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Cisco 300-515 exam is a highly respected certification in the IT industry. It is recognized by companies around the world as a valuable credential that demonstrates the knowledge and skills of professionals in the field of service provider VPN services. Implementing Cisco Service Provider VPN Services certification can help professionals advance their careers and increase their earning potential.
NEW QUESTION # 16
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. Allow PE routers use the MP-iBGP extensions in the IPv6 network configuration to exchange IPv6 reachability information.
- B. Disable 6PVE that provides local IPv6 reachability over MPLS.
- C. Configure 6PE forwarding between 6PE routers based on the IPv6 header
- D. Configure 6PE that provides global IPv6 reachability over IPv4 MPLS
Answer: D
NEW QUESTION # 17
Refer to the exhibit.
Drag and drop the EVC configuration items from the left onto the correct descriptions on the right.
Answer:
Explanation:
Explanation
NEW QUESTION # 18
Refer to the exhibit.
Refer to the exhibit Router 1 is a P router in the ISP MPLS core A connected P router cannot generate an MPLS label for the router 1 loopback0 interface Which action resolves this issue?
- A. The loopback0 interface must be in OSPF area 0.
- B. The network statement under the routing process must have a wildcard mask of 0 0.0 255.
- C. A static route to null 0 must be added for the loopback interface and then static routes must be redistributed into OSPF
- D. The OSPF network type must be changed on loopback0 to point-to-point
Answer: B
NEW QUESTION # 19
What must match in the EVPN and L2VPN configuration mode when configuring EVPN native in a router?
- A. bridge domain
- B. address family
- C. interface
- D. EVI
Answer: D
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r6-2/lxvpn/configuration/ guide/b-l2vpn-cg-asr9000-62x/b-l2vpn-cg-asr9000-62x_chapter_01011.html
NEW QUESTION # 20
Refer to the exhibit. While provisioning a new BGP session between the PE and CE router, you issue the as-override command. Which statement describes modification of the prefix before being sent to the CE router (10.10.10.1)?
- A. The first AS changes, but no other autonomous systems change.
- B. The fourth AS changes, but no other autonomous systems change.
- C. The second and third autonomous systems change.
- D. The first and fourth autonomous systems change.
Answer: A
NEW QUESTION # 21
In MPLS Layer 3 VPN implementations, what is used on the PE router to isolate potential overlapping routing information between different customers?
- A. pseudowire classes
- B. VC IDs
- C. pseudowire IDs
- D. VRFs
- E. route targets
Answer: D
NEW QUESTION # 22
While troubleshooting an AToM L2VPN service, a network consultant notices that the AC Layer 2 encapsulations are different. Which action should the consultant take in order to make the MPLS L2VPN work?
- A. tag-rewrite on the ingress and egress PE router
- B. interworking IP configuration on the last PE router before label disposition
- C. interworking IP configuration on both the AC terminations on the PEs
- D. nonrouted interworking setup to properly translate only the Layer 2 information from the AC
Answer: C
NEW QUESTION # 23
Refer to the exhibit.
PE1 and PE2 are exchanging VPNv4 routes for CE1 and CE2, and PE3 contains the default route to the internet. If the three devices are operating normally, which two conclusions describe this configuration?
(Choose two.)
- A. The CE1 and CE2 VRFs can exchange routes only between their respective VRFs on PE1 and PE2.
- B. All three routers must be running a distance-vector routing protocol.
- C. Only the CE2 VRF can access the default route provided by the Internet VRF.
- D. The CE1 and CE2 VRFs can access the default route provided by the Internet VRF.
- E. All three routers must be running MP-BGP.
Answer: A,E
NEW QUESTION # 24
Refer to the exhibit.
A network engineer has been called to configure the four PE devices in order to enable full communication among the four CE devices connected to them. While starting to configure, he experienced a connectivity issue. Which two tasks should the engineer perform in order to begin the process correctly? (Choose two.)
- A. Configure PE1 to import route-targets 300:3 and 400:4.
- B. Configure PE3 to import route-targets 100:1 and 200:2.
- C. Configure PE4 to import route-targets 101:1 and 202:2.
- D. Configure PE2 to export route-targets 300:3 and 400:4.
- E. Configure PE3 to export route-targets 100:1 and 200:2.
Answer: B,E
NEW QUESTION # 25
Which utility can you use to validate an LSP in an MPLS environment?
- A. logging
- B. RSVP
- C. uRPF
- D. MPLS LSP ping
Answer: D
Explanation:
Section: VPN Architecture
NEW QUESTION # 26
Refer to the exhibit.
Which statement about this configuration is true?
- A. The MVRF must be configured on each router on the customer and service provider networks.
- B. Router 1 has statically defined thresholds for data MDT.
- C. 192.168.1.2 must be reachable by all routers participating in the mvpn-intranet MVRF.
- D. Router 1 will accept multicast routes with a route-target of 12:1.
