If you know anything about my approach to certifications, you will know that I am a huge proponent of building a tracker to make sure you are studying the right topics and to measure your progress and keep yourself accountable.

NOTE: I only show Section 1 below on my blog home page – you might need to click the READ MORE link in order to see the other sections.

Section 1: Networking Fundamentals

Identify the concepts and functionality of various fundamental elements of networking

• 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

Section 2: Junos OS Fundamentals

Identify the concepts, benefits, 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

Section 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

Section 4: Junos Configuration Basics

Identify the main elements of 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

Section 5: Operational Monitoring and Maintenance

Show commandsIdentify methods of monitoring and maintaining Junos devices

• 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

Section 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

Section 7: Routing Policy and Firewall Filters

Default routing policiesIdentify the concepts and functionality of routing policy and firewall filters on Junos devices

• 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