Juniper Networks Certified Associate JNCIA-Junos (JN0-105) Cert Prep (2024)
11h 18mBeginner2024-07-22
Authors
Shyam Raj
Technical Instructor, Network and Cloud Guru
Course details
Are you a network administrator who needs to work with the Juniper Networks Junos OS or prepare for the JNCIA exam? This detailed course from Shyam Raj has you covered. Shyam begins with some network fundamentals, like the TCP/IP model, network devices, decimal to binary conversion, and more. Next, he goes over Junos fundamentals and user interface details that you need to understand. Shyam dives into the basics of Junos configurations, from factory default configuration through backups, then walks you through the tools and workflows that you need for operational monitoring and maintenance. He introduces you to routing and shows you how to perform Junos routing, static and dynamic routing, longest route matching, and much more. Shyam steps through the process of routing policy and firewall filters.
Skills covered
JunosJuniper NetworksNetwork AdministrationCert PrepNetwork and System Administration
Concepts
Introduction
- Junos fundamentals - Cert prep
Networking Fundamentals
- OSI model
- TCP IP model
- Collision domains, broadcast domains, and VLANs
- Network devices
- Layer 2 addressing
- Introduction to IPv4
- Decimal to binary conversion
- Subnet mask and its importance
- Subnetting - Example one
- Subnetting - Example two
- Subnetting - Example three
- Subnetting - Example four
- Supernetting
- IPv6
- Class of service
- Connection-oriented vs. connectionless protocols
Junos Fundamentals
- Junos software architecture
- RE and PFE
- Protocol daemons
- Transit and exception traffic
Junos User Interface
- CLI functionality
- CLI modes
- CLI navigation
- CLI help
- Output levels
- Filtering output
- Active vs. candidate configuration
- Configure command
- More navigation commands
- Configuration hierarchy
- Junos commit
- Junos rollback
- Junos configuration files
- Junos load command
- J-Web
Junos Configuration Basics
- Factory default configuration
- Initial configuration
- Login class
- User accounts
- Authentication methods
- Introduction to interfaces
- Interface naming convention
- Interface properties
- Interface address configuration
- Configuration groups
- Introduction to system logging
- Configuring syslog
- Tracing
- Network Time Protocol
- Simple Network Management Protocol
- Rescue config
- Backups
Operational Monitoring and Maintenance
- System and chassis information
- Interface monitoring
- Network utilities
- Junos naming convention
- Snapshots
- Upgrading Junos
- Unified ISSU
- Root password recovery
- Important commands
Routing Fundamentals
- Introduction to routing
- Static vs. dynamic routing
- Junos routing
- Routing and forwarding tables
- Route preference
- Static routing, part 1
- Static routing, part 2
- Dynamic routing
- Longest route matching
- Routing instances
Routing Policy and Firewall Filters
- Routing policy overview
- Default routing policies
- Building block of routing policy
- Routing policy example
- Prefix lists
- Prefix list vs. prefix list filter
- Route filters
- Policy chaining
- Applying routing policies
- Firewall filters
- Configuring firewall filters
- Traffic policing
- Unicast reverse-path-forwarding
- Configuring unicast reverse-path-forwarding