Linux Final Prep Quiz

1

Operations on the directory stack manipulate the top item in the stack only

1

graphical.target is equivalent to the old runlevel 3

1

Which of the following items can appear in the user_list element on a configuration line in the /etc/sudoers file?

1

The Pluggable Authentication Module (PAM) is a facility that supports using multiple authentication methods while providing a common interface to common applications or services seeking to authenticate a user.

1

Before executing any command, the bash shell pre-processes the command line to make sure it is syntactically correct and all necessary expansions have been done.

1

In what directory are most system configuration files stored?

1

The /etc/sudoers configuration file should only be edited using the visudo or sudo -e commands to avoid syntax errors in the file.

1

The /tmp directory is a working directory for temporary files that is accessible to any user on a Linux system.

1

Which of the following is NOT part of a system administrator's duties?

1

Which of the following is NOT a valid variable name in a shell script?

1

The chsh command temporarily changes the current user's shell

1

Where is PAM configuration stored on a Fedora or RedHat system?

1

In the following line of output from the ls -l command, what does the b at the beginning of the line mean?
brw-rw----, 1 root disk 8, 1 Dec 31 17:02 sda1

1

Assuming that the following alias command is included in a user's ~/.barshc file,
alias t="tar -v"
and the user types the following at the shell prompt,
t -zcf /tmp/test.tar test.txt
What would the actual command executed be?

1

In which of the following startup files or directories should user-specific configuration settings be put?

1

What is the command to start X windows when a Linux system is running at the multi-user.target level?

1

When using the Logical Volume Manager facility, all disk space can be placed under the control of that facility.

1

What is the default target on Fedora Linux systems?

1

What is the purpose of the HISTSIZE environment variable?

1

One of the reasons that the systemd deamon replaced the old System V init daemon in order to support newer hardware technologies.

1

When typing a command at the shell prompt it is possible to type part of a command name and then use the TAB key to complete the command, if the part of the command entered is unique.

1

The ext3, ext4 and xfs file systems all support journaling but are not commonly used.

1

Which of the following commands, when used with the appropriate options, displays a list the process ID numbers for all processes running a certain command

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The $0 parameter of a shell script always contains the name of the script.

1

Which of the following methods of gaining root privilege is the least advisable?

1

Which of the following shells is currently used to prevent a non-privileged user from logging in interactively?

1

fschk can check and repair a mounted file system.

1

Which of the following commands displays recent system messages?

1

The ~/.inputrc file is used to configure which of the following history manipulation methods?

1

A package manager is a software tool designed to assist system administrators with the management of software on a Linux system.

1

The ldd command is used to funnily configure a chroot environment.

1

What is the output of the command:
df -h

1

Gaining root privilege on a system with multiple administrators is a bad method because it involves sharing the password between several people.

1

When multiple interactive bash shells are opened by a user, the history for all of the shells will be saved to disk as each is closed.

1

Administrative (root) privilege on a Linux system should be granted to anyone who asks for it.

1

Which of the following is NOT an advantage of using sudo?

1

Which of the following commands lists the contents of a package?

1

Which of the following commands will report weather the sshd daemon is set to automatically start at some target level?

1

What does the 2>&1 mean in the following command?
find * >/tmp/find_out.txt 2>&1

1

What is the output of the following command?
du -s

1

Which process in the following jobs command output will be affected by issuing the fg command without parameters?
user@f1 ~]$ jobs
[1] Running sleep 300 &
[2]- Running sleep 400 &
[3]+ Running sleep 500 &

1

The growfs command can be used to increase the size of a filesystem.

1

TCPWrappers is a daemon based security facility that limits access to the daemon based on IP address.

1

What program is running in the process associated with a physical or virtual terminal prior to a user logging on?

1

The nnswitch facility provides a means to define diverse sources of information (e.g. hostnames, user information) for use by a Linux system. It can decide where to find information and what order to search the various sources.

1

Security Enhanced Linux implements a discretionary access control tool.

1

The default installation of SELinux uses which of the following mode and policy configurations?

1

Functions are a technique that can be used to add custom operations to a Linux system on a global or user-by-user basis. All custom operations should be added using functions no matter what the complexity or size of the new operations.

