Exam Vouchers: Data Center, Specialist (JNCIS-DC) (JN0-481)

One of four certifications in the Data Center track, the JNCIS-DC, specialist, is designed for data center networking professionals with intermediate knowledge of the Juniper Apstra software and data center devices. During the written exam, you verify your understanding of data center technologies and related platform configuration and troubleshooting skills.

This track includes four certifications:

- JNCIA-DC: Data Center, Associate. For details, see JNCIA-DC.

- JNCIS-DC: Data Center, Specialist. For details, see the sections below.

- JNCIP-DC: Data Center, Professional. For details, see JNCIP-DC.

- JNCIE-DC: Data Center, Expert. For details, see JNCIE-DC.

Exam Length: 90 minutes

Exam Type: 65 multiple-choice questions

Software Versions:

- Apstra 5.1

- Junos v24.4

Recertification: Juniper certifications are valid for three years.

Data Center Architectures (IP Fabrics, EVPN-VXLAN)

• Spine-leaf topology design
• Equal Cost Multi-path (ECMP) load balancing
• Underlay and overlay routing strategies
• Juniper Networks best practices
• EVPN interface (EVI)
• Bridge domain
• Ethernet segments
• Route distinguisher
• Route target versus vrf-import and vrf-export policies
• EVPN route types
• Edge-Routed Bridging (ERB) using Type 2 or Type 5
• Control plane options
• Virtual Network Identifier (VNI)-to-VLAN mapping
• Virtual Tunnel Endpoint (VTEP) functions

Juniper Apstra Architecture

• Apstra server
• Apstra device agents
• Apstra user interface (UI)
• Role-based Access Control (RBAC)
• Event log
• Syslog

Apstra Design Phase

• Data center reference design
• Interface maps
• Device profiles (e.g., interface naming and speeds)
• Resources
• Tags
• Logical devices
• Rack types
• Planning total spine capacity
• Templates

Apstra Build and Deploy Phases

• Fabric device management (e.g., install agents, system IDs)
• Blueprint UI
• Cable map
• Device states
• Deploy modes

Blueprint Operations

• Service versus probe anomalies
• Usage of top-level tabs (dashboard, analytics, staged, uncommitted, active, time voyager)
• Querying the blueprint
• Find by tags
• Making changes to a blueprint
• Reverting
• Time voyager usage
• Property sets and configlets
• Root cause identification
• Virtual networks and connectivity templates
• Adding a rack
• Configuration types  (e.g., rendered, incremental, and pristine configs)
• Adding a generic system

Data Center Multitenancy

• Connectivity templates
• Routing zones and Virtual routing and forwarding (VRF)
• Routing policy
• Virtual networks
• Security policies
• VMware integration as it relates to Apstra
• Data Center Interconnect

Intent-Based Analytics

• Graph explorer
• Graph queries
• Intent-based analytics probes

It is recommended that prior to taking the exam students have followed the following training:

• Data Center Automation Using Juniper Apstra

Prerequisite Certification: JNCIA-DC