Juniper JN0-140 : Certified Internet Associate (JNCIA-AC) 140 Exam

  • Exam Code: JN0-140
  • Exam Name: Certified Internet Associate (JNCIA-AC) 140 Exam
  • Updated: Jul 18, 2026
  • Q & A: 120 Questions and Answers

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Juniper JN0-140 Exam Syllabus Topics:

SectionObjectives
Topic 1: Juniper Junos OS Fundamentals- Junos architecture and components
- Operational vs configuration mode
- CLI navigation and configuration basics
Topic 2: Monitoring and Troubleshooting- Logging and monitoring tools in Junos
- Basic troubleshooting workflows
- Interface and session monitoring
Topic 3: Application Control Concepts- Application identification and classification
- Security policy fundamentals
- Policy enforcement and traffic control
Topic 4: Networking Fundamentals- Basic routing and switching concepts
- IP addressing and subnetting basics
- OSI model and TCP/IP fundamentals
Topic 5: Network Security Fundamentals- Zone-based security architecture
- Threat prevention basics
- Firewall concepts and filtering

Juniper Certified Internet Associate (JNCIA-AC) 140 Sample Questions:

1. When setting up an Infranet Controller as a backup server, which two options would you not want to import? (Choose two.)

A) digital certificate
B) authentication servers
C) user roles
D) network settings


2. Which two actions are required to configure an Infranet Enforcer to communicate with an Infranet Controller? (Choose two.)

A) Enable route mode.
B) Set certificate validation options.
C) Configure DNS.
D) Enable SSH.


3. On the Infranet Controller Admin UI, how can you dynamically refresh the roles for all signed-in users in the Guest realm only?

A) On the Troubleshooting > Commands page, click the "Refresh Users by Realm" button and select Guest.
B) On the Users > User Realms > Guest > General page, click the "Refresh Now" button under Dynamic Policy Evaluation
C) On the Signing In > Sign-In Policies page, click the "Refresh Now" button next to the user URL that is mapped to the Guest realm.
D) On the System > Status > Active Users page, click the "Refresh Roles" button.


4. What must be updated regularly to detect the newest versions of personal firewalls on endpoints?

A) Infranet Enforcer firmware
B) Endpoint Security Assessment Plug-in (ESAP)
C) Infranet Controller rollback software
D) Host Security Assessment Plug-in (HSAP)


5. Which three additional resource policies are required when configuring IPsec in route mode with NAT? (Choose three.)

A) Auth Table Mapping
B) Source Interface
C) IPsec Routing
D) IP Pools
E) Resource Access


Solutions:

Question # 1
Answer: A,D
Question # 2
Answer: B,D
Question # 3
Answer: B
Question # 4
Answer: B
Question # 5
Answer: C,D,E

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