Download Nokia Virtual Private Routed Networks.4A0-106.Prep4Sure.2019-03-26.108q.vcex

Vendor: Nokia
Exam Code: 4A0-106
Exam Name: Nokia Virtual Private Routed Networks
Date: Mar 26, 2019
File Size: 9 MB
Downloads: 1
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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
Choose the answer that best completes the following sentence. The CE device is typically configured with _________________.
  1. A single routing protocol for exchanging routes with both the internal customer routers and with the PE
  2. MP-BGP to exchange routes with the PE.
  3. MPLS and a routing protocol for the exchange of labels and routes with the PE
  4. MPLS for exchanging labels with other CE devices
  5. A routing protocol for exchanging routes with the internal customer routers and a routing protocol for exchanging routes with the PE
Correct answer: E
Question 3
Which of the following terms also correctly describes a Layer 3 VPN?(Choose three)
  1. VPRN
  2. BGP/MPLS VPN
  3. VLL
  4. VPLS
  5. IP-VPN
  6. ePipe
Correct answer: ABE
Question 4
Which of the following statements are true regarding P devices in an MPLS VPRN? (Choose two.)
  1. Participate in service provider core routing
  2. P devices are not required to be MPLS enabled. MPLS is only required on the PE devices
  3. Run a common routing protocol with the CE router
  4. Must support MP-BGP
  5. Do not have any connections to the CE
  6. Must be aware of the VPRNs
Correct answer: AE
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)
  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 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.
  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 7
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 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?
  1. It will label switch the packet based on this label
  2. It will decrement the TTL and label switch the packet based on this label
  3. It will SWAP the label for a new label and then label switch the packet
  4. The P router does not perform any operation on this label
Correct answer: D
Question 9
Which of the following statements is true? Choose the best answer.
  1. A P router may forward customer packets to their destination without the presence of a route to that destination
  2. The ingress PE router may forward customer packets to their destination without the presence of a route to that destination
  3. The egress PE router may forward customer packets to their destination without the presence of a route to that destination
  4. Any provider core router (P or PE) may forward customer packets to their destination without the presence of a route to that destination
Correct answer: A
Question 10
Which of the following statements is true regarding the Route Distinguisher? (Choose three)
  1. It is an 8 byte value containing 3 fields
  2. The Route Distinguisher must have the same value as the Route Target.
  3. The Administrator field contains either an AS number or an IP number
  4. To ensure uniqueness, Route Distinguishers are assigned by the IANA.
  5. The Route Distinguisher is not used if the customer addresses do not overlap
  6. The Assigned Number field must contain a public IP address
Correct answer: ABC
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