Linux

Which of the following are true of the echo command? Select one: a. It can be used to display shell variables by including a $ sign in front of the variable name. b. Including a semicolon at the end of the line will not affect the text being displayed. c. When used to display text, quotation marks are optional. d. All of the other options are true.

d. All of the other options are true.

After logging into a terminal, a user will receive an interface known as which option? Select one: a. User interface b. Processor c. Swap memory d. Shell

d. Shell

What two Linux distributions utilize the Debian package manager by default? Select one or more: a. Ubuntu Linux b. Linux Mint c. SUSE Linux d. Red Hat Linux

a. Ubuntu Linux b. Linux Mint

Which of the following commands can be used to back up files in case of system failure, supports long filenames, and can also back up device files? Select one: a. cpio b. diskdup c. sysbackup d. bkup

a. cpio

Which of the following terms describes a type of useful and legitimate software that is distributed by a developer where they do not charge for the software but also do not distribute the source code along with it? a. freeware b. shareware c. tryware d. malware

a. freeware

Wayne is using the command line and is in his home directory. Which of the following will display a list of all files and their sizes from his home directory? (Choose two.) Select one or more: a. ls -al ~ b. ls -al /home/wayne c. ls -ax d. ls -ax ~

a. ls -al ~ b. ls -al /home/wayne

What option can be added to the dpkg command to remove a specified package from the system, including any configuration files used by the package? Select one: a. -D b. -P c. -r d. -d

b. -P

Which Linux command can be utilized to display your current login name? Select one: a. who b. whoami c. id d. w

b. whoami

What metacharacter indicates background command execution? Select one: a. ^ b. @ c. & d. !

c. &

Which of the following is not a valid compression file extension for the Linux operating system? Select one: a. .bz2 b. .xz c. .vz d. .gz

c. .vz

In Linux, the core component of the GUI is known as: a. KDE b. GNOME c. X Windows d. Red Hat

c. X Windows

Which of the following commands will list missing libraries as not found if a necessary library is not installed? Select one: a. ldchk b. ldconfig c. ldd d. ldso

c. ldd

Which of the following commands will install an RPM package while ignoring any other packages that it may be dependent upon for proper operation? Select one: a. rpm -ivhn package.rpm b. rpm -i --ignoredeps package.rpm c. rpm -ivh --nodeps package.rpm d. rpm -in package.rpm

c. rpm -ivh --nodeps package.rpm

The United States Air Force was able to install Linux on a popular gaming console and then connect over 1,700 of these systems together to work as one big supercomputer. Which of the following types of technologies did they implement? a. herding b. group computing c. cloud computing d. clustering

d. clustering

Which of the following server roles does Apache perform? a. certificate authority b. name server c. mail server d. web server

d. web server