LFCS Software Package Management Questions and Answers

Question 1

A system administrator on a RHEL-based server needs to determine which installed package provides the '/usr/sbin/sshd' executable. Which of the following commands will accomplish this most directly?

Accepted Answer

rpm -qf /usr/sbin/sshd

Answer

dnf info sshd

Answer

rpm -ql openssh-server

Answer

dnf provides /usr/sbin/sshd

Question 2

On a Debian or Ubuntu system, what is the primary purpose of running the `apt update` command?

Accepted Answer

To resynchronize the local package index files from their sources in the configured repositories.

Answer

To download and install the latest versions of all currently installed packages.

Answer

To remove obsolete packages and free up disk space.

Answer

To check the integrity of all installed packages and report any modified files.

Question 3

A system administrator needs to install a custom application provided as a local file named `app-utility-1.2.deb` on an Ubuntu server. The installation fails because of missing dependencies. Which command should the administrator use to install the local file and automatically resolve and install its dependencies from the configured repositories?

Accepted Answer

apt-get install ./app-utility-1.2.deb

Answer

dpkg -i app-utility-1.2.deb

Answer

apt-get build-dep app-utility-1.2.deb

Answer

dpkg --unpack app-utility-1.2.deb

Question 4

Which of the following is a key advantage of using a high-level package manager like `dnf` or `apt` compared to a low-level tool like `rpm` or `dpkg`?

Accepted Answer

They automatically resolve and install required software dependencies from repositories.

Answer

They allow for the installation of packages directly from source code.

Answer

They provide more granular control over individual file permissions during installation.

Answer

They are the only tools that can list the files contained within a package.

Question 5

A system administrator on a CentOS server suspects that a configuration file, `/etc/chrony.conf`, has been modified since the `chrony` package was installed. Which command should be used to verify the integrity of the `chrony` package and see a report of any altered files?

Accepted Answer

rpm -V chrony

Answer

dnf check chrony

Answer

rpm -qf /etc/chrony.conf

Answer

dnf deplist chrony

Question 6

You have downloaded a package file named `newtool-1.5.el8.x86_64.rpm` but have not yet installed it. You need to list all the dependencies this package requires before proceeding with the installation. Which command will query the package file directly to show this information?

Accepted Answer

rpm -qR newtool-1.5.el8.x86_64.rpm

Answer

dnf deplist newtool

Answer

rpm -q --whatrequires newtool-1.5.el8.x86_64.rpm

Answer

dnf provides newtool

A system administrator on a RHEL-based server needs to determine which installed package provides the '/usr/sbin/sshd' executable.Which of the following commands will accomplish this most directly?

A system administrator on a RHEL-based server needs to determine which installed package provides the '/usr/sbin/sshd' executable.
Which of the following commands will accomplish this most directly?