The Secret of 352-001 test question

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Q21. Refer to the exhibit. 

Service Provider A and Service Provider B have agreed to a strategic interconnect relationship that will allow them access into each other's geographies by using an inter-AS eBGP VPNv4 multihop between route reflectors. Which two options will accomplish this scenario? (Choose two.) 

A. RR 1 and RR 2 peer using multihop eBGP VPNv4 to exchange prefixes. 

B. ASBR 1 and ASBR 2 act as inline route reflectors that set themselves as the next-hop. 

C. An LSP is formed between ASBR 1 and ASBR 2 using eBGP IPv4. 

D. An LSP is formed between ASBR 1 and ASBR 2 using eBGP VPNv4. 

E. RR 1 and RR 2 peer using multihop eBGP IPv4 to exchange prefixes. 

Answer: AC 

Q22. What should be taken into consideration when designing IPsec networks using Authentication Header (AH)? 

A. NAT 

B. transform set 

C. crypto maps 

D. ISAKMP 

Answer: A 

Q23. Refer to the exhibit. 

In this network design, where should summarization occur to provide the best summarization and optimal paths during a single-failure incident as well as during normal operation? 

A. a single identical summary for all the branch offices placed on routers 1A, 1B, 2A, and 2B 

B. two summaries on 1A and 1B, and two summaries on 2A and 2B 

C. a single identical summary on 3A and 3B 

D. a single summary on each aggregation device for the branches connected to them 

Answer: C 

Q24. There is an MPLS-enabled link constantly flapping on an MPLS VPN network. Given that the network runs OSPF as the IGP protocol, which design mechanism will stabilize the network and avoid constant reconvergences? 

A. BFD 

B. IP Event Dampening 

C. OSPF fast hellos 

D. partial SPF 

Answer: B 

Q25. Refer to the exhibit. 

On this MPLS-based network ring, links have failed between router A and router E. These failures formed microloops while the network converged, when A forwarded traffic to B but B forwards it back to A. 

Which technology is the simplest solution to avoid microloops without enabling a new protocol in the network? 

A. TE Fast ReRoute 

B. IP Fast ReRoute 

C. Loop-Free Alternate 

D. Remote Loop-Free Alternate 

Answer: D 

Q26. Which mechanism provides a Layer 2 fault isolation between data centers? 

A. TRILL 

B. LISP 

C. advanced VPLS 

D. OTV 

E. fabric path 

Answer: D 

Q27. Service provider XYZ plans to provide dedicated Internet access and MPLS L3VPN services to business customers. XYZ has these design specifications: 

.  MP-BGP running on the core MPLS P routers with external Internet routes. 

. The core network will include 16 Point of Presence IP POPs throughout the Asia-Pacific region. . An additional nine non-P routers will use EBGP peering with multiple providers for Internet traffic. . An additional 50 PE routers will provide end customers with dedicated Internet access and L3VPN services throughout the Asia-Pacific region. 

In what two ways can the MP-BGP be removed from the MPLS P core routers and still provide dedicated Internet access and MPLS L3VPN services? (Choose two.) 

A. Disable BGP from the MPLS core P routers and have the MPLS core P routers run OSPF and LDP. 

B. Enable separate BGP control plane routers using a route reflector server concept that will be fully meshed with peer route reflector servers and have clients as MPLS PE routers and EBGP peering routers. 

C. Enable all EBGP routers as route reflector servers and MPLS PE routers as their clients. 

D. It is not possible to disable BGP from the MPLS core P routers without impacting the dedicated Internet access and MPLS L3VPN services. 

Answer: BC 

Q28. A service provider has a Resilient Ethernet Protocol ring running as a metro backbone between its locations in one city. A customer wants to connect one site with one box redundant to theResilient Ethernet Protocol ring at two different service provider locations. How can this be done without producing any Layer 2 loops within the network design? 

A. Spanning tree at the service provider side only must be enabled. 

B. Spanning tree at the customer side only must be enabled. 

C. Flex Links at the service provider side only must be enabled. 

D. Flex Links at the customer side only must be enabled. 

E. EtherChannel at the service provider side and the customer side must be enabled. 

F. Spanning tree at the service provider side and the customer side must be enabled. 

G. Flex Links at the service provider side and the customer side must be enabled. 

Answer: D 

Q29. How should multiple OSPF areas be designed when deployed on a classic three-layer (core/distribution/access) network hierarchy? 

A. The OSPF flooding domain boundary should be at the edge of the core layer. 

B. The OSPF flooding domain boundary should be within the distribution layer. 

C. OSPF should generally be deployed in a three-layer domain hierarchy to align with the physical three-layer hierarchy. 

D. OSPF flooding domain boundaries should be placed with route aggregation in mind. 

Answer: D 

Q30. Refer to the exhibit. 

This diagram depicts the design of a small network that will run EIGRP on R1 and R2, and EIGRP Stub on R3. In which two ways will this network be impacted if there is link instability between R1 and R2? (Choose two.) 

A. R1 will have routes in its routing table that originate from R2 and R3. 

B. R3 will have routes in its routing table that originate from R1 and R2. 

C. R2 will have routes in its routing table that originate from R1 and R3. 

D. R3 will be transit for traffic between R1 and R2. 

E. R3 will not be transit for traffic between R1 and R2. 

Answer: BE