Which command do you use as a valid way to view the PICs within a router as well as the PICs' serial numbers?
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A. B. C. D.A
The correct answer is C. show chassis pic.
The PIC (Physical Interface Card) is a hardware component that provides physical connectivity to a network for a specific set of interfaces. In Junos OS, the show chassis pic command is used to display information about the installed PICs on the router, as well as their serial numbers. This command can be used in operational mode to view the current status of the PICs.
Here's a brief explanation of each option:
A. show chassis hardware: This command displays information about the chassis hardware components, such as power supplies, fans, and routing engines. It does not display information about the PICs.
B. show chassis interfaces: This command displays information about the configured interfaces on the router. It does not display information about the PICs or their serial numbers.
C. show chassis pic: This command displays information about the installed PICs on the router, such as the PIC type, slot number, and state. It also displays the serial number of each PIC.
D. show chassis inventory: This command displays the hardware inventory of the router, including the chassis, PICs, power supplies, and other components. It also displays the serial number of each component, including the PICs. However, it provides more detailed information than what is required in the question.
Therefore, the correct command to use to view the PICs within a router as well as the PICs' serial numbers is C. show chassis pic.