SPEDGE question of the day

[PlAwAnSaI]

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

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

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

C. Customers are assigned to the Internet VPN.

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

 

[PlAwAnSaI]

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

A. IS-IS

B. OSPF

C. EIGRP

D. BGP

E. RIPv2

 

[PlAwAnSaI]

When you are using OSPF as the CE-to-PE routing protocol in MPLS VPN implementations, an OSPF route from customerA site 1 in Area 0 will appear as which kind of OSPF route in customerA site 2, also in Area 0?

A. intra-area

B. E2

C. E1

D. interarea

 

[PlAwAnSaI]

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

 

[PlAwAnSaI]

When implementing CSC services, which two methods can be used to exchange label information between the downstream CSC customer carrier and the CSC backbone carrier?

A. using RSVP

B. using MP-BGP

C. using back-to-back VRF

D. using IGP and LDP

E. using front VRF and internal VRF

 

[PlAwAnSaI]

The Cisco IOS XR address-family ipv4 labeled-unicast and the Cisco IOS/IOS XE neighbor send-label commands are used in which MPLS implementation?

A. VPLS

B. back-to-back VRF

C. AToM

D. Cisco MPLS TE

E. CSC using MP-BGP for label exchange

 

[PlAwAnSaI]

When verifying Layer 3 MPLS VPN operations, which Cisco IOS XR show command is best used to verify that the PE router is receiving the routes from the CE router?

A. show route vrf vrf-name

B. show bgp vpnv4 unicast ip-prefix

C. show bgp vpnv4 vrf vrf-name

D. show route

 

[PlAwAnSaI]

When implementing Layer 3 MPLS VPNs on Cisco IOS/IOS XE PE routers, which PE-to-CE routing protocol requires a separate routing process to be created for each VRF?

A. BGP

B. OSPF

C. RIPv2

D. EIGRP

 

[PlAwAnSaI]

In Layer 3 MPLS VPN implementations, if a customer is using the same AS number at both customer sites and the PE-to-CE routing protocol is BGP, what must be enabled on the PE router?

A. BGP SOO extended community

B. BGP AS override

C. BGP allowas-in

D. BGP AS path prepending

 

[PlAwAnSaI]

Which three functions are performed by the PE router in an MPLS Layer 3 VPN?

A. imports and exports RTs that are received from the P routers

B. exchanges routing updates with the CE router

C. exchanges VPNv4 routes with other PE routers over MP-BGP

D. exchanges RDs with the P routers

E. translates the CE routing information into VPNv4 routes

F. exchanges VPN labels with the CE routers

 

[PlAwAnSaI]

Which BGP extended community is used to control the distribution of VPN routing information and to identify routers that may receive a set of routes that carry the community?

A. opaque

B. RT

C. SOO

D. RD

E. route origin

 

[PlAwAnSaI]

In which configuration mode is a route distinguisher configured in a Cisco IOS XR router?

A. config-bgp-vrf

B. config-bgp-af

C. config-vrf

D. config-bgp

E. config-vrf-af

 

[PlAwAnSaI]

Refer to the exhibit.

route-policy filter
pass
end-policy
!
router bgp 1234
bgp router-id 10.2.2.2
address-family ipv4 unicast
network 192.168.0.0/24
network 192.168.1.0/24
!
neighbor-group share
remote-as 1234
update-source Loopback0
address-family ipv4 unicast
route-policy filter in
route-reflector-client
!
neighbor 10.1.1.1
use neighbor-group share
!
vrf INTERNET
rd 1:1
address-family ipv4 unicast
redistribute connected

Given the output shown, which two statements are true?

A. The router cannot learn any routes for neighbor 10.1.1.1.

B. The configured remote AS for neighbor 10.1.1.1 is 1234.

C. Both prefixes that are referenced by network commands will be visible with the show bgp command from the information that is shown in the output.

D. The neighbor 10.1.1.1 cannot learn any routes from this router.

E. Routes from the Internet VRF that are injected into BGP through redistribution will be advertised to neighbor 10.1.1.1.

 

[PlAwAnSaI]

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

A. AToM

B. L2TPv3

C. VPLS

D. VPWS

 

[PlAwAnSaI]

Which two Layer 2 VPN methods support interworking between customer sites with different Layer 2 encapsulation at each end (for example, Frame Relay to Ethernet interworking)?

A. L2TPv3

B. GET VPN

C. VPLS

D. AToM

 

[PlAwAnSaI]

What are the two AToM interworking modes?

A. routed (interworking ip)

B. bridged (interworking ethernet)

C. transparent (interworking transparent)

D. label-switched (interworking mpls)

 

[PlAwAnSaI]

When implementing EoMPLS on Cisco IOS XR routers, which command under the l2vpn configuration mode is used to define the pseudowire?

A. connect

B. bridge-domain

C. xconnect

D. bridge

E. pbb

 

[PlAwAnSaI]

When configuring an EoMPLS PW on a Cisco IOS XR router, what are the two supported transport modes?

A. ethernet (Ethernet port mode)

B. ip (routed mode)

C. vlan (VLAN-tagged mode)

D. transparent (bridged mode)

 

[PlAwAnSaI]

When implementing EoMPLS PWs, which configuration is optional?

A. control word

B. matching PW ID on both ends

C. Cisco Express Forwarding

D. Xconnect

 

[PlAwAnSaI]

Which method is used to provide inter-AS AToM services?

A. back-to-back VRF

B. Cisco MPLS TE tunnels

C. autodiscovery

D. AToM interworking

E. pseudowire stitching

F. targeted LDP