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Q41. An engineer wants to configure MPLS TE Fast Reroute with link protection on five routers. Which methodology can reduce configuration on the point of the local repair router and successfully complete the task? 

A. Configure a backup tunnel on the PLR. 

B. Enable the autotunnel backup feature. 

C. Configure a backup tunnel on the tunnel head end router. 

D. Enable the autotunnel primary feature. 

Answer:

Explanation: http://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-2/mpls/configuration/guide/b_mpls_cg42crs/b_mpls_cg42crs_chapter_0100.html#concept_ F19BEEEFC831436AAC9291A87F9B34E5 


Q42. Cisco IOS XR has implemented a nonstop routing feature so that when RP failover occurs, the routing information can be recovered locally. Which protocol does not support the NSR feature? 

A. OSPF 

B. LDP 

C. BGP 

D. IS-IS 

E. RSVP 

Answer:


Q43. DRAG DROP 

Drag and drop the OAM protocol listed on the left to the correct standard on the right. Not all options will be used. 

Answer: 


Q44. Which are the four key design requirements for mobile IP backhaul? (Choose four) 

A. network timing distribution and recovery 

B. MPLS-enabled interface 

C. Layer 2 Tunneling 

D. X2 interface turning point 

E. DiffServ QoS 

F. bandwidth 

G. native IPv6 support 

H. mandatory Layer 3 access up to a cell site 

Answer: A,B,E,H 


Q45. Refer to the exhibit. An MPLS Layer 3 VPN service has been provisioned for a customer. What will be the ToS value at Site-B for the exceeded traffic that it is sent from Site-A with ToS 2? 

A. 0 

B. 2 

C. 3 

D. 4 

E. No exceeded traffic will reach Site-B. 

Answer:


Q46. An engineer wants to configure Fast Reroute in the network. Which methodology eliminates RSVP configuration in the network? 

A. Enable LDP Fast Synch. 

B. Enable IP Fast Reroute. 

C. Enable the auto tunnel primary feature. 

D. Enable Cisco MPLS TE Fast Reroute. 

E. Enable the auto tunnel backup feature. 

Answer:

Explanation: 

http://www.cisco.com/en/US/docs/ios/12_0st/12_0st10/feature/guide/fastrout.html 


Q47. 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 

Answer:


Q48. Which MPLS technology will achieve LAN extensions over the service provider backbone? 

A. AToM 

B. VPLS 

C. L2VPN 

D. L2TPv3 

Answer:

Explanation: https://tools.ietf.org/html/rfc7041 


Q49. In which three ways do PE routers manage multiple customers in MPLS VRF environments? (Choose three.) 

A. Route targets are configured that allow the PE to uniquely identify the customer routes in MP-BGP 

B. PE routers use route distinguishers to tag routes for importing and exporting into customer VRFs. 

C. PE routers use PE-CE routing protocols to manage routing with client VRF devices. 

D. PE routers use route targets to tag routes for importing and exporting into customer VRFs. 

E. Route distinguishes are configured that allow the PE to uniquely identify the customer routes in MP-BGP. 

F. PE routers use PE-PE routing protocols to manage routing with client VRF devices. 

Answer: C,D,E 


Q50. The following MPP configuration is applied on RA router: RP/0/RSP0/CPU0:RA#sh running-config control-plane 

control-plane 

management-plane 

inband 

interface TenGigE 0/0/0/0 

allow SSH peer 

address ipv4 5.0.0.0/8 

Which two pieces of information are correct in regards to management traffic on RA router? (Choose two) 

A. SNMP traps going out on TenGigE 0/0/0/0 interface are dropped. 

B. SNMP polling coming through TenGigE 0/0/0/0 interface are dropped. 

C. Telnet connections coming through MgmtEth0/RSP0/CPU0/0 interface are accepted. 

D. SSH connections coming through TenGigE 0/0/0/0 interface from 5.5.5.5 host are accepted. 

E. TACACS traffic going through TenGigE 0/0/0/0 interface are dropped. 

Answer: B,D