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Nokia 4A0-116 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Topology-Independent Loop-Free Alternate (TI-LFA) paths
  • Remote Loop-Free Alternate (R-LFA) paths
Topic 2
  • Differences between segment routing and other traditional MPLS label signaling protocols
  • MPLS data encapsulation and forwarding
Topic 3
  • Steering traffic into flex-algo segment routing tunnels
  • Advertisement of flex-algo information by IS-IS
Topic 4
  • Configuring segment routing LSPs calculated by the PCE
  • SR-TE with a path computation element
Topic 5
  • Segment routing tunnels with traffic engineering constraints
  • Enabling traffic engineering
Topic 6
  • Precedence of the different LFA options
  • Enabling segment routing fast re-route
  • Path Computation Element Protocol (PCEP)
Topic 7
  • Using segment routing tunnels with TE constraints (SR-TE)
  • Label stack reduction for CSPF-calculated paths
Topic 8
  • Link-state routing protocol extensions to support traffic engineering
  • Configuring OSPF to advertise TE information
Topic 9
  • Local calculation of a TE-constrained LSP path
  • Secondary LSP paths and seamless-BFD
  • Ensuring LSP path diversity
Topic 10
  • Advertisement of flex-algo information by OSPF
  • Flexible algorithm configuration
  • Flexible algorithm basics
Topic 11
  • Using segment routing tunnels that follow the IGP shortest path
  • Basic segment routing configuration and operation
Topic 12
  • Link-state routing protocol extensions to support segment routing
  • Configuring OSPF to support segment routing

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4A0-116 Exam Questions - Nokia Segment Routing Exam Exam Tests & 4A0-116 Test Guide

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Nokia Segment Routing Exam Sample Questions (Q23-Q28):

NEW QUESTION # 23
Which of the following steps is NOT required when configuring IS-IS to support Segment Routing?

  • A. The flooding scope of Segment Routing information.
  • B. Enable interfaces used for Segment Routing under
  • C. The Segment Routing Global Block range.
  • D. MPLS label range reserved for Segment Routing.

Answer: B

Explanation:
Enable interfaces used for Segment Routing under: This step is not required, enabling interfaces used for Segment Routing is not necessary as the IS-IS protocol already takes care of the flooding of the routing information.


NEW QUESTION # 24
Which of the following is not required to be advertised by a router participating in Segment Routing?

  • A. Local Node-SID
  • B. SRGB when SRv6 is configured
  • C. Adjacency-SIDs
  • D. Support for SR-MPLS for IPv4 or IPv6, or SRv6

Answer: B

Explanation:
SRGB when SRv6 is configured: This is not required to be advertised, SRGB(Segment Routing Global Block) is only used for SR-MPLS and is not needed when SRv6 is configured. Instead, SRv6 uses the IANA-assigned IPv6 address space.


NEW QUESTION # 25
To create a flex-algo instance in a network, which of the following configuration steps is mandatory?

  • A. Configuring LSPs between every pair of PE routers.
  • B. Configuring at least one router in the network to create and advertise the flex-algo definition.
  • C. Configuring the proper values for the shared-risk link groups (SRLGs) that will define the flex-algo topology.
  • D. Specifying whether the LSP paths will be computed locally or by an external path computation element (PCE).

Answer: B

Explanation:
To create a flex-algo instance in a network, it's mandatory to configure at least one router in the network to create and advertise the flex-algo definition, This is the first step in creating a flex-algo instance, and it's done by defining the flex-algo instance and its properties on one or more routers in the network.
The other steps are important to fine-tune the flex-algo instance, but not mandatory to create it.
Configuring the proper values for the shared-risk link groups (SRLGs) that will define the flex-algo topology.
Specifying whether the LSP paths will be computed locally or by an external path computation element (PCE).
Configuring LSPs between every pair of PE routers.


NEW QUESTION # 26
Examine the exhibit. Based upon the configuration, which routers will the LSP go through?

  • A. R1, R3, R2, R5, R4 and R6
  • B. R1, R3, R4 and R6
  • C. R1, R2, R5 and R6
  • D. R1, R2, R4 and R6

Answer: B


NEW QUESTION # 27
Based on the configuration shown for routers R1 and R10, what valid flex-algo definitions exist in the network?

  • A. One valid flex-algo definition, using te-metric as the link metric and including blue links.
  • B. One valid flex-algo definition, using delay as the link metric and including green links.
  • C. No valid flex-algo definitions, because of the conflicting parameters.
  • D. Two valid flex-algo definitions, one uses te-metric as the link metric and includes blue links and the other uses delay as the link met includes green links.

Answer: D


NEW QUESTION # 28
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