1

Which of the following commands sets the X windows pointing device (mouse) for right-handed use?

1

What is the default desktop environment used by Fedora and RedHat systems?

1

Given the initial directory stack containing the following entries:
~/testdir/dir2/dir2-1 ~/testdir/dir1/dir1-1 ~/testdir/ ~
what would the stack contain if the pushd command was issued with no parameters?

1

Which of the following commands clears the screen on a Linux terminal?

1

Some organizations lock the root account. Others use a very long complex root password that is not known to the system administrators. Both of these approaches are valid when sudo is used for system administration.

1

What does the parameter $@ contain?

1

Which of the following commands includes a processes' PID in their output?

1

When an external command is invoked from a bash shell it always runs as a separate process from the shell's process.

1

The source builtin command is used to load/reload startup files.

1

If the su command is issued without specifying a user, which user is assumed?

1

Which of the following are characteristics of the xfs file system?

1

What is the result of issuing the following bash builtin command?
history 20

1

What is the effect of placing the line
ALL: ALL
into the /etc/hosts.deny files while leaving /etc/hosts.allow empty?

1

What is the purpose of the dirs command?

1

What does the following command do?
yum group install Robotics

1

What is the change command used for?

1

The CUPS printer server offers which of the following facilities?

1

Which of the following commands lists all of the devices (printers) configured on the local system?

1

User and group ID numbers must be unique on Linux systems.

1

Which of the job scheduling facilities available on a Linux system execute jobs repeatedly at the specified time, provided that the system is available at the specified time?

1

CUPS supports printing to: locally connected printers, networked printers, and printers shared by other computers.

1

How can CUPS be configured?

1

Which of the following is the language that almost every printer will accept?

1

Where is local user account information stored on a Linux system?

1

Which of the following is not one of the things that should be available when building and installing a new kernel?

1

It is possible to lock a user account. This is achieved by which of the following?

1

Print servers can be built into a printer or run as a daemon on a computr system.

1

You have just downloaded some software in a file named mailer.tar.gz. Which of the following commands would you use to install the software into the current directory assuming that mailer.tar.gz is also in the current directory?

1

CUPS provides which of the following print job operations?

1

What is the purpose of the command:
yum check

1

Which of the following commands will display a list of all available packages with 'httpd' anywhere in their names?

1

Given the following line from a user cron settings
* * * * * /usr/bin/uptime
how often will the uptime command be run?

1

Which of the following is not a reason to change the characteristics of a Linux kernel?

1

Which of the following command pairs will allow users to submit print jobs to queue prt1 without the jobs being immediately printed?

1

System-wide password rules can be set using which of the following commands?

1

The rpmdev-setuptree command creates a directory structure for building packages from the course in the home directory of the user that executed the command.

1

When an rpm file is downloaded from a website rather than from a repository, which utility or utilities can be used to install it?

1

The kernel option names used in the /etc/sysctl.conf file and with the sysctl command are the same.

1

The option in the kernel.spec file
%define buildid .test1
causes the new kernel and all its associated package and configuration files to contain the string '.test1' to identify it as a custom kernel. Each time a kernel is built this option must be modified to uniquely identify the build.

1

The web interface for CUPS may have different printer definitions listed than the GUI program.

1

You have downloaded the source code for a program that is not part of your Linux distribution. In what order would you execute the following commands to set it up on your system? (1-4 selection)

1

On a Fedora Linux system, which of the following repositories are enabled by default?

1

Which of the following commands is the best one for downloading kernel source code from a repository?

1

The sysstat package contains a number of system statistic gathering and reporting tools. Which of the following are some tools in this package?

1

Which of the following files, related to GRUB configurations, should never be edited directly?

1

Which of the following packages are recommended prerequisites for building a new kernel?

1

The only way to modify kernel characteristics is to build a new, custom kernel.

1

The command
yum install ntp bind
will download and install which of the following items?

1

What is the purpose of the command
yum-builddep kernel-3.14.27-100.fc19.src.rpm

1

The batch command forces scheduled jobs to run at the specified time no matter what the system load.

1

Package repositories are online storage sites for distribution packages, distribution update packages, but are never used for 3rd party packages.

1

Which of the following commands deletes the definition of printer prt1?

