Question 1

Which of the following is a protocol used for automatic IP address configuration?
A) NFS
B) LDAP
C) SMTP
D) DNS
E) DHCP

Accepted Answer

DHCP (Dynamic Host Configuration Protocol) is used for automatically assigning IP addresses to devices on a network.

Question 2

A directory contains the following three files: texts 1.txt texts 2.txt texts 3.csv Which command copies the two files ending in .txt to the /tmp/ directory?
A) cp ??.txt /tmp/
B) cp *.txt /tmp/
C) cp. \.txt /tmp/
D) cp ?.txt /tmp/
E) cp $?.txt /tmp/

Accepted Answer

The command `cp *.txt /tmp/` uses the wildcard `*` to match all files ending with `.txt`, effectively copying both `texts 1.txt` and `texts 2.txt` to the `/tmp/` directory.

Question 3

Which of the following statements regarding Linux hardware drivers is correct?
A) Drivers are regular Linux programs which have to be run by the user who wants to use a device.
B) Drivers are not used by Linux because the BIOS handles all access to hardware on behalf of Linux.
C) Drivers are stored on their devices and are copied by the Linux kernel when a new device is attached
D) Drivers are downloaded from the vendor's driver repository when a new device is attached.
E) Drivers are either compiled into the Linux kernel or are loaded as kernel modules.

Accepted Answer

Drivers in Linux are either compiled directly into the kernel or are loaded as kernel modules, allowing the kernel to interact with hardware devices.

Question 4

Which of the following commands are used to get information on the proper use of ls?
A) option ls
B) usage ls
C) manual ls
D) man ls
E) info ls

Accepted Answer

The answer of Which of the following commands are used...

Question 5

What can be found in the /proc/ directory?
A) One directory per installed program.
B) One device file per hardware device.
C) One file per existing user account.
D) One directory per running process.
E) One log file per running service.

Accepted Answer

The /proc/ directory in Linux contains a pseudo-filesystem that provides an interface to kernel data structures. It includes directories for each running process, named by their process IDs (PIDs).

Question 6

What information is stored in /etc/passwd ?
A) The user's storage space limit
B) The numerical user ID
C) The username
D) The encrypted password
E) The user\s default shell

Accepted Answer

The answer of What information is stored in /etc/passwd ?
A)...

Question 7

Which of the following commands sorts the output of the command export-logs ? A) export-logs < sort B) export-logs > sort C) export-logs & sort D) export-logs | sort E) export-logs <> sort

Accepted Answer

The pipe operator '|' is used to pass the output of one command as input to another command. In this case, it passes the output of 'export-logs' to 'sort'.

Question 8

Members of a team already have experience using Red Hat Enterprise Linux. For a small hobby project, the team wants to set up a Linux server without paying for a subscription. Which of the following Linux distributions allows the team members to apply as much of their Red Hat Enterprise Linux knowledge as possible?
A) Ubuntu Linux LTS
B) Raspbian
C) Debian GNU/Linux
D) CentOS
E) openSUSE

Accepted Answer

CentOS is a free and open-source Linux distribution that is functionally compatible with its upstream source, Red Hat Enterprise Linux (RHEL), allowing users to apply their RHEL knowledge effectively.

Question 9

Which of the following directories contains information, documentation and example configuration files for installed software packages?
A) /usr/share/doc/
B) /etc/defaults / /etc/defaults /
C) /var/info/
D) /doc/
E) /usr/examples/

Accepted Answer

The /usr/share/doc/ directory is commonly used in Unix-like systems to store documentation, information, and example configuration files for installed software packages.

Question 10

Which of the following keys can be pressed to exit less ?
A) l
B) x
C) e
D) q
E) !

Accepted Answer

Pressing the q key exits less.

Question 11

What is true about the dmesg command?
A) It traces the execution of a command and shows each step the program carries out.
B) It sends messages to the command lines of all current user sessions.
C) It displays the content of the Linux kernel's ring buffer.
D) It immediately outputs all new messages written to the system journal.
E) It might not display older information because it was overwritten by newer information.

Accepted Answer

The `dmesg` command displays the content of the Linux kernel's ring buffer, which contains messages related to the system's hardware and boot process. Since the ring buffer has a fixed size, older messages may be overwritten by newer ones, which is why `dmesg` might not display older information.

