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Q31. Refer to the exhibit. 

All routers have OSPF adjacency with the directly connected routers, yet RC cannot receive OSPF updates from Area 0 To fix this issue, which configuration should be applied? 

A. On RD router 

router ospf 1 

area 1 virtual-link 3.3.3.3 

On RB router: 

router ospf 1 

area 1 virtual-link 4.4.4.4 

B. On RC router. 

router ospf 1 

area 2 virtual-link 3.3.3.3 

On RB router: 

router ospf 1 

area 2 virtual-link 2.2.2.2 

C. On RC router 

router ospf 1 

area 0 virtual-link 1.1.1.1 

On RA router: 

router ospf 1 

area 2 virtual-link 2.2.2.2 

D. On RD router: 

router ospf 1. 

area 1 virtual-link 1.1.1.1 

On RA router: 

router ospf 1 areal virtual-link 4.4.4.4 

Answer:


Q32. What is the minimum hardware configuration of the multishelf Cisco CRS-1 system? 

A. One route processor (RP) card and one modular services card (MSC) 

B. One distributed route processor (DRP) and one S13 fabric card (SFC) 

C. One line card chassis (LCC) and one fabric card chassis (FCC) 

D. One route processor (RP) and one fabric card chassis (FCC) 

E. One line card chassis (LCC) and one S13 fabric card (SFC) 

Answer:

Explanation: 

1.4. SP high end product 

A minimum of one LCC and one FCC are required to configure a multishelf system. 


Q33. MPLS Service Providers use Route Distinguishers and Route Targets as methods to control routing for customer VRFs. Which two statements are true about Route Distinguishers and Route Targets? (Choose two.) 

A. Route Targets are values that are used by a PE router to uniquely identify a VRF within its local MP-BGP VPNv4 table. 

B. Route Distinguishers are used by PE routers by exporting and importing routes into a local VRF. 

C. Route Targets are used by PE routers to define how to import and export prefixes into a local VRF database. 

D. Route Targets are extended communities that are used by MP-BGP to identify routes as they are advertised to neighbor PE routers. 

E. Route Distinguishers are values that are used by a PE router to uniquely identify a VRF within its local MP-BGP VPNv4 table. 

Answer: C,E 


Q34. Refer to the exhibit. 

Which MPLS TE component keeps track of the flooding and admission control? 

A. MPLS TE priorities 

B. RSVP 

C. link attributes 

D. link manager 

Answer:


Q35. 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 


Q36. Refer to the exhibit. OSPFv3 is already running, and R1 has added a new subnet (loopback 11). What is the reason code on R4 when executing the command show ipv6 ospf statistics? 

A. P (partial) 

B. N (network) 

C. R (router) 

D. L (link) 

Answer:


Q37. Network Operations team has configured the routers with the logging buffered warnings command. Which three severity levels appear in the router syslog? (Choose three.) 

A. errors 

B. notifications 

C. informational 

D. alerts 

E. debugging 

F. emergencies 

Answer: A,D,F 


Q38. Which BGP feature improves the convergence and response time to adjacency changes with BGP neighbors? 

A. reducing BGP scanner timing to the minimum that is supported 

B. BGP Multihop 

C. Next-Hop Address Tracking 

D. Fast Peering Session Deactivation 

E. TTL Security Check 

Answer:

Explanation: http://www.cisco.com/c/en/us/td/docs/ios/12_2sb/feature/guide/sbbnhop.html 


Q39. 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:


Q40. Which two flexible service mapping features that are used on the ES40 line card can classify traffic into different service instances, in order to consume fewer VLANs? (Choose two.) 

A. CoS 

B. DSCP 

C. IP precedence 

D. MPLS experimental bit 

E. ToS 

F. EtherType 

Answer: A,F 

Explanation: 

Reference: http://www.cisco.com/c/en/us/td/docs/routers/7600/install_config/ES40_config_guide/es40_ sw_config/es40_chap7.html#pgfId-1500091