Cisco 300-515權威認證 -新版300-515考古題

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Cisco 300-515 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Layer 3 VPNs	35%	- MPLS L3VPN architecture - PE-CE routing protocols - MP-BGP for VPNv4 routes - Route target and route distinguishers - Inter-AS L3VPN options - L3VPN troubleshooting - VRF and VRF-lite
Topic 2: Layer 2 VPNs	25%	- L2VPN configuration and verification - MPLS-based L2VPN services - Ethernet VPN (EVPN) - EVPN control plane and data plane - L2TPv3 - VPWS and VPLS
Topic 3: IPv6 VPNs	15%	- IPv6 VPN migration and troubleshooting - 6VPE and 6PE - IPv6 PE-CE routing - Dual-stack VPN operation - MP-BGP for VPNv6 routes
Topic 4: VPN Architecture	25%	- Inter-AS and Intra-AS VPN - VPN deployment models - VPN service requirements and design considerations - MPLS and VPN fundamentals

>> Cisco 300-515權威認證 <<

最有效的300-515權威認證 & Cisco 新版300-515考古題：Implementing Cisco Service Provider VPN Services確保通過

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最新的 CCNP Service Provider 300-515 免費考試真題 (Q117-Q122):

問題 #117
Which flavor of MPLS Layer 3 VPN has MPLS enabled on PE-CE links?

A. AToM
B. inter-AS
C. CSC
D. basic
E. VPLS

答案：C

問題 #118
Which utility can you use to validate an LSP in an MPLS environment?

A. MPLS LSP ping
B. logging
C. RSVP
D. uRPF

答案：A

解題說明：
Section: VPN Architecture

問題 #119
How does the BGP Additional Paths feature modify the traditional behavior of BGP?

A. It allows eBGP neighbors to use BGP synchronization to share multiple paths.
B. It allows regular BGP neighbors to send eBGP and iBGP routes to iBGP peers.
C. It allows a router to send the best path and other paths without implicit withdrawal.
D. It allows iBGP and eBGP neighbors to use the MED metric when sharing paths.

答案：C

解題說明：
With Additional Paths, BGP speakers can advertise not only their single best route for a prefix but also alternate routes. Those additional paths are carried alongside the best path, and none are implicitly withdrawn when the best path changes, unlike classic BGP, which advertises only one path per prefix.

問題 #120
An engineer noticed that PE3 is failing to accept IPv6 traffic information from PE1 The engineer confirmed that both PE3 and PE1 routers are configured accurately with IPv6 protocol To eliminate IPv6 traffic loss issue, which action must the engineer take to solve the problem?

A. Configure 6PE that provides global IPv6 reachability over IPv4 MPLS
B. Allow PE routers use the MP-iBGP extensions in the IPv6 network configuration to exchange IPv6 reachability information.
C. Disable 6PVE that provides local IPv6 reachability over MPLS.
D. Configure 6PE forwarding between 6PE routers based on the IPv6 header

答案：A

問題 #121
Refer to the exhibit. An enterprise customer reported packet drops to 192.168.1.1 from the hub site. The network operation team found that the link between RC and RA is down in OSPF area
200. Routers RZ, RB, and RC set up OSPF neighborship with all adjacent routers. Which configuration must be applied to router RC to resolve the issue?

A. RC(config)#int fastEthernet 1/0
RC(config-if)#no ip ospf cost 6534
B. RC(config)#int fastEthernet 1/0
RC(config-if)#no ip ospf resync-timeout 6534
C. RC(config)#int fastEthernet 1/0
RC(config-if)#no ip ospf priority 200
D. RC(config)#int fastEthernet 1/0
RC(config-if)# ip ospf 10 area 200

答案：D

解題說明：
The interface toward RA lacked any OSPF area assignment, so RC never formed an adjacency in area 200. Adding the ip ospf 10 area 200 command places the link into the correct OSPF process and area, restoring the neighbor relationship and eliminating the end-to-end packet drops.

問題 #122
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