Best Quality Cisco 300-515 Exam Questions Actualtests4sure Realistic Practice Exams [2021]
Critical Information To Implementing Cisco Service Provider VPN Services Pass the First Time
NEW QUESTION 15
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 network statement under the routing process must have a wildcard mask of 0 0.0 255.
- B. A static route to null 0 must be added for the loopback interface and then static routes must be redistributed into OSPF
- C. The OSPF network type must be changed on loopback0 to point-to-point
- D. The loopback0 interface must be in OSPF area 0.
Answer: A
NEW QUESTION 16
Refer to the exhibit:
A network engineer is implementing an OSPF configuration Based on the output, which statement is true?
- A. In the ospfv3 1 area 1 ipv4 command, area 0 must be configured instead of area 1.
- B. OSPFv3 cannot be configured for IPv4; OSPFv3 works only for IPv6.
- C. OSPFv3 does not run for IPv4 on FastEthemet0/0 until IPv6 routing is enabled on the router and IPv6 is enabled on interface Fastfc.thernet0/0
- D. IPv6 routing not enabled" is just an informational message and OSPFv3 runs for IPv4 on interface FastEthernet0/0 anyway
Answer: C
NEW QUESTION 17
You try to configure MPLS VPN VRF Selection based on a source IP address on an interface that has VRF configured, but you receive an error.
Which action must you take to correct the problem?
- A. Configure static routes for the VRF.
- B. Change the source IP address.
- C. Add the IP address to the VRF table.
- D. Remove the VRF from the interface.
Answer: D
Explanation:
Reference: https://www.cisco.com/c/en/us/td/docs/ios/12_0s/feature/guide/vrfselec.html
NEW QUESTION 18
Refer to the exhibit.
Which statement about this output is true?
- A. The adjacent router is the egress LSR and has mpls ldp explicit-null configured.
- B. The adjacent LSR router configured mpls label range 0.
- C. The router IP 192.168.1.2 sent an implicit null, and the output is from the penultimate LSR.
- D. The zero in the second column is the normal behavior of an egress router LSR.
Answer: A
NEW QUESTION 19
Refer to the exhibit.
If the two devices are operating normally, which two conclusions can you draw from this configuration?
(Choose two.)
- A. The PE-CE routes between the devices are being exchanged by OSPF
- B. CE1 must use OSPF to establish a neighbor relationship with PE1.
- C. PE1 labels the routes it learns from CE1 with the route-target 222:2 and shares them with its VPNv4 peers.
- D. CE1 is supporting CSC.
- E. PE1 labels the routes it learns from CE1 with the route-target 111:1 and shares them with its VPNv4 peers.
Answer: A,B
NEW QUESTION 20
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. Only the CE2 VRF can access the default route provided by the Internet VRF.
- B. All three routers must be running a distance-vector routing protocol.
- C. The CE1 and CE2 VRFs can access the default route provided by the Internet VRF.
- D. The CE1 and CE2 VRFs can exchange routes only between their respective VRFs on PE1 and PE2.
- E. All three routers must be running MP-BGP.
Answer: D,E
NEW QUESTION 21
Refer to the exhibit.
Which statement about this configuration is true?
- A. Router 1 will accept multicast routes with a route-target of 12:1.
- 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. The MVRF must be configured on each router on the customer and service provider networks.
Answer: A
NEW QUESTION 22 
Which effect of this configuration is true?
- A. It configures an IPv4 peering with 192.168.1.1
- B. It configures VPWS multihomed.
- C. It configures VPWS single homed.
- D. It configures MPLS traffic engineering.
Answer: C
Explanation:
Reference: https://www.ciscolive.com/c/dam/r/ciscolive/emea/docs/2019/pdf/BRKSPG-2798.pdf
NEW QUESTION 23
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. RT export and import configuration errors
- B. VRF name mismatch between the PE routers
- C. RD mismatch between the PE routers
- D. RD export and import configuration errors
Answer: A
Explanation:
Reference:
http://blog.initialdraft.com/archives/1537/
NEW QUESTION 24
What do EVPN single-active and all-active have in common?
- A. They are used to provide single connection from a CE device to a service provider.
- B. They are default gateway redundancy options.
- C. They are multihoming mechanisms used for CE devices.
- D. They are both roles that a designated router can take when MPLS is used with EVPN.
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 25
DRAG DROP
Drag and drop the EVPN components from the left onto the correct planes on the right.
Select and Place:
Answer:
Explanation:
Section: Layer 2 VPNs
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 26
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. 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.
- C. A route must pass the import route map first and then the route target import filter.
- D. 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.
Answer: D
Explanation:
Section: VPN Architecture
Explanation/Reference: https://www.ccexpert.us/mpls/configuring-selective-vrf-import.html
NEW QUESTION 27
Which condition must be met before an environment can support CSC?
- A. The CSC-PE and CSC-CE must each be able to ping an interface in its respective global routing table.
- B. The CSC-PE and the CSC-CE must support IPv6.
- C. The CSC-CE must support OSPFv3.
- D. The CSC-PE and CSC-CE devices must be able to send labels to one another using BGP.
Answer: D
NEW QUESTION 28
While implementing Layer 3 MPLS VPN, which feature should an engineer use at the PEs to transform the customer IPv4 prefixes into a unique 96-bit prefix?
- A. PW ID
- B. VC ID
- C. RD
- D. RT
Answer: C
Explanation:
Section: Layer 3 VPNs
Explanation/Reference:
NEW QUESTION 29
An engineer is troubleshooting AToM on an IOS XE router and receives an error when creating the xconnect.
Which command does he need to complete to create the xconnect in AToM?
- A. encapsulation 12tpv3
- B. encapsulation mpls
- C. protocol none
- D. protocol 12tpv3
Answer: B
Explanation:
Section: Layer 2 VPNs
NEW QUESTION 30
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