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Q81. A customer wants to understand the benefits of a proposed network design that utilizes SNMPv3. Which two network threats is SNMPv3 effective against? (Choose two.) 

A. modification of information threats 

B. masquerade threats 

C. denial of service threats 

D. traffic analysis threats 

Answer: AB 

Q82. You are a network designer and have been asked to consult with your server operations team to further enhance the security of the network. The operations team provides you with these details about the network: 

A pool of servers is accessed by numerous data centers and remote sites. 

The servers are accessed via a cluster of firewalls. 

The firewalls are configured properly and are not dropping traffic. 

The firewalls occasionally cause asymmetric routing of traffic within the server data center. 

Which technology would you recommend to enhance security by limiting traffic that could originate from a hacker compromising a workstation and redirecting flows at the servers? 

A. Access control lists to limit sources of traffic that exits the server-facing interface of the firewall cluster 

B. Poison certain subnets by adding static routes to Null0 on the server farm core switches. 

C. Unicast Reverse Path Forwarding in strict mode 

D. Unicast Reverse Path Forwarding in loose mode 

Answer: D 

Q83. ACME Corporation is deploying a new HR application that requires the network infrastructure to monitor and react to certain conditions in the network. Which feature should be used to meet this design requirement? 

A. Cisco IOS Embedded Event Manager 

B. IP SLA 

C. reflexive ACLs 

D. route maps 

E. SOAP 

F. exit status 

Answer: A 

Q84. A new video multicast application is deployed in the network. The application team wants to use the 239.0.0.1 multicast group to stream the video to users. They want to know if this choice will impact the existing multicast design. What impact will their choice have on the existing multicast design? 

A. Because 239.0.0.1 is a private multicast range, a flood of PIM packets that have to be processed by the CPU and hosts will be sent by the routers in the network. 

B. Because 239.0.0.1 is a private multicast range, the rendezvous point has to send out constant group updates that will have to be processed by the CPU and hosts. 

C. The multicast application sends too many packets into the network and the network infrastructure drops packets. 

D. The 239.0.0.1 group address maps to a system MAC address, and all multicast traffic will have to be sent to the CPU and flooded out all ports. 

Answer: D 

Q85. 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? 

A. MSTP 

B. PAgP 

C. Multichassis EtherChannel 

D. LACP 

Answer: C 

Q86. You have been hired by a startup company to provide optical services using MPLS-TP. Which three options describe reasons to use the MPLS-TP standard in your design? (Choose three.) 

A. MPLS-TP is a newer packet transport technology that replaces SONET/SDH. 

B. MPLS-TP includes extensions to native MPLS OAM for fault detection, monitoring, and propagation. 

C. MPLS-TP requires a routing protocol. 

D. MPLS-TP uses an IANA assigned label 13 for OAM. 

E. MPLS-TP uses Ethernet Y.1731 OAM. 

Answer: ABD 

Q87. A company requests that you consult with them regarding the design of their production, development, and test environments. They indicate that the environments must communicate effectively, but they must be kept separate due to the inherent failures on the development network. What will be configured on the links between the networks to support their design requirements? 

A. IBGP 

B. EBGP 

C. OSPF 

D. static routes 

Answer: B 

Q88. 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 

Q89. Refer to the exhibit. 

A service provider would like to use Ethernet OAM to detect end-to-end connectivity failures between SP-SW1 and SP-SW2. In which two of these ways can you design this solution? (Choose two.) 

A. Enable Y.1731 Connectivity Fault Management on the SP switches. 

B. E-LMI PDUs must be forwarded over VPLS. 

C. Cisco Discovery Protocol PDUs must be forwarded over the VPLS. 

D. Use upward maintenance endpoints on the SP switches. 

E. Enable IEEE 802.1ag Connectivity Fault Management on the SP switches. 

Answer: DE 

Q90. An IBGP mesh design is being scoped, and in the discussions, one of the design engineers proposes the use of route reflectors. Which limitation is valid when using route reflectors in this design? 

A. The configuration complexity on the routers will be increased. 

B. Route reflectors will limit the total number of routes in the topology. 

C. Multipath information is difficult to propagate in a route reflector topology. 

D. Route reflectors will cause an opportunity to create routing loops. 

Answer: C