Which of the following commands lists the dependencies of a given dpkg package?
apt-cache dependencies package
apt-cache depends package
apt-cache requires package
Which of the following commands can be used to download the RPM package kernel without installing it?
yum download –no-install kernel
rpm –download –package kernel
Given a log file loga.log with timestamps of the format DD/MM/YYYY:hh:mm:ss, which command filters out all log entries in the time period between 8:00 am and 8:59 am?
grep E `:08:+:+’ loga.log
grep E `:08:+’ loga.log
grep E loga.log `:08:[0-9]+:[0-9]+’
grep loga.log `:08:[0-9]:[0-9]’
grep E `:08:[0-9]+:[0-9]+’ loga.log
Which of the following is true when a file system, which is neither listed in /etc/fstab nor known to system, is mounted manually?
systemd ignores any manual mounts which are not done using the systemctl mount command
The command systemctl mountsync can be used to create a mount unit based on the existing mount
systemd automatically generates a mount unit and monitors the mount point without changing it
Unless a systemd mount unit is created, systemd unmounts the file system after a short period of time
systemctl unmount must be used to remove the mount because system opens a file descriptor on the mount point
A faulty kernel module is causing issues with a network interface card. Which of the following actions ensures that this module is not loaded automatically when the system boots?
Using lsmod –remove –autoclean without specifying the name of a specific module
Using modinfo k followed by the name of the offending module
Using modprobe r followed by the name of the offending module
Adding a blacklist line including the name of the offending module to the file /etc/modprobe.d/blacklist.conf
Deleting the kernel module’s directory from the file system and recompiling the kernel, including its modules
In Bash, inserting 2>&1 after a command redirects:
standard error to standard input.
standard input to standard error.
standard output to standard error.
standard error to standard output.
standard outputto standard input.
After moving data to a new filesystem, how can the former path of the data be kept intact in order to avoid reconfiguration of existing applications? (Choose TWO correct answers.)
By creating an ACL redirection from the old to the new path of the data.
By creatinga hard link from the old to the new path of the data.
By creating a symbolic link from the old to the new path of the data.
By running the command touch on the old path.
By mounting the new filesystem on the original path of the data.
What is the purpose of the Filesystem Hierarchy Standard?
It is a security model used to ensurefiles are organized according to their permissions and accessibility.
It provides unified tools to create, maintain and manage multiple filesystems in a common way.
It defines a common internal structure of inodes for all compliant filesystems.
Itis a distribution neutral description of locations of files and directories.
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