1

CUPS page count quotas work only with PostScript print files

1

Given the commanduseradd -s /bin/bash/bash -d /home/joan -G wheel -g staff -c "Joan Smith" joan
what will Joan's primary group be?

1

CUPS can accept print jobs from: local users and processes, and remote system.

1

What does the following command produce as output:
yum list kern

1

Where are user cron job definitions stored?

1

By default, CUPS accepts print jobs from both local users and processes, and remote system.

1

Which of the following commands will display the current value of the vm.drop_caches kernel parameter?

1

Which of the following commands can be used to create a new kernel configuration from scratch?

1

The command
sysctl -p /etc/sysctl.conf can be used to change the running kernel configuration without a reboot after editing the /etc/sysctl.conf file.

1

When the /etc/cups/cupsd.conf file contains the following configuration section, only network print requests from 127.0.0.1 (localhost) will be accepted.
<Location />
Order Allow Deny
Allow @LOCAL
</location>

1

A good approach to backing up a Linux system is to perform periodic full backups with incremental backups in between them.

1

For CUPS to be able to accept print jobs form remote systems using the IPP protocol, the local system's firewall must allow incoming traffic on which of the following ports?

1

Which of the following commands can be used to backup a Linux system?

1

What does the $(arch) of the following command do?
rpmbuild -bp --target $(arch) kernel.spec

1

Which of the following is not a function of host-based print servers?

1

Which of the following commands can be used to create groups on a Linux system?

1

Every user on a Linux system has a user ID number. Which of the following describes the way user ID numbers are assigned on modern Fedora/RHEL systems?

1

The yum and rpm utilities can be used to install, update and remove software packages that are distributed as source code within tar archive files without any intermediate steps

1

Which of the following are methods for permanently changing the configuration of a Linux kernel?

1

Which of the following is not a protocol that CUPS supports for communicating with printers?

1

The yum utility should be used to install, update and remove software on a Linux system whenever possible.

1

Which of the following is not one of the factors that is used to determine if a kernel component is compiled into the kernel or made available as a loadable kernel module?

Quiz sobre Linux Final Prep Quiz, criado por Michael Marcus em 14-08-2016.

Linux Final Prep Quiz

Operations on the directory stack manipulate the top item in the stack only

graphical.target is equivalent to the old runlevel 3

Which of the following items can appear in the user_list element on a configuration line in the /etc/sudoers file?

The Pluggable Authentication Module (PAM) is a facility that supports using multiple authentication methods while providing a common interface to common applications or services seeking to authenticate a user.

Before executing any command, the bash shell pre-processes the command line to make sure it is syntactically correct and all necessary expansions have been done.

In what directory are most system configuration files stored?

The /etc/sudoers configuration file should only be edited using the visudo or sudo -e commands to avoid syntax errors in the file.

The /tmp directory is a working directory for temporary files that is accessible to any user on a Linux system.

Which of the following is NOT part of a system administrator's duties?

Which of the following is NOT a valid variable name in a shell script?

The chsh command temporarily changes the current user's shell

Where is PAM configuration stored on a Fedora or RedHat system?

In the following line of output from the ls -l command, what does the b at the beginning of the line mean? brw-rw----, 1 root disk 8, 1 Dec 31 17:02 sda1

Assuming that the following alias command is included in a user's ~/.barshc file, alias t="tar -v" and the user types the following at the shell prompt, t -zcf /tmp/test.tar test.txt What would the actual command executed be?

In which of the following startup files or directories should user-specific configuration settings be put?

What is the command to start X windows when a Linux system is running at the multi-user.target level?

When using the Logical Volume Manager facility, all disk space can be placed under the control of that facility.

What is the default target on Fedora Linux systems?

What is the purpose of the HISTSIZE environment variable?

One of the reasons that the systemd deamon replaced the old System V init daemon in order to support newer hardware technologies.

In the following line of output from the ls -l command, what does the b at the beginning of the line mean?
brw-rw----, 1 root disk 8, 1 Dec 31 17:02 sda1

Assuming that the following alias command is included in a user's ~/.barshc file,
alias t="tar -v"
and the user types the following at the shell prompt,
t -zcf /tmp/test.tar test.txt
What would the actual command executed be?

What is the output of the command:
df -h