- (Exam Topic 4)
Refer to the exhibit.

An engineer has configured router 1 to provide shared services to clients behind router 2. To complete the implementation so that routes from router 1 are accepted, what must the engineer configure on router 2?

1. A. with import route targets 101:102 and 202:201
2. B. with import route targets 201:202 and 401:402
3. C. with export route targets 301:202 and 101:102
4. D. with export route targets 201:202 and 401:402

Correct Answer: B

- (Exam Topic 3)
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.)

1. A. mandatory creation of PE-to-PE BGP sessions between the outgoing interface IP addresses
2. B. advertisement of standard communities, enabled on the PE-to-PE BGP neighbors
3. C. creation of PE-to-PE BGP sessions between loopback IP addresses
4. D. full mesh of IBGP sessions
5. E. full mesh of EBGP sessions and partial mesh of IBGP sessions
6. F. advertisement of extended communities, enabled on the PE-to-PE BGP neighbors

Correct Answer: CDF

- (Exam Topic 1)
Which utility can you use to validate an LSP in an MPLS environment?

1. A. uRPF
2. B. MPLS LSP ping
3. C. logging
4. D. RSVP

Correct Answer: B

- (Exam Topic 4)
What do routers on the network use to avoid routing loops when OSPF is running as the PE-CE routing protocol on a service provider network?

1. A. the AS-Override feature
2. B. the DN bit with type 3, 5, or 7 LSA
3. C. the domain tag for type 2 LSA
4. D. sham links to create a super backbone over the service provider network

Correct Answer: B

- (Exam Topic 4)
How do Ethernet virtual circuits provide a way for service providers to maximize the use of VLAN tags'-1

1. A. They add an additional tag to VLANs that allows up to two switch ports to use the same globallyconfigured VLAN ID.
2. B. They redefine the VLAN tag to include classification, forwarding, and QoS using MPLS labels and EXP bits
3. C. They separate the classification and forwarding concepts for VLAN tagging which allows multiple switch ports to use the same VLAN ID without it being configured globally.
4. D. They assign VLAN IDs to VTP domains so that the same VLAN ID are used more than once globally.

Correct Answer: C