300-515 by Cisco Actual Free Exam Questions And Answers

Question 1

Which Layer 2 VPN technology is implemented over an IP core network without the need for MPLS?

A. AToM

B. VPLS

C. L2TPv3

D. VPWS

Discussion 0

Correct Answer: C Vote an answer

Question 2

Refer to the exhibit. Company A has two sites, which are connected to PE1 and PE4 respectively.
The route targets have been configured for the import and export values. PE1 and PE4 have established BGP connections for IPv4 and VPNv4, but the two customer A sites cannot communicate. Which two actions must the network engineer take to resolve the issue? (Choose two.)

A. Set the route-target import value on PE4 to 101:101 and 104:104.

B. Set the route-target export value on PE4 to 101:101

C. Set the route-target import value on PE1 to 104:104.

D. Set the route-target export values on PE1 to 101:101 and 104:104.

E. Set the route-target import values on PE4 to 101:101

Discussion 0

Correct Answer: A,C Vote an answer

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Question 3

Refer to the exhibit. The CE router has established a BGP peering with the PE router, and the CE will use the core infrastructure of the PE as a backbone carrier to support CSC.
Which additional task can you perform to complete the configuration?

A. Configure static routing on the CE router.

B. Configure the address-family ipv4 labeled-unicast command under the neighbor configuration of the CE router for the PE.

C. Configure OSPF on the PE router.

D. Change the rd value to 65001:65001 under the VRF section of the PE router.

Discussion 0

Correct Answer: B Vote an answer

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Question 4

In an Ethernet Virtual Circuit environment, which restriction do bridge domains have when STP is running?

A. The STP mode must be RSTP or PVST+

B. Bridge domains must belong to different MST instances.

C. Bridge domains must be mapped to a different VLAN.

D. The STP mode must be MSTP

Discussion 0

Correct Answer: D Vote an answer

Question 5

What is a key difference between Layer 2 VPNs and Layer 3 VPNs?

A. Layer 2 VPNs encapsulate Ethernet frames in MPLS packets, and Layer 3 VPNs use labeled BGP routes to distribute IP prefixes across the MPLS core.

B. Layer 2 VPNs provide Layer 2 transport using pseudowires, and Layer 3 VPNs abstract Layer 2 information using VPLS instances.

C. Layer 2 VPNs can propagate VLAN tags across the MPLS network, and Layer 3 VPNs use BGP communities to extend MPLS labels across different VRFs.

D. Layer 2 VPNs require the use of a Layer 2 forwarding plane with per-site MAC learning, and Layer 3 VPNs integrate Layer 2 and Layer 3 forwarding with Cisco MPLS TE for traffic differentiation.

Discussion 0

Correct Answer: A Vote an answer

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Question 6

How do VRFs assist ISPs in providing services to multiple customers?

A. by enabling the use of different media types to support connections of varying lengths

B. by using both IP and MPLS to forward in the core

C. by providing the ability to transmit Layer 3 traffic using AToM

D. by allowing an ISP to segregate customer routing tables while using the same hardware

Discussion 0

Correct Answer: D Vote an answer

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Question 7

Refer to the exhibit. A customer with multiple sites requested additional monitoring for Ethernet connections to its service provider. The service provider implemented Ethernet OAM on the PE side of the PE-CE links between the PE and CE routers. Which command must be implemented on both CEs to support Ethernet OAM and allow the PE to initiate the connection?

A. ethernet oam mode passive

B. ethernet oam max-rate 8

C. ethernet uni id 2004-20

D. ethernet cfm mip level 7

Discussion 0

Correct Answer: A Vote an answer

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Question 8

Which VPN technology is an example of a full-mesh VPN?

A. VTI

B. MPLS L3VPN

C. Frame Relay L2 VPN

D. GRE VPN

Discussion 0

Correct Answer: B Vote an answer

Question 9

You are writing the requirements for an MPLS L3VPN environment that uses MP-BGP between PE routers. In this environment, route targets and route distinguishers need to be advertised between the PE routers.
Which three operations meet these requirements? (Choose three.)

A. full mesh of IBGP sessions

B. creation of PE-to-PE BGP sessions between loopback IP addresses

C. advertisement of standard communities, enabled on the PE-to-PE BGP neighbors

D. advertisement of extended communities, enabled on the PE-to-PE BGP neighbors

E. mandatory creation of PE-to-PE BGP sessions between the outgoing interface IP addresses

F. full mesh of EBGP sessions and partial mesh of IBGP sessions

Discussion 0

Correct Answer: A,B,D Vote an answer

Question 10

Which two statements about implementing a separate MPLS VPN to provide customers Internet access are correct? (Choose two.)

A. The Internet gateway router will act as a CE router.

B. Customers are assigned to the Internet VPN.

C. Internet routes will be leaked from the PE global routing table to the customer VRF.

D. Customers will use separate interfaces for VPN and Internet access.

Discussion 0

Correct Answer: A,B Vote an answer

Question 11

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)# ip ospf 10 area 200

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)#no ip ospf resync-timeout 6534

Discussion 0

Correct Answer: B Vote an answer

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Cisco Implementing Cisco Service Provider VPN Services - 300-515 Exam Practice Test

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