Cisco 352-001 ExamCCDE Written Exam

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Q51. A planned EBGP network will use OSPF to reach the EBGP peer addresses. Which of these conditions should be avoided in the design that could otherwise cause the peers to flap continuously? 

A. An ACL blocks TCP port 179 in one direction. 

B. IP addresses used to peer are also being sent via EBGP. 

C. The OSPF area used for peering is nonbackbone (not area 0). 

D. The routers are peered by using a default route sent by OSPF. 

Answer:


Q52. You are a network designer and are responsible for ensuring that the network you design is secure. How do you plan to prevent infected devices on your network from sourcing random DDoS attacks using forged source addresses? 

A. ACL-based forwarding 

B. ACL filtering by destination 

C. Unicast RPF loose mode 

D. Unicast RPF strict mode 

Answer:


Q53. Currently a service provider provides IPv4 traceroute services between MPLS PE routers. The provider wants to implement IPv6 with MPLS 6PE/6VPE and then provide parallel IPv6 traceroute services between MPLS PE routers. Which two design solutions provide this service? (Choose two.) 

A. The P routers must support ICMPv6. 

B. The PE routers must support ICMPv6. 

C. The P routers must support full IPv6. 

D. The PE routers must support full IPv6. 

Answer: BD 


Q54. 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 


Q55. As part of the network design, ACME Corporation requires the ability to export IPv6 information to better manage its network. Which version of NetFlow records is required to export this information? 

A. 5 

B. 6 

C. 7 

D. 8 

E. 9 

Answer:


Q56. 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:


Q57. A network designer has provisioned a router to use IPsec to encrypt the traffic over a GRE tunnel going to a web server at a remote location. From the router, the network designer can ping the web server, although the users in the office comment that they are unable to reach it. (Note: The DF bit is not set.) Which aspect should be changed in the design of the virtual connection? 

A. IP addresses of the GRE tunnel endpoints 

B. IPsec configuration 

C. MTU size on the GRE tunnel 

D. encapsulation of the GRE tunnel 

Answer:


Q58. 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 


Q59. Which mechanism provides a Layer 2 fault isolation between data centers? 

A. TRILL 

B. LISP 

C. advanced VPLS 

D. OTV 

E. fabric path 

Answer:


Q60. You are designing a Group Encrypted Transport Virtual Private Network solution consisting of 30 group members. Which measure helps protect encrypted user traffic from replay attacks? 

A. counter-based anti-replay 

B. time-based anti-replay 

C. nonce payload 

D. RSA-encrypted nonce 

E. digital certificates 

Answer:


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