Answer: D
NEW QUESTION # 27
Drag and drop the EVPN components from the left onto the correct planes on the right.
Answer:
Explanation:
Reference:
https://www.cisco.com/c/dam/m/en_us/network-intelligence/service-provider/digital-transformation/ knowledge-network-webinars/pdfs/0420-epn-ckn.pdf slide 8
NEW QUESTION # 28
What do routers on the network use to avoid routing loops when OSPF is running as the PE-CE routing protocol on a service provider network?
- A. the AS-Override feature
- B. sham links to create a super backbone over the service provider network
- C. the domain tag for type 2 LSA
- D. the DN bit with type 3, 5, or 7 LSA
Answer: D
NEW QUESTION # 29
Refer to the exhibit.
Drag and drop the EVC configuration items from the left onto the correct descriptions on the right.
Answer:
Explanation:
NEW QUESTION # 30
DRAG DROP
Refer to the exhibit. Drag and drop the EVC configuration items from the left onto the correct descriptions on the right.
Select and Place:
Answer:
Explanation:
Section: Layer 2 VPNs
NEW QUESTION # 31
With Layer 3 MPLS VPN implementations on Cisco IOS XR PE routers, an interface is assigned to a VRF using the vrf command in which configuration mode?
- A. RP/0/RP0/CPU0:PE(config-vrf)#
- B. RP/0/RP0/CPU0:PE(config-bgp-af)#
- C. RP/0/RP0/CPU0:PE(config-if)#
- D. RP/0/RP0/CPU0:PE(config-bgp)#
Answer: C
NEW QUESTION # 32
In Layer 3 MPLS VPN implementations, if some of the VPNv4 routes on one PE router do not appear on another PE router, what could be the problem?
- A. RD mismatch between the PE routers
- B. RT export and import configuration errors
- C. RD export and import configuration errors
- D. VRF name mismatch between the PE routers
Answer: B
Explanation:
Reference:
http://blog.initialdraft.com/archives/1537/
NEW QUESTION # 33
An ISP provides a major client MPLS VPN for managed services. The MPLS engineering team needs to use the advanced VPN feature of selective VRF import so that only specific prefixes are present in the required VPNs.
Which aspect of this feature must the team consider?
- A. The import-map command is applied under the PE interface that connects to the CE router.
- B. A route is imported into the VRF only when at least one RT that is attached to the route matches one RT that is configured in the VRF and the route is permitted by the import route map.
- C. A route must pass the import route map first and then the route target import filter.
- D. The routers that are imported in the VRF can be BGP and IGP routes, so other match conditions in the route map, besides communities, can be used.
Answer: B
Explanation:
Reference:
https://www.ccexpert.us/mpls/configuring-selective-vrf-import.html
NEW QUESTION # 34
Which utility can you use to validate an LSP in an MPLS environment?
- A. logging
- B. RSVP
- C. uRPF
- D. MPLS LSP ping
Answer: D
NEW QUESTION # 35
Which method can be used to discover targeted LDP neighbors dynamically when configuring VPLS between PE routers?
- A. VPWS
- B. VPLS peers under the VFI
- C. BGP
- D. BGP autodiscovery
Answer: D
NEW QUESTION # 36
Which two frames can be configured on an Ethernet flow point? (Choose two.)
- A. with different class of service values
- B. of a specific VLAN
- C. with different type of service values
- D. with no tags
- E. with identical type of service value
Answer: B,D
Explanation:
Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/cether/configuration/xe-3s/asr903/16-5-1/b-ce- xe-16-5-asr900/trunk-efp-support.html
NEW QUESTION # 37
Which flavor of MPLS Layer 3 VPN has MPLS enabled on PE-CE links?
- A. VPLS
- B. basic
- C. inter-AS
- D. AToM
- E. CSC
Answer: E
NEW QUESTION # 38
The network engineering group of a large ISP needs to harden the management plane of its Cisco 9000 Series ASRs. While addressing IPv6 ICMP issues, they realized they have to limit the rate at which IPv6 ICMP error messages are sent out on the network. Which command do they need to apply?
- A. ipv6 icmp error-interval 50 20
- B. icmp ipv4 rate-limit unreachable 1000
- C. icmp ipv6 rate-limit unreachable 1000
- D. ipv6 rate-limit 1000
Answer: A
Explanation:
Section: IPv6 VPNs
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipv6_basic/configuration/xe-3s/ip6b-xe-3s- book/ip6-icmp-rate-lmt-xe.html
NEW QUESTION # 39
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Cisco 300-515 exam is a valuable certification for IT professionals who want to enhance their knowledge and skills in service provider VPN services. Implementing Cisco Service Provider VPN Services certification validates the candidate's expertise in implementing and managing VPN solutions in a service provider environment. Candidates who pass 300-515 exam will be able to demonstrate their competence in delivering secure and reliable VPN services to their organization's clients.
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