Cisco 352-001 ExamCCDE Written Exam

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Q41. You are identifying performance management requirements for a VoIP migration. What three key performance indicators would you use to track media quality? (Choose three.) 

A. delay 

B. trunk group usage 

C. jitter 

D. packet loss 

E. call processing (call detail records) 

F. call processing (performance counters) 

G. echo 

H. crosstalk 

Answer: ACD 

Q42. Refer to the exhibit. 

In this design, which technology would provide for the best use of resources to provide end-to-end Layer 2 connectivity? 


B. PAgP 

C. Multichassis EtherChannel 



Q43. In which two ways is IPv4 and IPv6 traffic handled in a network design that uses QoS deployment options? (Choose two.) 

A. IPv6 and IPv4 traffic is treated in the same way by using a single QoS policy that classifies and matches on both protocols. 

B. IPv6 traffic is treated differently than IPv4 by using the flow-label field, which is built into the IPv6 packet header. 

C. IPv6 traffic does not require QoS because it uses to the flow-label field, which classifies and matches on the IPv6 protocol. 

D. IPv6 traffic is treated differently than IPv4 by using two different QoS policies. 

E. IPv6 traffic is treated differently than IPv4 because it uses only the DSCP value and not the IP precedence. 

Answer: AD 

Q44. 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 

Q45. When designing a WAN that will be carrying real-time traffic, what are two important reasons to consider serialization delay? (Choose two.) 

A. Serialization delays are variable because they depend on the line rate of the interface and on the type of the packet being serialized. 

B. Serialization delay depends not only on the line rate of the interface but also on the size of the packet. 

C. Serialization delays are invariable because they depend only on the line rate of the interface. 

D. Serialization delays are variable because they depend only on the size of the packet being serialized. 

E. Serialization delay is the time required to transmit the packet on the physical media. 

Answer: BE 

Q46. A large enterprise customer is migrating thousands of retail offices from legacy TDM circuits to an Ethernet-based service. The network is running OSPF and has been stable for many years. It is now possible to backhaul the circuits directly to the data centers, bypassing the regional aggregation routers. Which two networking issues need to be addressed to ensure stability with the new design? (Choose two.) 

A. Nothing will change if the number of offices is the same. 

B. Nothing will change if the number of physical interfaces stays the same. 

C. The RIB will increase significantly. 

D. The FIB will increase significantly. 

E. The amount of LSA flooding will increase significantly. 

F. The size of the link-state database will increase significantly. 

Answer: EF 

Q47. 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. 


Q48. 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 


Q49. What are three key design principles when using a classic hierarchical network model? (Choose three.) 

A. The core layer controls access to resources for security. 

B. The core layer should be configured with minimal complexity. 

C. The core layer is designed first, followed by the distribution layer and then the access layer. 

D. A hierarchical network design model aids fault isolation. 

E. The core layer provides server access in a small campus. 

F. A hierarchical network design facilitates changes. 

Answer: BDF 

Q50. Refer to the exhibit. 

You are designing a spanning-tree network for a small campus. Which two of these options would result in a trouble-free spanning-tree network design? (Choose two.) 

A. Convert all ports to trunk ports, prune off the VLANs that you do not require, and minimize the number of blocking ports. 

B. Introduce Layer 3 VLANs (SVIs) and prune off the VLANs that you do not require. 

C. Convert all the ports to trunk and enable BackboneFast. 

D. Convert all the ports to trunk and enable UplinkFast between all the links. 

Answer: AB 

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