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Q21. What is the PPMP label used for? 

A. for the ingress replication model with BIDIR-PIM in an overlay model 

B. only for the inter-AS mVPN models that use mLDP 

C. for the partitioned mVPN model with PIM signaling in an overlay model 

D. only for unicast over MPLS VPN 

E. for all the default MDT and mVPN models 


Explanation: http://lostintransit.se/tag/bgp/ 


Q22. Refer the exhibit. Two Autonomous Systems are enabled to support multicast. An engineer wants to set up configuration so that a multicast client at AS 100 can receive multicast traffic from the M-Server at AS 200. However, the RP announcements must be limited within each autonomous system site. Which Cisco IOS configuration achieves this goal? 

A. On both ASBRs Eth0/0 and the no ip pim sparse-mode command. 

B. On both ASBRs add the ip pim send-rp-discovery scope 1 command. 

C. On both RPs add the ip pim send-rp-discovery scope 2 command. 

D. On both ASBRs Eth0/0 add the ip pim bsr-border command. 

E. On both ASBRs Eth0/0 add the ip pim dense-mode command. 

F. On both RPs add the ip pim bsr-border command. 



http://www.cisco.com/c/en/us/td/docs/ios/12_2/ipmulti/command/reference/fiprmc_r/1rfmult2.html#wp1050039 It filters the BSR message: http://tools.ietf.org/html/rfc5059#section-4.1 

Q23. Refer to the exhibit. Both MPLS TE tunnel 14 and MPLS TE tunnel 124 pass over the same physical links. Which configuration on R1 enables TE 14 to be the primary tunnel and TE 124 to become active when TE 14 is admin disabled? 

A. Interface Tunnel14 

tunnel mpls traffic-eng priority 3 1 

Interface Tunnel124 

tunnel mpls traffic-eng priority 5 4 

B. Interface Tunnel14 

tunnel mpls traffic-eng priority 4 1 

`Interface Tunnel124 

tunnel mpls traffic-eng priority 3 2 

C. Interface Tunnel14 

tunnel mpls traffic-eng priority 7 7 

Interface Tunnel124 

tunnel mpls traffic-eng priority 1 1 

D. Interface Tunnel14 

tunnel mpls traffic-eng priority 3 2 

Interface Tunnel124 

tunnel mpls traffic-eng priority 4 1 


Q24. In a routing virtualization concept, which are the two main techniques for creating vitalized router entities as defined by their physical and operational characteristics? (Choose two.) 






Answer: A,B 

Q25. A Service Provider wants to extend MPLS WAN endpoints in the cloud at the edge of a customer network within the cloud. Which platform will meet this requirement? 

A. Cisco NX-OS 

B. Cisco CSR1000v 

C. Cisco ISR Routers running IOS 

D. Cisco CRS-1 

E. Cisco ASR Routers running IOS-XR 


Explanation: http://www.cisco.com/c/en/us/products/collateral/routers/cloud-services-router-1000v-series/datasheet-c78-733443.html 

Q26. In Multicast Inter-AS VPN context, which BGP attribute should you use to overcome the Option B limitation due to a rewritten originator next-hop address in the network? 

A. connector 

B. AS path 

C. weight 

D. originator 


Q27. Refer to the exhibit. 

A network engineer is troubleshooting PTP on Cisco ASR 9000 router. What can be concluded about the interface based on output provided? 

A. The interface receives timestamps from a master clock, but the router's clock is not yet synchronized to the master. 

B. The interface is aware of a better clock than the one it would advertise if it was in Master state. 

C. The interface is not yet ready to participate on PTP. 

D. The interface is about to go into Master state. 


Q28. A company is deciding between an HVR and SVR solution in order to finalize a virtualization project proposal. Which is an advantage of a HVR solution versus a SVR solution? 

A. A HVR solution implements dedicated data plane resources. 

B. A HVR solution implements shared control plane resources. 

C. A HVR solution introduces significant contention of resources. 

D. A HVR solution implements dedicated chassis resources. 



Comparison of Virtualized Routing Architectures 

Category Hardware-Isolated Virtual Router Software-Isolated Virtual Router 

Control plane resources (CPU, memory) 



Data plane resources (forwarding engine, queues) 



Chassis resources (power supplies, blowers, fabric) 



Management, configuration 


Typically shared, but varies depending on degree of virtualization 

Connections between virtualized routing entities 

Typically external 

Typically internal, but possibly external 

Per-chassis scalability (routing adjacencies, prefixes) 

Increased with additional logical routers 

Unaffected by additional virtual routers 

Reference: http://www.cisco.com/en/US/solutions/collateral/ns341/ns524/ns562/ns573/white_paper_c1 1-512753_ns573_Networking_Solutions_White_Paper.html 

Q29. Refer to the exhibit. 

The vrf MAINT has been provisioned and used by the Service Provider management network. The engineer discovers that syslog messages are not being received on the syslog server. IP reachability has been validated using ping. Which issue in the configuration must be corrected? 

A. logging on must include the vrf MAINT keyword. 

B. logging host must include the vrf MAINT keyword. 

C. The logging facility must be configured for syslog processing. 

D. The route targets that are configured do not match the route distinguisher. 



http://www.cisco.com/c/en/us/td/docs/ios/12_2sr/12_2sra/feature/guide/srvrfslg.html#wp10 59076 


Refer to the exhibit. 

PE1 and PE2 has a Layer 2 VPN over a GRE tunnel. This GRE tunnel built between P1 and P2 has LDP enabled. Consider a packet capture of the packets from CE1 and CE2 at P1 and R1 link. Drag the headers on the left and drop them on the right in the order of the encapsulation, starting from the inner header (at the top) to the outer header (at the bottom).