Download Nokia Multi Protocol Label Switching.4A0-103.ActualTests.2019-03-26.135q.vcex

Vendor: Nokia
Exam Code: 4A0-103
Exam Name: Nokia Multi Protocol Label Switching
Date: Mar 26, 2019
File Size: 5 MB
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Demo Questions

Question 1
Which of the following indicates the path over which an LSP's tail end router will return an RSVP RESV message?
  1. The IGP FIB.
  2. The Reservation State Block (RSB)
  3. The Path State Block (PSB)
  4. The opaque database.
Correct answer: C
Question 2
During node protection signaling, the PLR knows the address of the MP from which of the following methods?
  1. The PLR issues a RSVP path message to the destination router to request the address of the MP.
  2. The PLR learns the address of the MP from the ERO.
  3. The PLR learns the address of the MP from the RRO
  4. The PLR learns the address of the MP from the targeted RSVP hello message.
  5. The PLR does not need to know the address of the MP.
Correct answer: C
Question 3
What is the significance of receiving a packet with the bottom MPLS label S bit set to 1?
  1. It results in forwarding based on the next packet header.
  2. It indicates that the label is the bottom of the MPLS label stack.
  3. It indicates that the label is the top of the MPLS label stack.
  4. Any LSR that receives an S bit set to 1 must discard the packet.
Correct answer: B
Question 4
Which command can be used to verify the LDP settings for label distribution and retention?
  1. show router ldp default
  2. show router ldp parameters
  3. show router ldp settings
  4. show router mpls settings
  5. show router mpls label-options
Correct answer: B
Question 5
Click on the exhibit button below. 
  
Assuming that LSP R1-R2-R3 requests the default fast reroute configuration, which router becomes a DMP for the detour tunnels?
  1. Router R1
  2. Router R2
  3. Router R3
  4. Router R4
  5. Router R5
Correct answer: E
Question 6
Assume that, on the Alcatel-Lucent 7750 SR, an LSP is configured with one-to-one FRR and node protection. Which of the following statements are FALSE? (Choose two)
  1. Each PLR signals a detour LSP that avoids the downstream node. If the downstream node cannot be avoided, a detour LSP that avoids the downstream link is signaled.
  2. The detour LSP can take one or more hops before merging back on the protected LSP.
  3. The merge point of the protected LSP must be the next-next-hop node
  4. The ingress router will set the local protection desired flag in the session attribute object of the path message to inform all routers along the protected LSP path to establish detour LSPs.
  5. The label recording desired flag must be set in the session attribute object in order for the PLR to know what label to swap when using the detour LSP.
Correct answer: CE
Question 7
Which of the following is defined by the following statement? All label mappings received from all peer LSRs are saved.
  1. Conservative label retention
  2. Liberal label retention.
  3. Downstream on demand.
  4. Downstream unsolicited.
Correct answer: B
Question 8
What is the common usage of the MPLS EXP bits?
  1. Each implementation can use them as they see fit.
  2. They are used to carry the Ethertype value.
  3. They are used to carry the TTL value.
  4. They are used to carry QoS classification.
  5. They are used to carry fragmentation flag information
Correct answer: D
Question 9
If an LSP's loose primary path includes the statement "include green" and "exclude red;" how does CSPF choose the LSP's path?
  1. CSPF chooses a link that is a member of both administrative groups
  2. CSPF chooses only those links that are NOT members of the green admin group
  3. CSPF prunes the green links and uses these links for the secondary path
  4. CSPF signals the LSP path over the green links only, and prunes all other links
Correct answer: D
Question 10
Click on the exhibit button below. 
  
Given the configuration below, which of the following scenarios is FALSE?
  1. Both the primary and secondary paths are explicitly defined.
  2. The primary path is active and the secondary path is in hot standby.
  3. The LSP defined will use the primary path and will signal the secondary path to become active if the primary path fails.
  4. The LSP has the same source and destination for both primary and secondary paths.
Correct answer: B
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