JNCIA (Juniper networks certified internetwork Associate
Course Deatils
Networking Fundamentals
– 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
– Layer 3 / IP addressing, including subnet
– Subnetting and
– Decimal to binary
– Longest match routing
– Connection-oriented vs. connectionless protocols
Junos OS Fundamentals
– 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
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
Junos Configuration Basics
– Factory-default
– Initial
– User
– Login
– User authentication
– Interface types and
– Configuration
– Additional initial configuration elements – NTP, SNMP, syslog,
– Configuration
– Logging and
– Rescue configuration
Operational Monitoring and Maintenance
– 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
Routing
– Packet forwarding
– Routing tables
– Routing vs. forwarding tables
– Route preference
– Routing instances
– Static routing
– Advantages of / use cases for dynamic routing protocols
Routing Policy and Firewall Filters
– 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
– Firewall filter concepts
– Filter match criteria and actions
– Effect of filters on packets
– Unicast reverse-path-forwarding (RPF)