Design, Associate (JNCIA-Design)

Customer Network Design Requirements

Identify initial network design requirements for:

• Juniper Networks life-cycle service approach
• Proposal boundaries and considerations
• Greenfield and brownfield deployments
• Top-down networks
• Capacity planning

Identify the roles of different Juniper products and solutions, including:

• Routers
• Switches
• Security
• WLAN
• Software-defined networking (SDN)
• Network management

Securing the Network

Identify security design principles for:

• General security design and considerations
• Securing a data center
• Securing the campus WAN
• Zero-trust security
• Secure access service edge (SASE)

Network Management or Reliability

Identify network design considerations for business continuity, including:

• High-resiliency design
• Link- and device-level redundancy
• Multihomed Ethernet Segment Identifier Link Aggregation Groups (ESI LAGs)
• Juniper Networks SRX Firewalls redundancy
• Virtual chassis
• Campus redundancy best practices

Identify design considerations for network automation, including:

• Benefits of network automation
• Juniper automation products
• Junos® XML, Representational State Transfer (REST), JSD APIs
• Junos OS on-box and off-box automation

Identify design considerations for network management strategies, including:

• Network management methodologies
• Separation of production and management traffic
• Configuration backups
• Remote console access
• Juniper network management strategies

Campus and Branch LAN Design

Identify considerations for a wired campus or branch LAN, including:

• Campus LAN design best practices
• Modular design
• Subnet and VLAN design
• Access control design
• Ethernet VPN-Virtual Extensible LAN (EVPN-VXLAN) architecture
• Campus oversubscription ratios
• Campus design architectures

Identify considerations for a wireless LAN, including:

• WLAN design phases
• Gathering business requirements
• Gathering technical requirements
• Device types
• Designing secondary coverage
• Designing real-time location services
• Access point (AP) coverage patterns
• Co-channel contention
• Gathering RF requirements
• RF modeling

Campus and Branch WAN Design

Identify considerations for a campus or branch WAN, including:

• Campus or branch WAN connectivity functions
• Best practices for designing the campus or branch WAN
• Campus WAN performance
• Campus WAN VPN design
• Campus active/active and active/passive high availability (HA)

Identify considerations for an SD-WAN, including:

• SD-WAN design considerations
• SD-WAN devices
• Assurance models
• SD-WAN intersite connectivity

Data Center Network Design

Identify considerations for general data center network, including:

• Data center design best practices
• Traffic patterns
• Virtual chassis
• Environmental considerations
• Data center fabric architectures

Identify considerations for IP fabric-based data center network, including:

• Benefits of IP fabric over other data center architectures
• Design options with IP fabrics
• Spine-and-leaf device placement recommendations
• Underlay and overlay design
• Routing protocol selection
• IP fabric best practices
• IP fabric scaling