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Juniper Networks Certified Associate, Junos (JNCIA-Junos) JN0-106 · Domain 2: Junos OS fundamentals

Key daemons: rpd (routing), mgd (management/CLI), dcd (interfaces), chassisd (chassis)

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Last reviewed September 25, 2026 · Leer en español

Junos is made of many independent processes called daemons, each running in its own protected memory space. The exam focuses on four of them, and knowing what each does helps you understand log messages, show system processes output and what happens when something fails.

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