Exam 101-500 – linux.betcher.info

Please enter your email:

1. Which chown command changes the ownership to dave and the group to staff on a file named data.txt?

chown dave/staff data.txt

chown -u dave -g staff data.txt

chown –user dave –group staff data.txt

chown dave+staff data.txt

chown dave:staff data.txt

2. Which of the following directories on a 64 bit Linux system typically contain shared libraries? (Choose two.)

~/.lib64/

/usr/lib64/

/var/lib64/

/lib64/

/opt/lib64/

3. Which is the default percentage of reserved space for the root user on new ext4 filesystems?

10%

15%

What is the purpose of the boot process in system architecture?

To configure hardware settings

To connect to the internet

To load the operating system into memory and prepare the system for use

To shut down the system gracefully

5. How do you unload a Linux module from the running Kernel?

lsmod

modprobe -r

ldd

rmod

6. Which command will print out the attributes of the file foobar?

ls –attrfoobar

lsattr foobar

printattr foobar

fileattr foobar

7. What is contained on the EFI System Partition?

The Linux root file system

The first stage boot loader

The default swap space file

The Linux default shell binaries

The user home directories

8. 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

9. Consider the following directory:
drwxrwxr-x 2 root sales 4096 Jan 1 15:21 sales
Which command ensures new files created within the directory sales are owned by the group sales? (Choose two.)

chmod g+s sales

setpol -R newgroup=sales sales

chgrp -p sales sales

chown –persistent *.sales sales

chmod 2775 sales

10. Which command allows you to reverse sort the lines of a text file?

rsort

sort

reverse

uniq

unsort

11. Which section number has the manual for the /etc/fstab file?

12. How would you extend the list of directories, where the shell is looking for executable files, with your users “~/bin” folder?

export PATH:~/bin

export $PATH=PATH:~/bin

export PATH=”$PATH:~/bin”

expand PATH:~/bin

export PATH=$PATH:~/bin

export PATH=”PATH:~/bin”

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

sysinfo

uname

lspci

arch

info

14. What is true regarding the configuration of yum? (Choose two.)

Changes to the repository configuration become active after running yum confupdate

Changes to the yum configuration become active after restarting the yumd service

The configuration of package repositories can be divided into multiple files

In case /etc/yum.repos.d/ contains files, /etc/yum.conf is ignored

15.

What is the maximum addressable storage space of a MBR partitioned hard disk with a 512 byte sector size?

512 GB

2048 GiB

1024 GB

2048 Gb

1024 GiB

Question 1 of 15