JNCIA-Junos (Associate)

The JNCIA-Junos certification is designed for networking professionals with beginner-intermediate knowledge of networking. The written exam verifies your understanding of the core functionality of the NTSglobal Junos OS.

Because JNCIA-Junos provides a core understanding of the NTSglobal core operating system, it serves as the baseline certification for multiple certification tracks:

• Data Center Certification Track

• Enterprise Routing and Switching Certification Track

• Service Provider Routing and Switching Certification Track

Be able to identify the concepts and functionality of various fundamental elements of networking.

• Collision domains and broadcast domains

• The function of routers and switches

• Optical network fundamentals – SONET/SDH, OTN

• Ethernet networks

• Layer 2 addressing, including address resolution

• IPv4 and IPv6 fundamentals

• Layer 3 / IP addressing, including subnet masks

• Subnetting and supernetting

• Decimal to binary conversion

• Longest match routing

• Connection-oriented vs. connectionless protocols

Be able to identify the concepts and functionality of the core elements of the Junos OS.

• Juno’s device portfolio – product families, general functionality

• Software architecture

• Control and forwarding planes

• Routing Engine and Packet Forwarding Engine

• Protocol daemons

• Transit traffic processing

• Exception traffic

Be able to identify the concepts, operation, and functionality of the Junos user interfaces.

• CLI functionality

• CLI modes

• CLI navigation

• CLI Help

• Filtering output

• Active vs. candidate configuration

• Reverting to previous configurations

• Modifying, managing, and saving configuration files

• Viewing, comparing, and loading configuration files

• J-Web – core/common functionality

Be able to identify the main elements for configuring Juno devices.

• Factory-default state

• Initial configuration

• User accounts

• Login classes 

• User authentication methods

• Interface types and properties

• Configuration groups

• Additional initial configuration elements – NTP, SNMP, Syslog, etc.

• Configuration archival • Logging and tracing

• Rescue configuration

Describe how to configure the basic components of a Juno device.

Be able to identify methods of monitoring and maintaining Junos devices

• Show commands

• Monitor commands 

• Interface statistics and errors

• Network tools – ping, traceroute, telnet, SSH, etc.

• Real-time performance monitoring (RPM)

• Junos OS installation

• Software upgrades

• Powering on and shutting down Junos devices

• Root password recovery

Be able to identify basic routing concepts and functionality for Junos devices.

• Packet forwarding concepts

• Routing tables

• Routing vs. forwarding tables

• Route preference

• Routing instances 

• Static routing

• Advantages of /use cases for dynamic routing protocols

Describe how to configure and monitor basic routing elements for a Junos device.

Be able to identify the concepts and functionality of routing policy and firewall filters on Junos devices.

• Default routing policies

• Import and export policies

• Routing policy flow

• Effect of Policies on routes and routing tables

• Policy structure and terms

• Policy match criteria, match types, and actions

• Firewall filter concepts

• Filter match criteria and actions

• Effect of Filters on packets

• Unicast reverse path forwarding (RPF)

Describe how to configure and monitor routing policies and firewall filters on a Junos device.