A training guide of Alcatel lucent 4A0-106 questions and answer

Alcatel-Lucent

4A0-106

Question: 1

In a VPRN the PE device is configured to run which of the following protocols? (Choose three.) 

A. MP-BGP for exchanging customer routes with other PEs 

B. A routing protocol for exchanging customer routes with the CE 

C. MPLS for exchanging labels with other provider core devices 

D. MPLS for exchanging labels with the CE devices 

E. Targeted LDP for exchanging VPRN labels with other PE devices 

F. A label signaling protocol for defining transport tunnels between PE and CE devices 

Answer: A, B, C

Question: 2

Choose the answer that best completes the following sentence. The CE device is typically configured with ___________________________. 

A. A single routing protocol for exchanging routes with both the internal customer routers and with the PE 

B. MP-BGP to exchange routes with the PE . 

C. MPLS and a routing protocol for the exchange of labels and routes with the PE 

D. MPLS for exchanging labels with other CE devices 

E. A routing protocol for exchanging routes with the internal customer routers and a routing protocol for exchanging routes with the PE 

Answer: E

Question: 3

Which of the following terms also correctly describes a Layer 3 VPN? (Choose three) 

A. VPRN 

B. BGP/MPLS VPN 

C. VLL 

D. VPLS 

E. IP-VPN 

F. ePipe 

Answer: A, B, E

Question: 4

What are the main functions of a Layer 3 VPN? (Choose three). 

A. Distributing customer routing information between sites 

B. Forwarding customer data packets 

C. Providing an integrated billing solution 

D. Maintaining separation between distinct customer networks 

E. Allowing the implementation of Layer 3 devices in the provider core 

Answer: A, B, D

Question: 5

Which of the following statements are true regarding P devices in an MPLS VPRN? (Choose two.) 

A. Participate in service provider core routing 

B. P devices are not required to be MPLS enabled. MPLS is only required on the PE devices 

C. Run a common routing protocol with the CE router 

D. Must support MP-BGP 

E. Do not have any connections to the CE 

F. Must be aware of the VPRNs 

Answer: A, E

Question: 6

What are the two primary problems the service provider must consider when providing traditional Layer 3 VPN services using only a single common routing table in the provider core? (Choose two) 

A. Memory exhaustion in the provider core 

B. Route leaking between the customer networks 

C. CPU utilization for route processing 

D. Unwanted packet forwarding between customer networks 

Answer: B, D