JNCIA-Junos

1- Network Fundamentals

 

Identify the concepts and functionality of various fundamental elements of networking

• Collision domains and broadcast domains
• 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

2- JunOS Fundamentals

 

Identify the concepts, benefits and functionality of the core elements of the Junos OS

• Junos 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

3- User Interfaces

 

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

4- JunOS Configuration Basics

 

Identify the main elements for configuring Junos 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 basic components of a Junos device

 

5- Operational Monitoring and Maintenance

 

 

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

Describe monitoring and maintenance procedures for a Junos device

 

6- Routing Fundamentals

 

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

 

7- Routing Policy and Firewall Filters

 

 

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

 

 

 

 

 

 

 

 

JNCIA-Junos exam topics are based on the content of the recommended instructor-led training courses, as well as the additional resources.

• Exam code: JN0-102
• Administered by Pearson VUE
• Exam length: 90 minutes
• Exam type: 65 multiple-choice questions
• Scoring and pass/fail status is available immediately
• Junos Software Release: 15.1