NEW QUESTION 1
When implementing a Layer 2 transport subinterface on a Cisco IOS XR router, which encapsulation option is used to match any packets that are not matched by any other service instances?

• A. default
• B. untagged
• C. any
• D. tag

Answer: A

Explanation:

NEW QUESTION 2
Which method can be used to discover targeted LDP neighbors dynamically when configuring VPLS between PE routers?

• A. BGP autodiscovery
• B. VPLS peers under the VFI
• C. VPWS
• D. BGP

Answer: A

NEW QUESTION 3
Refer the exhibit.




On PE7, which interface connects to the CE7 and what is the name of the VRF that interface is associated to? {Choose two.}

• A. Gi0/0/0/0
• B. Gi0/0/0/1
• C. Gi0/0/0/2
• D. Customer_1
• E. Customer_A
• F. Customer_CE7

Answer: BC

Explanation: # show ip vrf interfaces

NEW QUESTION 4
A company recently completed a third company acquisition and is requesting to deploy a point-to-point VPN technology over the IP core network to extend their IGP domain. The company core network is not MPLS-enabled yet. Which technology matches these requirements?

• A. Any Transport over MPLS
• B. Layer 2 Tunneling Protocol version 3
• C. Virtual Private LAN Service
• D. Point-to-Point Protocol

Answer: B

NEW QUESTION 5
A Cisco IOS XR device is acting as a PE. It must have an iBGP VPNv4 session with the other PE 2.2.2.2 using source loopback 0. Which configuration achieves this goal?
A}
B}
C}
D}

• A. Exhibit A
• B. Exhibit B
• C. Exhibit C
• D. Exhibit D

Answer: B

NEW QUESTION 6
When implementing nonhierarchical VPLS with eight PE routers, how many total PWs will be required between the PE routers?

• A. 8
• B. 16
• C. 28
• D. 32
• E. 64

Answer: C

Explanation: 8* {8-1} /2

NEW QUESTION 7
In MPLS Layer 3 VPN implementations, what is used on the PE router to isolate potential overlapping routing information between different customers?

• A. route targets
• B. VRFs
• C. VC IDs
• D. pseudowire IDs
• E. pseudowire classes

Answer: B

NEW QUESTION 8
Which option is a valid Cisco IOS XR BGP Layer 3 IPv4 MPLS VPN configuration?

• A. router bgp 65001no bgp default ipv4-unicast bgp log-neighbor-changesneighbor 1.2.3.4 remote-as 65001 neighbor 1.2.3.4 update-source Loopback0 address-family vpnv4neighbor 1.2.3.4 activateneighbor 1.2.3.4 send-community extended exit-address-familyaddress-family ipv4 vrf VPN redistribute ospf 100
• B. router bgp 65001no bgp default ipv4-unicast bgp log-neighbor-changesneighbor 1.2.3.4 remote-as 65001 neighbor 1.2.3.4 update-source Loopback0 address-family vpnv4neighbor 1.2.3.4 activate exit-address-familyaddress-family ipv4 vrf VPN redistribute ospf 100
• C. router bgp 100address-family vpnv4 unicast neighbor 2.2.2.2remote-as 100update-source Loopback0 address-family vpnv4 unicast!vrf VPN_A rd 100:1address-family ipv4 unicast redistribute ospf 100
• D. router bgp 100address-family vpnv4 unicast neighbor 2.2.2.2remote-as 100update-source Loopback0 address-family ipv4 unicast!vrf VPN_A rd 100:1address-family ipv4 unicast redistribute ospf 100

Answer: C

NEW QUESTION 9
Which CE-to-PE routing protocol implements the down bit as a loop prevention mechanism?

• A. RIPv2
• B. EIGRP
• C. IS-IS
• D. OSPF
• E. BGP

Answer: D

Explanation: https://www.racf.bnl.gov/Facility/TechnologyMeeting/Archive/06-30-04-CISCO/Using-OSPF-in-MPLS- VPNEnvironment.pdf

NEW 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 will use separate interfaces for VPN and Internet access.
• C. Customers are assigned to the Internet VPN.
• D. Internet routes will be leaked from the PE global routing table to the customer VRF.

Answer: AC

NEW QUESTION 11
A presale engineer is asked to advise about the various MPLS VPN designs to best fit the customer requirements. Which two MPLS L2VPN features should be highlighted as advantages over a MPLS L3VPN? {Choose two.}

• A. An MPLS L2VPN design is a more appropriate solution for disaster recovery and data backup.
• B. An MPLS L2VPN is a more redundant design compared to a MPLS L3VPN solution.
• C. An MPLS L2VPN design does not require routing interaction with the service provider network.
• D. An MPLS L2VPN design virtually extends the broadcast domain boundary allowing for the customer IGP to fully interoperate between remote sites.
• E. An MPLS L2VPN design does not require monitoring, which provides a significant cost-saving solution.

Answer: CD

NEW QUESTION 12
In MPLS Layer 3 VPN implementations, which mechanism is used to control which routes are imported to a VRF?

• A. RT
• B. RD
• C. VC ID
• D. PW ID
• E. VRF ID

Answer: A

Explanation: http://blog.initialdraft.com/archives/1537/

NEW QUESTION 13
When implementing MPLS Layer 3 VPNs with customers running OSPF as the CE-PE routing protocol, which situation will require a sham link to be implemented in the MPLS backbone?

• A. to connect customer sites in different OSPF areas
• B. to connect customer sites in the same OSPF area
• C. to prevent OSPF routing loops when a customer site has redundant CE-PE connections
• D. if there is a backdoor link between the CE routers, to ensure that the backdoor link is used only to back up the primary connection through the MPLS VPN

Answer: D

Explanation: http://www.cisco.com/en/US/docs/ios/12_2t/12_2t8/feature/guide/ospfshmk.html

NEW QUESTION 14
Refer to the Cisco IOS XR router output exhibit,

which method is being used to transport IPv6 traffic over the service provider network?

• A. 6PE
• B. 6VPE
• C. native IPv6
• D. native IPv4
• E. dual stack

Answer: B

Explanation: NOT SURE THIS MATCHES ANSWER

NEW QUESTION 15
Refer to the exhibit.

Which two descriptions outline the traffic flow among the three sites? {Choose two.}

• A. The MNL site communicates with the XYZ and ABC sites.
• B. The XYZ and ABC sites communicate using the default route that points to the MNL site.
• C. XYZ sees the MNL and ABC routes.
• D. ABC sees the MNL and XYZ routes.
• E. The MNL site acts as a central site for the ABC and XYZ sites.

Answer: AE

NEW QUESTION 16
Which two MPLS QoS models described by RFC3270 are used for CE-PE QoS implementation? {Choose two.}

• A. best effort
• B. pipe
• C. uniform
• D. integrated services
• E. differentiated services

Answer: BC