juniper hardware architecture
Just4Exam Jn0-400 Exam Training
EX, Associate (JNCIA-EX) JN0-400 Examination content list：
Introduction to Juniper Networks Enterprise Switches
User Interface Options
Installation and Initial Configuration
Secondary System Configuration
Operational Monitoring and Maintenance
Virtual Chassis
Interface Support, Configuration, and Monitoring
Ethernet Switching and Virtual LANs
Spanning Tree Protocol
Inter-VLAN Routing
Routing Policy and Firewall Filters
Switching Security
IP Telephony Services
Introduction to Juniper Networks Enterprise Switches
Describe the available enterprise switching platforms
Describe the hardware architecture of an EX-series switch.
Describe the packet flow through an EX-series switch.
Define the portions of the Junos OS architecture. Include information on protected memory spaces, individual daemon process, and locations where the Junos OS may operate.
User Interface Options
Describe access and navigation considerations for the J-Web interface
Describe the configuration hierarchy.
Identify the commands used in configuration mode (edit, set, delete, commit).
Describe active, candidate, and rollback configurations.
Identify options for manipulating “saved” configuration files. Include rollback options, load options, and rollback file locations.
Installation and Initial Configuration
Describe how to save, delete, and view the rescue configuration.
Describe the factory default configuration.
List initial configuration options and describe initial configuration tasks performed in console and J-Web Ezsetup..
Secondary System Configuration
List user authentication methods and describe the purpose of authentication order.
Configure user accounts, authentication methods, and the authentication order.
Describe system logging and tracing.
Configure and verify secondary configuration options.
Operational Monitoring and Maintenance
Identify commands and network utilities used to monitor system and chassis operations.
Perform software upgrade.
Perform file system maintenance and password recovery.
Virtual Chassis
List and describe the components of a virtual chassis.
Explain the recommended installation process for a virtual chassis.
List and describe some common virtual chassis deployment options.
Describe the management features used for virtual chassis.
Describe the roles and responsibilities of member switches within a virtual chassis.
Describe virtual chassis operation and packet flow.
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M. Warner Losh, An Overview of FreeBSD/mips, AsiaBSDCon2009
