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Q61. An engineer is implementing an MPLS within the core of the Service Provider network. What two components are required to build the control and data plane for MPLS Label Switched Paths? (Choose two.) 

A. FIB 

B. CEF 

C. LDP 

D. LFIB 

E. OSPF 

Answer: B,C 


Q62. A network engineer is designing the BGP architecture with a requirement of preventing the AS 65001 from becoming a Transit AS path, using the following configuration: 

router bgp 65000 

neighbor 10.0.0.1 route-map BGP-ROUTE-POLICY in 

The goal is to prevent routes learned from 10.0.0.1 from being advertised to any other eBGP peering in the AS 65000. What command should be used within the route map to achieve this goal while keeping existing route policies in place? 

A. set community no-export additive 

B. set community no-advertise 

C. set community no-advertise additive 

D. set community no-export 

Answer:

Explanation: 

Reference: http://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/26634-bgp-toc.html 


Q63. Refer to the exhibit. 

ISP-X customers must be able to reach both ISP-Y and ISP-Z, but ISP-X must not allow transit traffic between ISP-Y and ISP-Z at any time Which two options satisfy this requirement? (Choose two.) 

A. Use the MED to prefer the proper routes 

B. Use communities to identify and filter routes. 

C. Use local preference to prefer the routes 

D. Use a route map to filter routes on the AS number. 

E. Use the atomic aggregate attribute 

Answer: B,D 


Q64. Which are the two fundamental ways in which IEEE 1588 differs from SyncE? (Choose two.) 

A. In addition to frequency synchronization, it achieves ToD synchronization to achieve phase alignment which is required for multi-channel communication. 

B. It is a purely-based solution, with the actual clock values being passed inside the payloads of special packets dedicated to that task. 

C. It offers two major changes over traditional Ethernet to make it suitable for clock distribution: a mandated clock accuracy and the ESMC protocol for clock selection, distribution, management, traceability, and failover. 

D. SyncE is a Cisco proprietary ToD technology where IEEE 1588 is a industry standard recommended for interoperability across vendor devices. 

E. IEEE 1588 applies to voice-only systems or with low-bandwidth data traffic. 

Answer: A,B 

Explanation: http://www.eetimes.com/document.asp?doc_id=1278660 


Q65. An engineer must implement E-Line services for a service provider network. Which two services apply in this situation? (Choose two.) 

A. EVPL 

B. E-Tree 

C. E-LAN 

D. EVC 

E. EPL 

Answer: A,E 

Explanation: http://www.cisco.com/c/en/us/td/docs/net_mgmt/prime/fulfillment/6-2/theory/operations/guide/theory/l2ce.pdf 


Q66. Which two statements about 10 Gigabit Ethernet WAN PHY mode are true? (Choose two.) 

A. The signal maps to an OC-192c/STM-64c payload. 

B. The nominal speed is 9.95328 Gbps. 

C. It is compatible with Packet Ethernet over SONET. 

D. The signal maps to an OC-768c/STM-256c payload. 

E. It is compatible with Packet over SONET. 

F. The nominal speed is 10.3125 Gbps. 

Answer: A,B 

Explanation: https://en.wikipedia.org/wiki/10_Gigabit_Ethernet 


Q67. 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 


Q68. A network engineer is responsible for implementing a solution with Cisco IOS XR Software that ensures continuous forwarding during a control plane failure. Which two technologies should the engineer consider? (Choose two.) 

A. IP FRR 

B. NSR 

C. graceful restart 

D. BFD 

E. TE FRR 

Answer: B,C 


Q69. 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 


Q70. Refer to the exhibit. 

Which VLAN interface does untagged traffic pass through? 

A. 1 

B. 2 

C. 3 

D. 4 

Answer: