Download Nokia Multi Protocol Label Switching.4A0-103.ActualTests.2018-06-24.150q.vcex

Vendor: Nokia
Exam Code: 4A0-103
Exam Name: Nokia Multi Protocol Label Switching
Date: Jun 24, 2018
File Size: 5 MB
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Demo Questions

Question 1
Which of the following are characteristics of an LSP? (Choose two) 
  1. It is unidirectional.
  2. It is bidirectional.
  3. It must always have a secondary path.
  4. It provides a specific tunnel for a FEC through the network.
  5. It always follows the IGP best path.
Correct answer: AD
Question 2
In MPLS, at which device are packets assigned to a FEC?
  1. LSR
  2. LER
  3. eLER
  4. iLER
  5. CE
Correct answer: D
Explanation:
 
 
Question 3
When configuring an LSP for fast reroute one-to-one protection, which of the following statements is true?
  1. The LSP can also use facility backup.
  2. The LSP is limited to node protection.
  3. You cannot request bandwidth on the protected LSP.
  4. Node protection can be disabled.
Correct answer: D
Question 4
Which of the following are functions of the MPLS control plane in a router? (Choose two)
  1. Label allocation and management.
  2. Label swapping.
  3. Pushing a label on an unlabeled packet.
  4. Label signaling.
  5. Routing lookups.
Correct answer: AD
Question 5
Which of the following statements regarding RSVP refresh reduction are true? (Choose two)
  1. Message-IDs replace individual refresh messages.
  2. Refresh reduction applies only to reservation messages.
  3. RSVP generates a summary-refresh message for each LSP. 
  4. An LSP state change causes an incremented Message-ID.
Correct answer: AD
Question 6
Which of the following reservation styles can be used to prevent both the primary and secondary paths from booking resources on a common link?
  1. Fixed filter
  2. Shared explicit
  3. Standby explicit LSP
  4. Preemptive filter
  5. Link capacity filter
Correct answer: B
Question 7
Which of the following statements regarding RSVP-TE is FALSE?
  1. RSVP-TE operates in a downstream unsolicited label advertisement mode.
  2. RSVP-TE makes use of ordered control mode.
  3. RSVP-TE is an MPLS signaling protocol, based on the resource reservation protocol.
  4. RSVP-TE enables the establishment of explicitly routed LSPs that can be automatically routed away from network failures
  5. RSVP-TE supports explicitly routed LSPs using either loose or strict route definitions.
Correct answer: A
Explanation:
 
 
Question 8
Click on the exhibit button below: 
  
Consider the following:
  • Router R2 is an ABR in OSPF Areas 0 and 1. 
  • Router R2 advertises the aggregate prefix 10.10.10.0/24 into Area 1. 
  • Router R1 in Area 0 generates LDP labels for FECs 10.10.102/31 and 10.10.10.4/31 
Router R3 in Area 1 places these FECs in its LIB, but it does not place them in its LFIB. What can you do on router R3 to make it populate these labels in its LFIB?
  1. Disable route summarization on router R3
  2. Enable LDP aggregate prefix match
  3. Create an import policy to accept these FECs
  4. Disable LDP exact match on the specified FECs
Correct answer: B
Question 9
An LSP path is configured as follows:
  • Shared-explicit reservation style 
  • Make-before-break (MBB) enabled 
  • 500Mpbs bandwidth reserved on a 1Gbps link 
With 100Mbps of unreserved bandwidth remaining, the operator increases the LSP-path's bandwidth reservation to 900Mbps. What happens to the existing LSP?
  1. CSPF looks for the delta bandwidth, taking down the first path if necessary.
  2. CSPF looks for the delta bandwidth, implementing make-before-break.
  3. After 5 failed attempts to find the bandwidth requested, the head end disables the LSP.
  4. CSPF looks for the entire bandwidth requested, implementing MBB.
Correct answer: B
Question 10
Which approach to LSP path diversity provides the most control, but the least flexibility? 
  1. Administrative Groups
  2. Shared Risk Link Groups
  3. Strict hop LSP paths
  4. Fast reroute
Correct answer: C
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