Linux+ CompTIA Linux+ Test System Architecture 2

Question 1

Which BIOS/UEFI setting must be enabled to allow a 64-bit Linux OS to use hardware-assisted virtualization?

Accepted Answer

Intel VT-x or AMD-V

Answer

Intel VT-x (Intel) or AMD-V (AMD) are the CPU extensions required for hardware-assisted virtualization in a 64-bit Linux environment.

Question 2

What is the purpose of the /proc/cmdline file on a running Linux system?

Accepted Answer

Displays kernel parameters passed at boot time

Answer

/proc/cmdline shows the exact command-line parameters the bootloader passed to the kernel during the current boot.

Question 3

A system boots successfully but the hardware clock is 5 hours ahead of the system clock. Which command corrects the hardware clock to match the current system time?

Accepted Answer

hwclock --systohc

Answer

hwclock --systohc writes the current system time to the hardware (CMOS) clock.

Question 4

Which IRQ number is traditionally assigned to the primary ATA/IDE controller on legacy x86 systems?

Accepted Answer

14

Answer

IRQ 14 is the traditional IRQ for the primary IDE/ATA controller on legacy x86 hardware.

Question 5

A Linux administrator needs to view which I/O ports are currently in use by the kernel. Which file provides this information?

Accepted Answer

/proc/ioports

Answer

/proc/ioports lists the I/O port ranges currently allocated to kernel devices.

Linux Practice Test

Linux Practice Test

Linux+ CompTIA Linux+ Test System Architecture 2