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Juniper Cloud Expert (JNCIE-Cloud)

Juniper Cloud Expert (JNCIE-Cloud)

You can demonstrate your proficiency with cloud networking architectures like multiclouds, software-defined networking, SD-WAN, and other cloud technologies using the cloud track. The cloud certification track’s pinnacle is represented by JNCIE-Cloud.

The one-day JNCIE-Cloud practical exam is intended to verify your proficiency with Juniper Networks’ cloud networking technologies in terms of deployment, configuration, management, and troubleshooting. Using cloud technologies, you will construct a cloud network throughout the course of the six-hour practical exam that consists of numerous interconnected sites and services. On all devices, including orchestration, fabric automation, multicloud deployment, Contrail Networking, analytics, and Contrail Security, system configuration will be carried out by you. Contrail Networking 1908 and Contrail Insights 3.0 are the foundation of the test.

Juniper Cloud Expert (JNCIE-Cloud)

This track includes four certifications:

  • JNCIA-Cloud: Cloud, Associate. For details, see JNCIA-Cloud.
  • JNCIS-Cloud: Cloud, Specialist. For details, see JNCIS-Cloud.
  • JNCIP-Cloud: Cloud, Professional. For details, see JNCIP-Cloud.
  • JNCIE-Cloud: Cloud, Expert. For details, see the sections below.

Exam Preparation

We recommend the following resources to help you prepare for your exam. However, these resources aren’t required, and using them doesn’t guarantee you’ll pass the exam.

Recommended Training

Exam Resources

Additional Preparation

  • JNCIE-Cloud Certification Self-Study Bundle
  • All courses listed for the underlying certifications
  • Contrail Insights (formerly AppFormix) Documentation
  • Contrail Integration with Kubernetes Documentation
  • Contrail Networking Documentation
  • Day One: Building Containers Using Kubernetes and Contrail
  • Junos OS Documentation
  • OpenStack Documentation
  • QFX Series Switches Documentation
  • VMWare Documentation
  • vMX Virtual Routers Documentation
  • Extensive real-world hands-on experience
  • Juniper Learning Portal

Exam Objectives

Here’s a high-level view of the skillset required to successfully complete the JNCIE-Cloud certification exam. 

Exam Objective



OpenStack for orchestration

  • Default security groups


VMware for orchestration

  • VMware constructs


Kubernetes for orchestration

  • Namespace isolation
  • Security between K8s workloads
  • Exposing K8s services
  • Deploy K8s 3-tier applications
  • Network policy

Fabric Automation using Contrail Command

Fabric automation functions

  • Underlay networking fabric
  • Route traffic over Spine or Leaf devices
  • Basic script
  • VPGs (tagging)


Provision new IP fabric

  • ZTP
  • EBGP
  • DHCP
  • Customized ASN for BGP


Onboard an existing IP fabric


Interconnect data centers

  • Overlays within and across data centers, multiple public clouds
  • Layer 3 stretch between data centers
  • Routing policies
  • Physical Gateways

Contrail Networking

Overlay-to-underlay connectivity



  • Contrail Command
  • Introspect
  • Troubleshooting vRouter
  • vif


Create or configure tenants


IP fabric network

  • INET BGP peering
  • SNAT


Overlay load balancing

  • Floating IP
  • LBaaS
  • Policy gates
  • vDNS


Service chains

  • Service chain failover
  • VNFs or CNFs
  • Transparent and in-network service chains
  • Scaling out service chains


Troubleshooting an overlay network

  • Virtual DNS
  • Host-based firewall troubleshooting
  • Interconnect BMS, VMware, OpenShift/Kubernetes

Contrail Security

Contrail Security

  • Security policy
  • Policy generation
  • Firewall policies
  • Draft mode
  • Visualization
  • Tags
  • Service and address groups


Troubleshooting Contrail Security issues

  • Flow logging
  • Query flow data
  • Security visualization

Monitory Analytics and Telemetry

Contrail Insights (formerly AppFormix) for monitoring SDN components

  • SLA rules/outbound notifications
  • Custom actions


Contrail Insights for debugging purposes

  • Logs, alarms/notifications
  • Junos Telemetry

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