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Q61. ACME Corporation is integrating IPv6 into their network, which relies heavily on multicast distribution of data. Which two IPv6 integration technologies support IPv6 multicast? (Choose two.) 

A. 6VPE 

B. 6PE 

C. dual stack 

D. ISATAP 

E. 6to4 

F. IPv6INIP 

Answer: CF 

Q62. You are evaluating convergence characteristics of various interior gateway protocols for a new network design. Which technology allows link-state routing protocols to calculate paths to destination prefixes that are functionally similar to feasible successors in Enhanced Interior Gateway Routing Protocol? 

A. Incremental Shortest Path First 

B. Cisco Multiprotocol Label Switching Traffic Engineering Fast Reroute 

C. Loop-Free Alternate Fast Reroute 

D. partial route calculation 

E. Fast-Flooding 

Answer: C 

Q63. When you design a network, when would it be required to leak routes into a Level 1 area? 

A. when a multicast RP is configured in the nonbackbone area 

B. when MPLS L3VPN PE devices are configured in the Level 1 areas 

C. when equal cost load balancing is required between the backbone and nonbackbone areas 

D. when unequal cost load balancing is required between the backbone and nonbackbone areas 

Answer: B 

Q64. During a network design review, it is recommended that the network with a single large area should be broken up into a backbone and multiple nonbackbone areas. There are differing opinions on how many ABRs are needed for each area for redundancy. What would be the impact of having additional ABRs per area? 

A. There is no impact to increasing the number of ABRs. 

B. The SPF calculations are more complex. 

C. The number of externals and network summaries are increased. 

D. The size of the FIB is increased. 

Answer: C 

Q65. A company plans to include Nonstop Forwarding and Bidirectional Forwarding Detection as a part of their network redundancy plan. In which two ways do NSF and BFD work together when different hardware platforms are compared? (Choose two.) 

A. During supervisor engine or routing engine failover, the NSF feature will always ensure that the BFD at the peer router will not trigger a link down independent of the used hardware platform. 

B. At some hardware platforms, BFD and NSF are not supported together. During supervisor engine or routing engine failover, the BFD at the peer router will trigger a link down. 

C. To ensure that BFD at the peer router will not trigger a link down during NSF, the BFD packets must be processed fast enough, and, during supervisor engine or routing engine failover, by processing the BFD independent from the supervisor engine or routing engine. 

D. Because BFD is always processed at the line cards (not at the supervisor engine or routing engine), a supervisor engine or routing engine failover will not affect the BFD peer router. 

E. Because BFD is always processed at the supervisor engine or routing engine, a supervisor engine or routing engine failover will always trigger a link down at the peer router. 

Answer: BC 

Q66. A Service Provider is designing a solution for a managed CE service to a number of local customers using a single CE platform and wants to have logical separation on the CE platform using Virtual Routing and Forwarding (VRF) based on IP address ranges or packet length. Which is the most scalable solution to provide this type of VRF Selection process on the CE edge device? 

A. Static Routes for Route Leaking 

B. Policy Based Routing 

C. Multi-Protocol BGP 

D. OSPF per VRF Instance 

Answer: B 

Q67. You are designing an Out of Band Cisco Network Admission Control, Layer 3 Real-IP Gateway deployment for a customer. Which VLAN must be trunked back to the Clean Access Server from the access switch? 

A. untrusted VLAN 

B. user VLAN 

C. management VLAN 

D. authentication VLAN 

Answer: A 

Q68. Refer to the exhibit. 

Your company designed a network to allow server VLANs to span all access switches in a data center. In the design, Layer 3 VLAN interfaces and HSRP are configured on the aggregation switches. Which two features will improve STP stability within the network design? (Choose two.) 

A. BPDU guard on access ports 

B. Edge port on access ports 

C. Root guard on access ports 

D. BPDU guard on the aggregation switch downlinks toward access switches 

E. Root guard on the aggregation switch downlinks toward access switches 

F. Access switch pairs are explicitly determined to be root and backup root bridges 

Answer: AE 

Q69. Refer to the exhibit. 

What limitations exist in this design, given that the access layer devices are expected to steadily increase by two devices per week for the next year? 

A. scalability 

B. serviceability 

C. redundancy 

D. resiliency 

Answer: A 

Q70. Refer to the exhibit. 

A customer runs OSPF with Area 5 between its aggregation router and an internal router. When a network change occurs in the backbone, Area 5 starts having connectivity issues due to the SPF algorithm recalculating an abnormal number of times in Area 5. You are tasked to redesign this network to increase resiliency on the customer network with the caveat that Router B does not support the stub area. How can you accomplish this task? 

A. Set Area 5 to stubby at the ABR anyway. 

B. Increase the bandwidth on the connection between Router A and Router B. 

C. Turn on LSA throttling on all devices in Area 5. 

D. Implement LSA filtering on the ABR, allowing summary routes and preventing more specific routes into Area 5. 

E. Create a virtual link to Area 0 from Router B to the ABR. 

Answer: D