Download Nokia Virtual Private Routed Networks.4A0-106.PracticeTest.2018-11-09.116q.vcex

Vendor: Nokia
Exam Code: 4A0-106
Exam Name: Nokia Virtual Private Routed Networks
Date: Nov 09, 2018
File Size: 10 MB
Downloads: 1
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Demo Questions

Question 1
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 2
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 3
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 4
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 5
In a VPRN, how does the service provider ensure that customer addresses are unique when multiple customers use the same address space?
  1. It is the customer responsibility to ensure their address space is unique
  2. The Route Distinguisher ensures that addresses are unique between customers.
  3. The Route Target ensures that addresses are unique between customers
  4. The provider will advise the customers to change their addresses
  5. The provider will use NAT to ensure that addresses are unique between customers
Correct answer: B
Question 6
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
Question 7
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 8
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
Question 9
VPN-IPv4 addressing is made unique by defining an address structure consisting of:
  1. A 32 bit IPv4 address followed by a 64 bit Route Target
  2. A 32 bit IPv4 address followed by a 64 bit Route Distinguisher
  3. A 64 bit Route Target followed by a 32 bit IPv4 address
  4. A 64 bit Route Distinguisher followed by a 32 bit IPv4 address
  5. A 32 bit Route Distinguisher followed by a 32 bit IPv4 address FA 32 bit Route Target followed by a 32 bit IPv4 address
Correct answer: D
Question 10
What is the purpose of the Route Distinguisher?
  1. It defines the VPN membership
  2. It defines which routes are imported into the vrf
  3. It defines which routes are exported from the vrf
  4. It is used to make IPv4 addresses unique
  5. It is used as the VPN label
Correct answer: D
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