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Q11. 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.
Answer: A
Q12. 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: B
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
Q13. 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: C
Explanation:
Reference: http://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/26634-bgp-toc.html
Q14. 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
Q15. Refer to the exhibit .
A network engineer is troubleshooting a packet over SONET connection between Router A and Router B. What is causing the line protocol to be down?
A. The keepalive must be set on both sides
B. The POS CRC must be set on both sides.
C. There is an encapsulation mismatch
D. There is an MTU mismatch.
Answer: C
Q16. 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: C
Explanation:
1.4. SP high end product
A minimum of one LCC and one FCC are required to configure a multishelf system.
Q17. Which two statements about Unified MPLS are true? (Choose two.)
A. Unified MPLS works on Cisco IOS XR Software only.
B. Unified MPLS extends MPLS across multidomain networks in a scalable manner.
C. New technologies or protocols are not used; only MPLS, LDP, IGP, and BGP are used.
D. ABR loopback prefixes should always be redistributed from the core IGP into the aggregation IGP.
E. The RRs are part of the control path only.
Answer: B,D
Explanation: http://www.cisco.com/c/en/us/support/docs/multiprotocol-label-switching-mpls/mpls/116127-configure-technology-00.pdf
Q18. Which network interface technology eliminates the need for an external transponder at service provider sites?
A. IPoDWDM
B. CWDM
C. SONET
D. SDH
Answer: A
Q19. Two Service Providers are beginning a merger between AS boundaries to provide MPLS-enabled services between their networks. Customers are using both Service Providers for services and, under certain circumstances; there are requirements to extend Layer 2 VPN circuits between each provider. The providers are in the process of completing the technical merger. However, the MPLS is not supported between the providers. Which action allows MPLS Layer 2 VPN circuits to be built over the inter-AS link?
A. Create a GRE tunnel with the mpls ip command between ASBRs.
B. Create Layer 2 VPN peerings between PE routers from each provider.
C. Create a VPNv4 peering between ASBRs to advertise labels between each provider.
D. Create a sham link between ASBR routers to enable a superbackbone peering for Layer 2 VPN signaling.
Answer: A
Explanation: https://ccdewiki.wordpress.com/2013/07/02/inter-as-l2vpn-mpls-solutions/
Q20. Refer to exhibit. NAT64 stateless configuration has been applied on RT1 router. The NAT64 prefix stateless used on this scenario is 2001:DB8:2::/96. ‘Host IPv4 only’ needs to test the connectivity with ‘Host IPv6 only’ using a ping command. Which is the correct ping command ‘Host IPv4 only’ should use?
A. ping 27.1.1.10
B. ping 27.1.1.10 source 2001:db8:2::7001:10A
C. ping 2001:db8:2::7001:10A
D. ping 2001:db8:2::112.1.1.10
E. ping 2001:db8:2::27.1.1.10
F. ping 2001:db8:2::1B01:10A
Answer: A