JNCIA-Junos
Global Certification Details
Networking Fundamentals
Identify the concepts and functionality of various fundamental elements of networking
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Collision domains and broadcast domains
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Function of routers and switches
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Optical network fundamentals – SONET/SDH, OTN
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Ethernet networks
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Layer 2 addressing, including address resolution
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IPv4 and IPv6 fundamentals
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Layer 3 / IP addressing, including subnet masks
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Subnetting and supernetting
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Decimal to binary conversion
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Longest match routing
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Connection-oriented vs. connectionless protocols
Junos OS Fundamentals
Identify the concepts, benefits and functionality of the core elements of the Junos OS
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Junos device portfolio – product families, general functionality
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Software architecture
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Control and forwarding planes
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Routing Engine and Packet Forwarding Engine
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Protocol daemons
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Transit traffic processing
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Exception traffic
User Interfaces
Identify the concepts, operation and functionality of the Junos user interfaces
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CLI functionality
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CLI modes
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CLI navigation
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CLI Help
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Filtering output
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Active vs. candidate configuration
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Reverting to previous configurations
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Modifying, managing, and saving configuration files
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Viewing, comparing, and loading configuration files
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J-Web-core/common functionality
Junos Configuration Basics
Identify the main elements for configuring Junos devices
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Factory-default state
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Initial configuration
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User accounts
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Login classes
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User authentication methods
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Interface types and properties
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Configuration groups
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Additional initial configuration elements-NTP, SNMP, syslog, etc.
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Configuration archival
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Logging and tracing
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Rescue configuration
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Describe how to configure basic components of a Junos device
Operational Monitoring and Maintenance
Identify methods of monitoring and maintaining Junos devices
- Show commands
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Monitor commands
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Interface statistics and errors
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Network tools-ping, traceroute, telnet, SSH, etc.
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Real-time performance monitoring (RPM)
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Junos OS installation
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Software upgrades
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Powering on and shutting down Junos devices
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Root password recovery
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Describe monitoring and maintenance procedures for a Junos device
Routing Fundamentals
Identify basic routing concepts and functionality for Junos devices
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Packet forwarding concepts
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Routing tables
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Routing vs. forwarding tables
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Route preference
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Routing instances
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Static routing
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Advantages of / use cases for dynamic routing protocols
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Describe how to configure and monitor basic routing elements for a Junos device
Routing Policy and Firewall Filters
Identify the concepts and functionality of routing policy and firewall filters on Junos devices
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Default routing policies
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Import and export policies
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Routing policy flow
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Effect of policies on routes and routing tables
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Policy structure and terms
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Policy match criteria, match types, and actions
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Firewall filter concepts
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Firewall filter concepts
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Filter match criteria and actions
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Effect of filters on packets
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Unicast reverse-path-forwarding (RPF)
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Describe how to configure and monitor routing policies and firewall filters on a Junos device