Exam 101-500 – linux.betcher.info

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1. SIMULATION
Which file in /proc describes the IRQs that are used by various kernel drivers? (Specify the file name
only without any path.)

interrupts

gigabyte

kilobyte

netflix

Which component of the computer is responsible for initiating the boot process?

Central Processing Unit (CPU)

Graphics Processing Unit (GPU)

Basic Input/Output System (BIOS)

Random Access Memory (RAM)

3. What can the Logical Volume Manager (LVM) be used for? (Choose THREE correct answers.)

To create RAID 9 arrays.

To dynamically change the size of logical volumes.

To encrypt logical volumes.

To create snapshots.

To dynamically create or delete logical volumes.

4. When is the content of the kernel ring buffer reset? (Choose two.)

When the ring buffer is explicitly reset using the command dmesg –clear

When the ring buffer is read using dmesg without any additional parameters

When a configurable amount of time, 15 minutes by default, has passed

When the kernel loads a previously unloaded kernel module

When the system is shut down or rebooted

How do you create a new directory named “documents” in the command line?

mkdir documents

newdir documents

touch documents

cd documents

Which Linux distributions commonly use RPM as their package management system?

Debian-based distributions like Ubuntu

SUSE Linux Enterprise

Arch Linux

Red Hat Enterprise Linux (RHEL) and CentOS

7. How can you delete an package including it’s configuration?

apt-get remove pkg

apt-get force-remove pkg

apt-get autoclean pkg

apt-get purge pkg

apt-get clean pkg

8. What command will generate a list of user names from /etc/passwd along with their login
shell?

column -s : 1,7 /etc/passwd

chop -c 1,7 /etc/passwd

colrm 1,7 /etc/passwd

cut -d: -f1,7 /etc/passwd

9. In order to display all currently mounted filesystems, which of the following commands could be used? (Choose two.)

cat /proc/self/mounts

free

lsmounts

mount

cat /proc/filesystems

10. Which of the following commands will print important system information such as the kernel
version and machine hardware architecture?

sysinfo

uname

lspci

arch

info

11. Which command shows you printable character sequences in an Linux executable?

file

cat

hexdump

strings

less

12.

What is the purpose of the -o option in the mount command?

To enable read-only access to the mounted filesystem

To specify the file system type

To unmount the filesystem

To mount the filesystem with extended options

13.

How do you manually run the filesystem check on the next system boot in Linux?

fsck -r

fsck -a

fsck -y

fsck -f

14.

What is the purpose of the RPM package management system in Linux?

To manage network settings and connections

To install and manage software packages and their dependencies

To partition the hard disk for installation

To configure the graphical user interface

15. Which of the following statements is correct regarding the command foo 1> bar?

The stdout from the command foo is appended to the file bar.

The stdout from the command foo overwrites the file bar.

The command foo receives its stdin from the file bar.

The command foo receives its stdin from the stdout of the command bar.

The stderr from the command foo is saved to the file bar.

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