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Q21. Which of the following is a result when designing multiple EIGRP autonomous systems within the Enterprise Campus network? 

A. Improves scalability by dividing the network using summary routes at AS boundaries 

B. Decreases complexity since EIGRP redistribution is automatically handled in the background 

C. Reduces the volume of EIGRP queries by limiting them to one EIGRP AS 

D. Scaling is improved when a unique AS is run at the Access, Distribution, and Core layers of the network 

Answer:


Q22. Click the Exhibit button. 

Refer to the exhibit. Which Layer 2 feature detects a link failure between the switch and router B that decreases OSPF reconvergence to approximately 50 milliseconds? 

A. BFD 

B. UDLD 

C. RSTP 

D. PVST+ 

Answer:


Q23. What data center network layer provides service module integration, Layer 2 domain definitions, and default gateway redundancy? 

A. core 

B. aggregation 

C. access 

D. edge 

Answer:


Q24. Which option is a benefit of the vPC+ feature? 

A. Cisco FabricPath is not required in the network domain. 

B. This feature provides fault domain separation. 

C. Nonfabric devices, such as a server or a classic Ethernet switch, can be connected to two fabric switches that are configured with vPC. 

D. The control plane and management plane are combined into one logical plane. 

Answer:


Q25. An HSRP design requirement states that preemption must be enabled for the active switch, which is a Cisco 4507R. Assume a boot time of 300 seconds. Which setting of the preemption delay timer minimizes the loss of traffic? 

A. 50 seconds 

B. 100 seconds 

C. 150 seconds 

D. 200 seconds 

Answer:


Q26. With respect to address summarization, which of the following statements concerning IPv4 and IPv6 is true? 

A. The potential size of the IPv6 address blocks suggests that address summarization favors IPv6 over IPv4. 

B. Role based addressing using wildcard masks to match multiple subnets is suitable for IPv4, but unsuitable for IPv6. 

C. In order to summarize, the number of subnets in the IPv4 address block should be a power of 2 while the number of subnets in the IPv6 address block should be a power of 64. 

D. WAN link addressing best supports summarization with a /126 subnet for IPv4 and a /31 for IPv6. 

Answer:


Q27. DRAG DROP 

Answer: 


Q28. 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:


Q29. Refer to the exhibit. 

The network engineer wants to ensure that receiver A does not receive traffic from the video conference. 

For multicast traffic, where must the filtering be placed to fulfill that requirement? 

A. R1 

B. Video Conference 

C. A 

D. S1 

E. R2 

Answer:


Q30. Which option maximizes EIGRP scalability? 

A. route redistribution 

B. route redundancy 

C. route filtering 

D. route summarization 

Answer: