Juniper Security, Associate (JNCIA-SEC) : JN0-230

  • Exam Code: JN0-230
  • Exam Name: Security, Associate (JNCIA-SEC)
  • Updated: Aug 17, 2026
  • Q & A: 85 Questions and Answers

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About Juniper Security, Associate (JNCIA-SEC) : JN0-230 Exam

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JN0-362 Exam Reference

Reference: https://www.juniper.net/us/en/training/certification/tracks/security/jncia-sec.html

Understanding functional and technical aspects of Layer 2 Bridging or VLANS

The following will be discussed in JN0-362 exam dumps:

  • Port roles and states
  • BPDUs
  • Bridging elements and terminology
  • Spanning-Tree Protocols
  • Identify the concepts, benefits, operation, or functionality of Spanning Tree Protocol and its variants
  • Interfaces and ports
  • MPLS packet header
  • Convergence and reconvergence
  • BPDU, loop, and root protection
  • Demonstrate knowledge of how to configure, monitor, or troubleshoot STP and its variants
  • IRB
  • IRB
  • RSVP
  • Identify the concepts, operation, or functionality of MPLS
  • Spanning-tree security
  • STP, RSTP, MSTP and VSTP concepts
  • MVRP
  • MVRP
  • Demonstrate knowledge of how to configure, monitor, or troubleshoot Layer 2 bridging or VLANs
  • Provider bridging (for example, Q-in-Q Tunneling)
  • Provider bridging
  • Identify the concepts, benefits, or functionality of VLANs
  • MPLS terminology
  • Virtual Switches
  • Service provider switching platforms
  • MPLS and routing tables
  • Labels and the label information base
  • Identify the concepts, operation, or functionality of Layer 2 bridging for the Junos OS
  • Multiprotocol Label Switching (MPLS)
  • Spanning-tree protocols: STP, RSTP, MSTP, and VSTP
  • VLANs
  • MPLS forwarding
  • Tagging
  • LDP
  • RSVP-signaled and LDP-signaled LSPs
  • End-to-end packet flow and forwarding
  • Demonstrate knowledge of how to configure, monitor, or troubleshoot MPLS
  • Port modes
  • Frame processing

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Juniper JN0-230 Exam Syllabus Topics:

SectionWeightObjectives
SRX Series Service Gateways20%- Initial configuration and J-Web
- Traffic flow and security processing
- Interfaces and hardware components
- Junos OS architecture
- vSRX virtual firewall
Security Policies25%- Policy rules and actions
- Integrated user firewall
- Unified and application firewall policies
- Zone-based and global policies
Network Address Translation (NAT)15%- Static NAT
- Source NAT
- Destination NAT
- NAT processing order
Junos Security Objects20%- Zones and interfaces
- Schedules and policy elements
- Applications and application sets
- Addresses and address sets
Content Security & Advanced Threat Protection10%- Unified Threat Management (UTM)
  • 1. Content filtering
    • 2. Antivirus
      • 3. Antispam
        • 4. Web filtering
          - Sky ATP
          - Monitoring, logging, and reporting
          IPsec VPNs10%- Policy-based VPNs
          - Route-based VPNs
          - IPsec fundamentals

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