What information can the lspci command display about the system hardware? (Choose THREE correct answers.)
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A. B. C. D. E.ABD
The lspci command is a utility in Linux systems that is used to display information about the PCI (Peripheral Component Interconnect) buses and devices connected to them. It is commonly used to diagnose hardware-related issues and to identify specific hardware components on a system. The information that can be displayed by the lspci command includes:
A. Device IRQ settings: The lspci command can display the IRQ (Interrupt Request) settings for PCI devices. IRQs are used to manage hardware interrupts and ensure that each device on the system can communicate with the CPU without conflicts.
B. PCI bus speed: The lspci command can display the speed of the PCI bus that a device is connected to. This information can be useful for diagnosing performance issues related to hardware components.
C. System battery type: The lspci command does not display information about the system battery type. This option is not correct.
D. Device vendor identification: The lspci command can display the vendor identification information for PCI devices. This information can be used to identify the manufacturer of a device and to locate drivers or other support resources.
E. Ethernet MAC address: The lspci command can display the MAC (Media Access Control) address for Ethernet devices. The MAC address is a unique identifier assigned to each network interface card (NIC) and is used for communication on a network.
Therefore, the correct answers are: A, B, D.