4A0-D01 Actual Exam Questions

Last updated on June 8, 2025.
Vendor:Nokia
Exam Code:4A0-D01
Exam Name:Nokia Data Center Fabric Fundamentals
Exam Questions:35
 

Topic 1 - Exam A

Question #1 Topic 1

Which of the following is NOT one of the reasons why BGP is used as the routing protocol in the data center?

  • A. It is more efficient than link-state protocols like IS-IS and OSPF.
  • B. BGP neighbors automatically discover each other.
  • C. It is a well understood and mature routing protocol.
  • D. It supports both IPv4 and IPv6.
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Correct Answer: A 🗳️

Question #2 Topic 1

Which of the following statements about the data center’s leaf-spine topology (clos network) is FALSE?

  • A. Each leaf router is connected to all the spine routers in the cluster.
  • B. It provides a consistent path for east-west traffic.
  • C. It uses the spanning tree protocol to avoid forwarding loops.
  • D. It uses ECMP to distribute traffic across duplicate links.
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Correct Answer: C 🗳️

Question #3 Topic 1

Which of the following is NOT a function of Nokia’s SR Linux application manager?

  • A. It monitors the health of all applications.
  • B. It manages the SR Linux and customer-defined applications.
  • C. It reads the application’s configuration information and starts each application.
  • D. It translates the application’s YANG model into protobufs for the IDB.
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Correct Answer: D 🗳️

Question #4 Topic 1

Which of the following statements about the YANG model used in Nokia’s SR Linux is FALSE?

  • A. All configuration and state information is defined as a YANG model.
  • B. The YANG model uses a tree structure with “leafs” as the branches and “containers” as the data components.
  • C. The YANG model can be converted into other formats such as JSON or XML.
  • D. The YANG model provides a standardized way for applications to retrieve SR Linux configuration and state information.
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Correct Answer: B 🗳️

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