About the Exam

This retired Juniper associate-level written exam belonged to the Design track and was aimed at networking professionals and designers with beginner knowledge of network design, theory, and best practices. It covered Juniper design principles and associated technologies and tested understanding of network design fundamentals. Juniper retired JN0-1101 on December 13, 2020, and released JN0-250 as the replacement exam on December 14, 2020.

Exam Topics

  • Cloud Fundamentals0%
  • Cloud Infrastructure (NFV and SDN)0%
  • Network Virtualization0%
  • Cloud Virtualization0%
  • Cloud Orchestration with OpenStack0%
  • Cloud Orchestration with Kubernetes0%
  • Cloud Orchestration with OpenShift0%

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Last updated November 17, 2025 at 8:32 PM

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QuestionQ1

Cloud Fundamentals

Which three actions are included in business continuity planning?

Choose three
  • A Assess the risks.
  • B Know your staff.
  • C Know your network.
  • D Understand your tools.
  • E Test the plan.
Explanation

Business-continuity planning requires an inventory and understanding of the network and its dependencies, risk assessment to identify threats and impacts, and testing or exercises to validate that recovery procedures will work. NIST contingency-planning guidance likewise incorporates risk management and testing, training, and exercises as essential planning activities.

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QuestionQ2

Cloud Infrastructure (NFV and SDN)

You must stop zero-day threats while designing a secure network. Files must not be permitted to leave the local network.

Which Juniper Networks product will meet this requirement?

  • A UTM
  • B Sky ATP
  • C JATP
  • D SDSN
Explanation

The JATP Appliance provides Juniper Advanced Threat Prevention as a virtualized on-premises solution. It can analyze and block known and zero-day malware while keeping file analysis within the local environment, unlike ATP Cloud/Sky ATP, which sends files to a cloud service for analysis.

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QuestionQ3

Cloud Fundamentals

In a network design that uses the traditional tiered architecture, which two tiers connect to untrusted domains?

Choose two
  • A access
  • B WAN edge
  • C core
  • D aggregation
Explanation

The WAN edge forms the boundary to external WAN or service-provider networks, and the aggregation tier provides the interdomain aggregation and policy boundary before traffic enters the internal core. The core is intended for high-speed internal transport rather than direct connections to untrusted domains.

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QuestionQ4

Network Virtualization

You have several virtual machines in a hypervisor deployment in a data center. Your client needs to enforce security controls on east-west traffic among the virtual machines.

Which solution should you recommend for this situation?

  • A JATP
  • B Sky ATP
  • C Virtual Chassis
  • D vSRX
Explanation

vSRX is a virtualized next-generation firewall intended for virtualized environments and can enforce security for east-west traffic between virtual machines in a data center.

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QuestionQ5

Cloud Infrastructure (NFV and SDN)

Refer to the exhibit.

Question Image

Which device serves as the authenticator in the illustrated 802.1X design?

  • A Device C
  • B Device A
  • C Device D
  • D Device B
Explanation

An 802.1X authenticator is the network-access device that controls access on the supplicant-facing port and forwards EAP authentication exchanges to the RADIUS authentication server. The EX Series switch performs that role; endpoints are supplicants and the RADIUS server is the authentication server.

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