Download Nokia Virtual Private Routed Networks.4A0-106.SelfTestEngine.2019-12-16.124q.vcex

Vendor: Nokia
Exam Code: 4A0-106
Exam Name: Nokia Virtual Private Routed Networks
Date: Dec 16, 2019
File Size: 11 MB
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Demo Questions

Question 1
In a VPRN the PE device is configured to run which of the following protocols? (Choose three.)
  1. MP-BGP for exchanging customer routes with other PEs
  2. A routing protocol for exchanging customer routes with the CE
  3. MPLS for exchanging labels with other provider core devices
  4. MPLS for exchanging labels with the CE devices
  5. Targeted LDP for exchanging VPRN labels with other PE devices
  6. A label signaling protocol for defining transport tunnels between PE and CE devices
Correct answer: ABC
Question 2
What are the main functions of a Layer 3 VPN? (Choose three).
  1. Distributing customer routing information between sites
  2. Forwarding customer data packets
  3. Providing an integrated billing solution
  4. Maintaining separation between distinct customer networks
  5. Allowing the implementation of Layer 3 devices in the provider core
Correct answer: ABD
Question 3
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)
  1. Memory exhaustion in the provider core
  2. Route leaking between the customer networks
  3. CPU utilization for route processing
  4. Unwanted packet forwarding between customer networks
Correct answer: BD
Question 4
When a Service Provider offers VPRN services to its customers, which of the following functions are expected to be the responsibility of the Service Provider? (Choose three)
  1. Distributing the customer generated labels between sites
  2. Distributing the customer routing information between
  3. Forwarding the customer originated data packets to the appropriate destination
  4. Forwarding the provider originated data packets to the appropriate customer site
  5. Providing secure layer 3 routing exchange between sites
Correct answer: BCE
Question 5
In a traditional layer 3 VPN which of the following will be an issue when there is overlapping address space between two customers? Choose the best answer.
  1. There will be increased memory usage on the PE
  2. There will be increased CPU utilization on the PE
  3. The CE will reject the overlapping prefix
  4. The PE will not recognize the prefixes as being different
  5. There is no issue with overlapping address space in a traditional Layer 3 VPN
Correct answer: D
Question 6
Complete the following statement. In a VPRN, the label signaled by RSVP-TE is used to ______________.
  1. Identify the egress PE in the MPLS domain
  2. Signal the egress VPRN ID
  3. Identify the ingress PE in the MPLS domain
  4. Transport route updates between PEs
Correct answer: A
Question 7
Complete the following statement. In a VPRN, the inner label is used to _______________.
  1. Identify the customer network on the egress PE
  2. Establish the LSPs between PE devices
  3. Identify the egress PE in the MPLS domain
  4. Identify the customer network on the ingress PE
Correct answer: A
Question 8
Which protocol is used to exchange customer VPRN routes between PE devices?
  1. OSPF
  2. ISIS
  3. MP-BGP
  4. BGP
  5. Targeted LDP
Correct answer: C
Question 9
In a VPRN, which of the following are supported as PE-CE routing methods on the Alcatel-Lucent 7750 SR? (Choose four).
  1. Static
  2. RIP
  3. OSPF
  4. IS-IS
  5. MP-BGP
  6. BGP
Correct answer: ABCF
Question 10
Which method does the Alcatel-Lucent 7750 SR use for the allocation of VPRN labels?
  1. One label per route
  2. One label per next-hop
  3. One label per VRF
  4. One label per prefix
  5. One label per tunnel
Correct answer: C
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