorithm
D. Johnson's algorithm
Answer: C
Q3. Given the addresses 10.10.16.0/24 and 10.10.23.0/24, which option is the best summary?
A. 10.10.0.0/16
B. 10.10.8.0/23
C. 10.10.16.0/23
D. 10.10.16.0/21
Answer: D
Q4. Why is QoS important for in-band management?
A. It supports remote management when traffic volume is high.
B. It supports proper routing.
C. It supports network security against DoS attacks and worm outbreaks.
D. It supports network redundancy.
Answer: A
Q5. Which of these Layer 2 access designs does not support VLAN extensions?
A. FlexLinks
B. loop-free U
C. looped square
D. looped triangle
E. loop-free inverted U
Answer: B
Q6. Which four Cisco proprietary Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus? (Choose four.)
A. PortFast
B. UplinkFast
C. loop guard
D. root guard
E. BPDU guard
F. BackboneFast
Answer: A,C,D,E
Q7. Which IPv6 transition model should be utilized when two or more independent transition mechanisms are required?
A. tunneling
B. dual stack
C. service block
D. hybrid
E. manual
Answer: D
Q8. Which statement about data center access layer design modes is correct?
A. The access layer is the first oversubscription point in a data center design.
B. The data center access layer provides the physical-level connections to the server resources and only operates at Layer 3.
C. When using a Layer 2 looped design, VLANs are not extended into the aggregation layer.
D. When using a Layer 3 design, stateful services requiring Layer 2 connectivity are provisioned from the aggregation layer.
Answer: A
Q9. Which of the following should the Enterprise Campus network designer consider with respect to Video traffic?
A. While it is expected that the sum of all forms of video traffic will grow to over 90% by 2013, the Enterprise will be spared this rapid adoption of video by consumers through a traditional top-down approach
B. Avoid bandwidth starvation due to video traffic by preventing and controlling the wide adoption of unsupported video applications
C. Which traffic model is in use, the flow direction for the traffic streams between the application components, and the traffic trends for each video application
D. Streaming video applications are sensitive to delay while interactive video applications, using TCP as the underlying transport, are fairly tolerant of delay and jitter
Answer: C
Q10. There are 3 steps to confirm whether a range of IP addresses can be summarized. Which of the following is used in each of these 3 steps?
A. The first number in the contiguous block of addresses
B. The last number in the contiguous block of addresses
C. The size of the contiguous block of addresses
D. The subnet mask of the original network address
Answer: C
Q11. Which option is used as a top-of-rack device that is managed by its parent device, providing ease of management?
A. Cisco Nexus 2000
B. Cisco Nexus 5000
C. Cisco Nexus 7000
D. Cisco Nexus 9000
Answer: A
Q12. What is an advantage of using the Cisco FabricPath feature in a data center environment?
A. VSS does not have to be configured.
B. Transparent Interconnection of Lots of Links can be configured simultaneously.
C. Equal-Cost Multipath can be used to choose the forwarding path.
D. The control plane and management plane remain separate.
Answer: C
Q13. A designer should have which three technologies in the network before configuring MPLS Layer 3 VPNs? (Choose three.)
A. MPLS
B. LDP
C. Cisco Express Forwarding
D. VSS
E. vPC
F. VRRP
Answer: A,B,C
Q14. Which Cisco feature can be run on a Cisco router that terminates a WAN connection, to gather and provide WAN circuit information that helps switchover to dynamically back up the WAN circuit?
A. Cisco Express Forwarding
B. IP SLA
C. passive interface
D. traffic shaping
Answer: B
Q15. Which protocol is required for end-to-end signaling in an IntServ QoS architecture?
A. RSVP
B. DSCP
C. ToS
D. LLQ
E. DiffServ
Answer: A