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Q81. Refer to the exhibit.
ABC and XY2 MPLS VPN customers require Internet access. An ISP engineer deployed the solution on PE1 device. Which statement about CEs connectivity to Internet is true?
A. Only CE-XYZ will have connectivity
B. Neither CE will have connectivity, as IAR does not have route back to the subnet used on NAT configuration.
C. Both CEs will have connectivity.
D. Only CE-ABC will have connectivity.
E. Neither CE will have connectivity, as both CEs are using the same subnet used on NAT configuration.
Answer: D
Q82. Which Cisco IOS XR Virtualization technology provides full isolation between virtualized routing instances for extra control plane resources?
A. HVR
B. SVR
C. SDR
D. DRP
Answer: C
Explanation:
http://www.cisco.com/en/US/solutions/collateral/ns341/ns524/ns562/ns573/white_paper_c11-512753_ns573_Networking_Solutions_White_Paper.html
Q83. Refer to the exhibit.
IS-IS configuration has been deployed using the default IS-IS metric value and default IS-IS metric-style. The SP decides to implement MPLS TE in all routers, except R5. In order to maintain IS-IS adjacency between R3 and R5 without impacting reachability, which command should be configured on R3 router under the IS-IS process?
A. metric-style narrow
B. metric-style wide
C. metric-style narrow transition
D. metric-style transition
Answer: D
Q84. Refer to the exhibit.
A CE connected to a service provider has an agreement to use 512Mbps of bandwidth. Which QoS configuration must be modified to ensure that the traffic matches the agreed bandwidth?
A. Apply the same CE QoS configuration on PE on inbound direction.
B. Change the outbound direction of the service-policy to inbound for ingress traffic shaping.
C. Treat the class-default as best-effort by removing the shape average 512000 command
D. Replace the shape keyword with police keyword in both classes
E. Reconfigure the policy-map as a nested policy with the shaping applied as a parent for all child policies
Answer: E
Q85. Based on the following configuration:
Which two statements about multicast VPN configuration are true? (Choose two.)
A. The multicast tree is created based only on the existence of active sources or receivers behind PEs in the ABC VRF.
B. The service provider core network is required to support SSM.
C. Multicast needs to be enabled only on ABC VRF and is tunneled to participating PE routers in the ABC VRF.
D. The SP core network is required in order to enable the BGP Multicast Address Family on all peering.
E. Multicast is required for the core network in addition to the ABC VRF.
F. The multicast tree exists regardless of whether there are any active sources or receivers in the ABC VRF.
Answer: E,F
Explanation: http://www.ciscopress.com/articles/article.asp?p=32100&seqNum=4
http://www.cisco.com/en/US/tech/tk828/technologies_white_paper09186a00800a3db6.sht ml
Q86. A telecom company offers ISPs the ability to resell dynamic IP broadband services over its local loops, but it does not allow the resellers to install broadband network gateways. If an ISP wants to become a reseller but is unable to use NHRP, which tunneling protocol should be implemented?
A. IP in IP
B. IPsec
C. L2TP
D. GRE
Answer: C
Explanation:
However, while OpenVPN can not be used with VoIP, L2TP can be used for VoIP. Only use this if OpenVPN is not available and you are in need of very high security/encryption.
Q87. In a multi-VRF scenario using OSPF as PE-CE routing protocol, which Cisco IOS command allows the CE to accepts routes from PE inside of each VRF?
A. router ospf <process id> vrf<vrf name> capability vrf-lite
B. router ospf<process id> vrf<vrf name> domain-id <value>
C. router ospf <process id> domain-id <value>
D. router ospf <process id> capability vrf-lite
Answer: A
Q88. What is the main advantage of H-VPLS over VPLS?
A. H-VPLS provides redundancy.
B. H-VPLS provides security.
C. H-VPLS improves the scalability.
D. H-VPLS allows a broader use of protocols.
Answer: C
Explanation:
http://www.cisco.com/en/US/products/ps6603/products_white_paper09186a00801ed506.s html
Q89. An engineer is tasked with configuring Lawful-Intercept on the Internet facing routers. Which two security issues must the engineer take into consideration? (Choose two)
A. Default SNMP does not include all the MIB references needed to respond to the request.
B. A new and dedicated loopback interface is required to communicate with the MD device.
C. Encryption might be required depending on the request.
D. The communication between the MD and the Content IAP happens over UDP port 161.
E. QoS and CoPP should be implemented to protect and optimize the tasks.
F. SNMFV2c should be enabled in order to provide the correct message format.
Answer: A,D
Q90. Refer to the exhibit.
A service provider is using the configuration to determine traffic paths based on MPLS EXP markings. Which technology is being implemented?
A. MPLS TE FRR
B. CBTS
C. IP FRR
D. MPLS TE
E. PBTS
F. DS-TE
Answer: B