Download Nokia Virtual Private Routed Networks.prep4sure.4A0-106.2019-03-26.1e.108q.vcex

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Exam Alcatel-Lucent Virtual Private Routed Networks
Number 4A0-106
File Name Nokia Virtual Private Routed Networks.prep4sure.4A0-106.2019-03-26.1e.108q.vcex
Size 9.36 Mb
Posted March 26, 2019
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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.)

  • 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



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



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



Question 4
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



Question 5
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)

  • A: Distributing the customer generated labels between sites
  • B: Distributing the customer routing information between
  • C: Forwarding the customer originated data packets to the appropriate destination
  • D: Forwarding the provider originated data packets to the appropriate customer site
  • E: Providing secure layer 3 routing exchange between sites



Question 6
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.

  • A: There will be increased memory usage on the PE
  • B: There will be increased CPU utilization on the PE
  • C: The CE will reject the overlapping prefix
  • D: The PE will not recognize the prefixes as being different
  • E: There is no issue with overlapping address space in a traditional Layer 3 VPN



Question 7
Complete the following statement. In a VPRN, the label signaled by RSVP-TE is used to ______________.

  • A: Identify the egress PE in the MPLS domain
  • B: Signal the egress VPRN ID
  • C: Identify the ingress PE in the MPLS domain
  • D: Transport route updates between PEs



Question 8
What operation is performed by a P device on the label signaled by MP-BGP when it receives a labeled packet for a VPRN service?

  • A: It will label switch the packet based on this label
  • B: It will decrement the TTL and label switch the packet based on this label
  • C: It will SWAP the label for a new label and then label switch the packet
  • D: The P router does not perform any operation on this label



Question 9
Which of the following statements is true? Choose the best answer.

  • A: A P router may forward customer packets to their destination without the presence of a route to that destination
  • B: The ingress PE router may forward customer packets to their destination without the presence of a route to that destination
  • C: The egress PE router may forward customer packets to their destination without the presence of a route to that destination
  • D: Any provider core router (P or PE) may forward customer packets to their destination without the presence of a route to that destination



Question 10
Which of the following statements is true regarding the Route Distinguisher? (Choose three)

  • A: It is an 8 byte value containing 3 fields
  • B: The Route Distinguisher must have the same value as the Route Target.
  • C: The Administrator field contains either an AS number or an IP number
  • D: To ensure uniqueness, Route Distinguishers are assigned by the IANA.
  • E: The Route Distinguisher is not used if the customer addresses do not overlap
  • F: The Assigned Number field must contain a public IP address









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