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Q1. What is an advantage of using the Cisco EVC infrastructure to implement carrier-class Ethernet services that are not available on non-EVC-capable platforms?
A. PW redundancy
B. interworking support
C. PW stitching support
D. flexible frame-matching support and VLAN tag manipulation
E. local cross-connect support
Answer: D
Q2. Which VPN technology uses the Group Domain of Interpretation as the keying protocol and IPsec for encryption that is often deployed over a private MPLS core network?
A. DMVPN
B. GET VPN
C. SSL VPN
D. L2TPv3
Answer: B
Q3. When implementing VPLS on Cisco IOS XR routers, the VPLS PW neighbors can be statically defined under which configuration mode?
A. bridge group
B. bridge-domain
C. vfi
D. mpls ldp
E. l2transport
Answer: C
Q4. In which Cisco IOS XR configuration mode is the redistribute static command applied to enable the redistribution of static VRF routes between the PE routers?
A. RP/0/RP0/CPU0:PE(config-router)#
B. RP/0/RP0/CPU0:PE(config-bgp)#
C. RP/0/RP0/CPU0:PE(config-bgp-vrf)#
D. RP/0/RP0/CPU0:PE(config-bgp-vrf-af)#
Answer: D
Q5. Which two statements regarding Cisco 6PE operations are correct? (Choose two.)
A. The top label in the label stack is assigned by MP-BGP, and it is used to reach the egress PE.
B. The inner label in the label stack is assigned by MP-BGP, and it is used for IPv6 forwarding at the egress PE.
C. The top label in the label stack is assigned by LDP, and it is used to reach the egress PE.
D. The inner label in the label stack is assigned by LDP, and it is used for IPv6 forwarding at the egress PE.
Answer: B,C
Q6. 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
Q7. Which type of VPN requires a full mesh of virtual circuits to provide optimal site-to-site connectivity?
A. MPLS Layer 3 VPNs
B. Layer 2 overlay VPNs
C. GET VPNs
D. peer-to-peer VPNs
Answer: B
Q8. PWS/EoMPLS offers which type of Ethernet services as defined by the MEF?
A. E-Tree
B. E-LAN
C. E-Line
D. E-Interworking
Answer: C
Q9. When implementing VPLS on Cisco routers, which data structure resembles a virtual switch and is used for learning the MAC addresses?
A. VRF
B. VFI
C. SVI
D. BVI
Answer: B
Q10. Implementing H-VPLS instead of VPLS reduces which requirement?
A. having a full mesh of PWs between all the PE routers in the service provider MPLS core
B. having a full mesh of PWs between all the UPE routers
C. having to implement QinQ tagging between the UPE and the NPE
D. having to implement MPLS LDP between the UPE and the NPE
E. the overhead of using BGP or LDP autodiscovery
Answer: A