JN0-251: Mist AI, Associate (JNCIA-MistAI)

By Juniper · Browse Mode
About the Exam

Juniper retired JN0-251 on April 21, 2024 and replaced it with JN0-252. This associate-level exam in the Mist AI track was designed for wireless LAN networking professionals with introductory knowledge of wireless networking using Mist AI. Passing demonstrated basic understanding of WLAN and Mist AI technology, features, and functionality.

Exam Topics

  • Juniper Mist Cloud Fundamentals13%
  • Juniper Mist Configuration Basics27%
  • Juniper Mist Network Operations and Management24%
  • Juniper Mist Monitoring and Analytics12%
  • Marvis™ Virtual Network Assistant AI10%
  • Location-based Services6%
  • Juniper Mist Cloud Operations8%

How to Use This Practice Exam

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  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 11, 2026 at 6:19 AM

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QuestionQ1

Juniper Mist Monitoring and Analytics

Which device categories does WAN Assurance include?

Choose two
Explanation

Juniper Mist WAN Assurance uses Session Smart Routers (SSR) and SRX Series Firewalls as WAN Edge platforms. EX Series switches belong to Wired Assurance rather than WAN Assurance, and Mist Edge is not a supported WAN Edge device category.

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QuestionQ2

Juniper Mist Cloud Fundamentals

In a production network, which two types of security threats exist?

Choose two
Explanation

Rogue APs are unauthorized access points that can provide unapproved network access. Honeypot APs impersonate or entice wireless clients in order to capture traffic or credentials. Scanning radios detect wireless activity, and neighbor APs are nearby detected access points rather than inherently malicious devices.

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QuestionQ3

Juniper Mist Cloud Fundamentals

Which protocol is used by the REST API?

Explanation

REST APIs use HTTP as the application-layer protocol for requests and responses. HTTPS is HTTP protected by TLS/SSL, whereas SSL itself is not the REST API protocol.

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QuestionQ4

Juniper Mist Network Operations and Management

Which protocol do Mist access points use to discover third-party switches?

Explanation

Mist provides visibility into third-party switches connected to Juniper access points through Link Layer Discovery Protocol (LLDP).

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QuestionQ5

Juniper Mist Cloud Fundamentals

What is a Mist Coverage SLE based on?

Explanation

A Mist Coverage SLE is the percentage of user minutes during which a client’s RSSI, as measured by the access point, meets the configured coverage threshold.

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