BL0-100: Nokia Bell Labs 5G Foundation ExamDemo

By Nokia · Browse Mode
About the Exam

This exam is the mandatory written exam for the Nokia Bell Labs 5G Associate Certification. It is intended for students and other learners who need a foundational understanding of 5G concepts and frameworks. The certification content covers 5G networking, distributed cloud, network slicing, security, and industrial automation. Passing demonstrates basic knowledge of the business issues, principles, and technical pillars needed to participate in 5G planning and strategy.

Exam Topics

  • The 5G imperative17%
  • Foundation of 5G networking17%
  • Foundation of distributed cloud17%
  • Foundation of network slicing17%
  • Foundation of security17%
  • Foundation of 5G industrial automation17%

How to Use This Practice Exam

  1. Browse — Read each question, select your answer, and reveal the explanation.
  2. Exam Mode — Simulate real exam conditions with a timed session and score report.
  3. Learn Mode — Spaced repetition schedules questions you struggle with for long-term retention.

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Last updated July 14, 2026 at 2:43 PM

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QuestionQ1

Foundation of distributed cloud

What does the Unstructured Data Storage Function (UDSF) do?

  • A This network function exposes 5G Core Network functionalities available to 3rd parties, so that 3rd party capabilities and events may be securely exposed by the Network Exposure Function (NEF).
  • B This network function is part of data repositories in the Common Data Layer. It stores 3GPP standardized data.
  • C This network function is part of data repositories in the Common Data Layer and in opposition to the UDR, it stores non-standardized – Unstructured – data.
  • D This network function stores or retrieves subscriptions, profiles, and authentication data to or from the data repositories. It offers services to the AMF, SMF, NEF and AUSF using the Service Based Interface.
Explanation

The UDSF is a Common Data Layer data-repository function for non-standardized, unstructured data. It differs from the UDR, which stores 3GPP-standardized data. 3GPP defines UDSF as a data repository and specifies unstructured data storage services in TS 29.598.

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QuestionQ2

Foundation of distributed cloud

What is the greatest allowable distance between an Edge Cloud and an end user?

  • A 1,000 KM
  • B 5,000 KM
  • C 10,000 KM
  • D 300 KM
Explanation

In the Nokia edge-cloud classification used here, an Edge Cloud can be located up to 1,000 km from the end user. Workloads requiring tighter latency can use more localized edge placement, but that does not change this maximum classification distance.

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QuestionQ3

Foundation of distributed cloud

Which of the following actions does resource elasticity in the cloud enable?

Choose two
  • A Relocate VMs between data centers when a fault is detected.
  • B Deploy VMs across data centers when a new slice is needed.
  • C Add resources to existing VMs when traffic is high.
  • D Add VMs when traffic is high.
Explanation

Cloud elasticity adjusts available capacity as demand changes. Vertical scaling adds compute capacity to an existing resource, while horizontal scaling adds instances such as VMs; both can address high traffic. Microsoft’s Azure Well-Architected Framework defines vertical scaling as adding compute capacity to existing resources and horizontal scaling as adding instances of a resource.

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QuestionQ4

Foundation of distributed cloud

What is the primary advantage of Cloud RAN?

  • A Increased cell coverage
  • B Better latency
  • C Reduced cost by centralizing some radio functionalities
  • D Increase radio throughput
Explanation

Cloud RAN centralizes and pools some RAN/baseband functions, improving resource utilization and reducing hardware, site, energy, and operational costs. Ericsson identifies cost efficiencies and improved total cost of ownership as key Cloud RAN benefits.

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QuestionQ5

Foundation of 5G networking

Which of these statements concerning 5G Transport is incorrect?

  • A Widely diverse end to end services will require the ability to create a Transport Slice with guaranteed SLAs.
  • B Ultra Reliable Machine to Machine communication will require dependable low latency communication.
  • C Internet of things devices will require a massive increase in network connectivity.
  • D Explosive traffic growth will require statically defined manually configured end to end QoS based services.
Explanation

5G transport is designed for flexible, automated, end-to-end service orchestration and network slicing to accommodate varied QoS and SLA requirements at scale. Statically defined, manually configured QoS services cannot efficiently adapt to explosive traffic growth or the diverse, changing requirements of 5G services.

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