a$.$dhcp

b$.$squid

c$.$httpd

d$.$DNSD

$10.$ To obtain DNS configuration, clients listens on TCP port.

a$.20$

b$.21$

c$.67$

d$.53$

$11.$ To return PPID for all parent process we use:

a$.$pa aux $|$ grep PPID

b$.$ps $-$ef

c$.$ps $-$af

d$.$ps aux PPID

$12.$ To stop any process running in background we use: a$.$kill

b$.$ Ctr$+$C

c$.$a and $b$

d$.Ctr+Z$

$13.$ To show the system portions in linux we use.

a$.$df $-h$

b$.$fd $-h$

c$.$du $-h$

d$.$none

$14.$ Contains the log files which is important for monitoring the servicesa.

a$./$usr $log$

b$./$etc

c$.$ var

d$.$ home

$15.$ Which statements are true about inode number?

a$.$ Meta data for files only

b$.$ Meta data for files and directories

c$.$ Meta data for directories only

d$.$ Has same value in solt$-$link files