Question $1(1$ point$)$

What filesystem type must you specify with the mount command to mount an ISO image to your $/$mnt directory?

Question $1$ options:

UFS

media

ISO$9660$

loop

Question $2(1$ point$)$

Which of the following key combinations can save your current document in the Emacs editor?

Question $2$ options:

Ctrl$+$s$+$Ctrl$+$f

Ctrl$+$s

Ctrl$+$x

Ctrl$+$x$+$Ctrl$+$s

Question $3(1$ point$)$

Which command can be used to remove a directory full of files?

Question $3$ options:

rm $--$r

del $-$r

deltree

rmdir

Question $4(1$ point$)$

Vi is often referred to as a bi$-$mode editor. Why is that?

Question $4$ options:

Because vi is the universal Unix system editor

Vi runs in one of two modes: command mode and input mode

Because vi allows you to edit configuration and system files

Vi is a full screen editor or visual editor

Question $5(1$ point$)$

Which of the following commands would install a package?

Question $5$ options:

rpm$-$qf sample.package.rpm

rpm$-$r sample.package.rpm

rpm$-$e sample.package.rpm

rpm$-$i sample.package.rpm

Question $6(1$ point$)$

Which of the following commands are typically used within the body of a for loop?

Question $6$ options:

elif

&&

continue

function

Question $7(1$ point$)$

Which of the following commands may be used to run a command as another user via entries in a configuration file?

Question $7$ options:

su

userrun

sudo

bash$-$r

Question $8(1$ point$)$

You attempt to obtain a web page from your Apache server but receive a "Forbidden error. What is likely the cause?

Question $8$ options:

the Apache daemon has reached its maximum number of concurrent connections

incorrect file permissions

an incorrect entry in $/$etc$/$httpd$/$conf$/$httpd$.$conf

the Apache daemon is not started

Question $9(1$ point$)$

Which command may be used to upgrade to the latest version of Firefox from an online RPM distribution server?

Question $9$ options:

yum update firefox

yum firefox

yum install firefox

apt$-$get firefox

Question $10(1$ point$)$

Which option in $/$etc$/$squid$/$squid$.$conf will set the size of the proxy cache on the hard disk?

Question $10$ options:

cache size

cache mem

cache dir

cache proxy

Question $11(1$ point$)$

Which of the following Linux Intrusion Detection Systems scan for changes to files on your system? $($Choose $2)$

Question $11$ options:

Tripwire

Snort

Port Sentry

AIDE

Question $12(1$ point$)$

What command below will create an image file from the contents of a directory?

Question $12$ options:

mkisofs

image

dd

dumpe$2$fs

Question $13(1$ point$)$

Which of the following commands can be used to unmount a filesystem?

Question $13$ options:

mkfs

fdisk

format

umount

Question $14(1$ point$)$

Which character tells the bash shell to run a command as a background process?

Question $14$ options:

$

$*$

$>$

&

Question $15(1$ point$)$

Which of the following are valid function declarations? $($Choose all that apply$)$

Question $15$ options:

myfunc $()\{$ echo Hello World; $\}$

myfunc $=()$ echo Hello World

function myfunc $=$ "echo Hello World";

function myfunc $()\{$ echo Hello World; $\}$

Question $16(1$ point$)$

Which of the following crontab entries would be executed at $2$:$04$am on Fridays only?

Question $16$ options:

$24**5$

$42*5*$

$42**5$

$24*5*$

Question $17(1$ point$)$

Which of the following is NOT a valid file when you issue the command: $1$s$-1?$

Question $17$ options:

$-$rwxr$-$xr$-$x

o$-$w$-$r$-$x$-$w$-$

srwx$-$w$-$rwx

drwxr$-$xrwx

Question $18(1$ point$)$

What can you do to improve the security of xinetd$-$managed daemons?

Question $18$ options:

Pray

Use a Linux IDS

Implement TCP wrappers

Implement PAM authentication

Question $19(1$ point$)$

Which of the following tar commands will extract an archive?

Question $19$ options:

tar$-$xzvf archive.tar.gz

tar$-$cf archive.tar$*$

tar$-$tvf archive.tar

tar$-$cvf archive.tar

Question $20(1$ point$)$

What command will change the root of the filesystem to the hard disk in System Rescue mode or on a Live DVD root shell?

Question $20$ options:

linux rescue

chroot$/$mnt$/$sysimage

chown root$/$

cd$/$

Question $21(1$ point$)$

Which virtualization components are provided by the Linux kernel and libraries in modern Linux distributions by default? $($Choose all that apply$)$

Question $21$ options:

KVM

Xen

Qemu

Hyper$-$V

Question $22(1$ point$)$

Which utility can list a module in the kernel?

Question $22$ options:

insmod

probemod

rmmod

lsmod

Question $23(1$ point$)$

Which of the following will show one disk free space by filesystem?

Question $23$ options:

df

quot

du

mount$-$t

Question $24(1$ point$)$

Which one of the following uses proper command syntax? $($Choose all that apply$)$

Question $24$ o