Question 12

What information can be displayed by top ?
A) Existing files, ordered by their size.
B) Running processes, ordered by CPU or RAM consumption.
C) User accounts, ordered by the number of logins.
D) User groups, ordered by the number of members.
E) User accounts, ordered by the number of files.

Accepted Answer

The 'top' command in Unix/Linux systems is used to display running processes, ordered by CPU or RAM consumption.

Question 13

Which of the following characters in a shell prompt indicates the shell is running with root privileges?
A) !
B) #
C) *
D) &
E) $

Accepted Answer

# indicates the shell is running with root privileges.

Question 14

Which command adds the new user tux and creates the user's home directory with default configuration files?
A) defaultuser tux
B) useradd -m tux
C) usercreate tux
D) useradd -o default tux
E) passwd -a tux

Accepted Answer

The command "useradd -m tux" adds a new user named tux and creates a home directory for the user with default configuration files.

Question 15

Which of the following commands can be used to resolve a DNS name to an IP address?
A) dnsname
B) dns
C) query
D) host
E) iplookup

Accepted Answer

The "host" command is used to perform DNS lookups, resolving domain names to IP addresses.

Question 16

A new server needs to be installed to host services for a period of several years. Throughout this time, the server should receive important security updates from its Linux distribution. Which of the following Linux distributions meet these requirements?
A) Ubuntu Linux LTS
B) Fedora Linux
C) Debian GNU/Linux Unstable
D) Ubuntu Linux non-LTS
E) Red Hat Enterprise Linux

Accepted Answer

Ubuntu Linux LTS and Red Hat Enterprise Linux are both Linux distributions that provide long-term support, meaning they will receive security updates for several years.

Question 17

Why are web browser cookies considered dangerous?
A) Cookies support identification and tracking of users.
B) Cookies are always public and accessible to anyone on the internet.
C) Cookies consume significant amounts of storage and can exhaust disk space.
D) Cookies store critical data which is lost when a cookie is deleted.
E) Cookies can contain and execute viruses and malware.

Accepted Answer

Cookies can be used to track users' browsing habits and identify them, which raises privacy concerns.

Question 18

Which of the following are typical services offered by public cloud providers?
A) Platform as a Service(PaaS)
B) Infrastructure as a Service(IaaS)
C) Internet as a Service(IaaS)
D) Graphics as a Service (GaaS)
E) Software as a Service (SaaS)

Accepted Answer

Public cloud providers offer a range of services, including Platform as a Service (PaaS), Infrastructure as a Service (IaaS), and Software as a Service (SaaS).

Question 19

Running the command rm Downloads leads to the following error: rm: cannot remove 'Downloads/': Is a directory Which of the following commands can be used instead to remove Downloads , assuming is empty?
A) undir Downloads
B) rmdir Downloads
C) dir -r Downloads
D) rem Downloads
E) rm -r Downloads

Accepted Answer

The answer of Running the command rm Downloads leads to...

Question 20

Which of the following tar options handle compression?
A) -bz
B) -z
C) -g
D) -j
E) -z2

Accepted Answer

The -z option is used for gzip compression, and the -j option is used for bzip2 compression in tar.

Exam 2: Linux Essentials Certificate Exam, version 1.6

Which of the following is a protocol used for automatic IP address configuration?

A directory contains the following three files: texts 1.txt texts 2.txt texts 3.csv Which command copies the two files ending in .txt to the /tmp/ directory?

Which of the following statements regarding Linux hardware drivers is correct?

Which of the following commands are used to get information on the proper use of ls?

What can be found in the /proc/ directory?

What information is stored in /etc/passwd ?

Which of the following commands sorts the output of the command export-logs ?

Which of the following directories contains information, documentation and example configuration files for installed software packages?

Which of the following keys can be pressed to exit less ?

What is true about the dmesg command?

What information can be displayed by top ?

Which of the following characters in a shell prompt indicates the shell is running with root privileges?

Which command adds the new user tux and creates the user's home directory with default configuration files?

Which of the following commands can be used to resolve a DNS name to an IP address?

A new server needs to be installed to host services for a period of several years. Throughout this time, the server should receive important security updates from its Linux distribution. Which of the following Linux distributions meet these requirements?

Why are web browser cookies considered dangerous?

Which of the following are typical services offered by public cloud providers?

Running the command rm Downloads leads to the following error: rm: cannot remove 'Downloads/': Is a directory Which of the following commands can be used instead to remove Downloads , assuming is empty?

Which of the following tar options handle compression?