JUNIPER NETWORKSJuniper Networks Certified Associate, Design
The Juniper Networks Certified Associate, Design (JNCIA-Design) certification validates your understanding of network design fundamentals, from customer requirements and security principles to campus, branch, and data center design. It is built for networking professionals and designers with beginner-level knowledge who want to demonstrate their grasp of Juniper design best practices. Earning it establishes your credibility in designing reliable, secure, and scalable networks.
736 practice questions · Updated 2026-07-30
6Domains
28Objectives
184Concepts
736Questions
JN0-1103 Curriculum
Every domain, objective, and concept the JN0-1103 exam measures.
- Juniper Life-Cycle Service Approach overview
- Phase identification and sequencing
- Requirements gathering
- Network assessment and gap analysis
- Design and architecture development
- Implementation planning
- Validation and testing
- Deployment and migration
- Operations and support transition
- Continuous optimization and lifecycle management
- Proposal Boundaries
- Considerations in Proposal Development
- Greenfield Deployment Definition
- Brownfield Deployment Definition
- Design Considerations for Greenfield
- Design Considerations for Brownfield
- Impact on Customer Requirements
- Top-Down Network Design Methodology
- Business Requirements Analysis
- Technical Requirements and Constraints
- Logical Design Development
- Physical Design Implementation
- Design Validation and Optimization
- Capacity Planning Fundamentals
- Traffic Analysis
- Bandwidth Estimation
- Scalability Considerations
- Redundancy and Resilience
- Performance Metrics
- Capacity Planning Tools
- Router Roles
- Switch Roles
- Security Product Roles
- WLAN Product Roles
- SDN Product Roles
- Network Management Product Roles
- Security Design Principles
- Threat Modeling
- Security Zones and Trust Levels
- Secure Access Control
- Data Protection
- Security Monitoring and Logging
- Compliance and Regulatory Considerations
- Data Center Security Fundamentals
- Security Zoning in Data Centers
- Microsegmentation
- Data Center Firewall Design
- Intrusion Prevention in Data Centers
- DDoS Protection in Data Centers
- Secure Data Center Connectivity
- Automation and Orchestration for Security
- Campus WAN Security Fundamentals
- Secure WAN Architectures
- IPsec VPNs for Campus WAN
- Firewall Filtering in WAN Edge
- Intrusion Prevention on WAN Links
- Secure Routing Protocols
- Monitoring and Logging WAN Security
- Zero-Trust Principles
- Zero-Trust Architecture Components
- Zero-Trust Implementation Strategies
- SASE Overview
- SASE Components
- SASE Architecture
- SASE Use Cases
- High-Resiliency Design Principles
- Link-Level Redundancy
- Device-Level Redundancy
- ESI LAG Concepts
- ESI LAG Configuration and Operation
- SRX Chassis Clustering
- SRX Active/Passive and Active/Active Modes
- Virtual Chassis Technology
- Virtual Chassis Fabric (VCF)
- Campus Redundancy Best Practices
- Redundancy in Access, Distribution, and Core Layers
- Benefits of Network Automation
- Juniper Automation Products
- Junos XML API
- Junos REST API
- Junos JSD API
- On-Box Automation
- Off-Box Automation
- Comparison of On-Box vs Off-Box Automation
- Network Management Methodologies
- Separation of Production and Management Traffic
- Configuration Backups
- Remote Console Access
- Campus LAN Design Best Practices
- Modular Design
- Subnet and VLAN Design
- Access Control Design
- EVPN-VXLAN Architecture
- Campus Oversubscription Ratios
- WLAN Design Phases
- Gathering Business and Technical Requirements
- Device Types in WLAN Design
- Designing Secondary Coverage
- Real-Time Location Services
- Access Point Coverage Patterns
- Co-Channel Contention
- RF Requirements and Modeling
- WAN Connectivity Overview
- WAN Link Types
- WAN Topologies
- WAN Bandwidth and Capacity Planning
- WAN Redundancy and Resilience
- WAN Security Considerations
- WAN QoS and Traffic Management
- WAN Cost Optimization
- WAN Design Principles
- WAN Topologies
- Bandwidth and Capacity Planning
- WAN Link Types
- Redundancy and High Availability
- QoS in WAN Design
- Security Considerations in WAN
- WAN Optimization Techniques
- Branch Office Connectivity
- SD-WAN Design Considerations
- Campus WAN Performance Fundamentals
- Bandwidth and Throughput Considerations
- Latency and Jitter Impact
- Quality of Service (QoS) for WAN Optimization
- WAN Optimization Techniques
- Link Capacity Planning
- Performance Monitoring and Troubleshooting
- Campus WAN VPN Overview
- VPN Types and Technologies
- Site-to-Site VPN Design
- Hub-and-Spoke vs. Full-Mesh Topologies
- VPN Security Considerations
- VPN Performance and Scalability
- Active/Active HA Overview
- Active/Passive HA Overview
- Comparison of Active/Active vs Active/Passive
- Design Considerations for Active/Active
- Design Considerations for Active/Passive
- Use Cases for Active/Active
- Use Cases for Active/Passive
- SD-WAN Architecture Overview
- Underlay and Overlay Networks
- Transport Independence
- Centralized Policy and Management
- Application-Aware Routing
- Security in SD-WAN
- Design Considerations for Campus and Branch
- Migration and Deployment Strategies
- SD-WAN Device Roles
- Device Placement and Topology
- Device Configuration and Management
- Device Redundancy and High Availability
- Device Security Features
- Assurance Model Definition
- Purpose of Assurance Models
- Components of Assurance Models
- Assurance Model Types
- Implementation Considerations
- SD-WAN Overview
- Intersite Connectivity Models
- Underlay and Overlay Networks
- Transport Diversity
- Path Selection and Steering
- VPN and Tunneling
- Application-Aware Routing
- Quality of Service (QoS)
- Security Considerations
- Design Considerations
- Data Center Design Best Practices
- Traffic Patterns in Data Centers
- Environmental Considerations in Data Center Design
- Virtual Chassis Overview
- Virtual Chassis Components and Roles
- Virtual Chassis Configuration and Management
- Data Center Fabric Architectures Overview
- Traditional vs. Fabric Architectures
- Benefits of IP Fabric
- IP Fabric Design Options
- IP Fabric Underlay and Overlay
- Spine-and-Leaf Placement Recommendations
- Underlay and Overlay Design
- Routing Protocol Selection
- IP Fabric Best Practices
- IP Fabric Scaling
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Percentages reflect share of the current practice bank, not official exam weightings — no structured per-skill weight is published for JN0-1103, so none is invented.