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 $24$ options:

Command $/$ File

Command $>$ File

Command $<$ File

Command $>>$ File

Question $25(1$ point$)$

What would wc $-\_$ report do$?$

Question $25$ options:

Removes the write permission form the report file

copies report to the wc directory and deletes the original

counts the number of words in report

Finds all the occurrences of $\text{'}$wc$\text{'}$ in the report file

Question $26(1$ point$)$

What command can you use to obtain DHCP configuration for a network interface?

Question $26$ options:

ifupdhcp

dhclient

pump

ifconfig

Question $27(1$ point$)$

What utility can be used to test the syntax of entries in $/$etc$/$samba$/$smb$.$conf?

Question $27$ options:

samba$-$test

testparm

smbd

nmbd

Question $28(1$ point$)$

Which one of the following is not a shell variable?

Question $28$ options:

$PATH

$HOME

$GREP

$SHELL

Question $29(1$ point$)$

Which of the following commands can be used to start the Apache daemon at boot time on Fedora $20?$

Question $29$ options:

systemctl start httpd

systemctl enable httpd

systemctl enable httpd$.$service

systemctl start httpd$.$service

Question $30(1$ point$)$

Which man page section refers to files?

Question $30$ options:

$5$

$1$

$3$

$8$