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Whenremoving a package, which of the following dpkg options will completely remove the files including configuration files?

A.

--clean

B.

--delete

C.

--purge

D.

–remove

Which type of filesystem is created by mkfs when it is executed with the block device name only and without any additional parameters?

A.

ext2

B.

ext3

C.

ext4

D.

XFS

E.

VFAT

What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)

A.

route del default

B.

ifconfig unset default

C.

netstat -r default

D.

ip route del default

E.

sysctl ipv4.default_gw=0

Which file contains a set of services and hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Specify the full name of the file, including path.)https://lh3.googleusercontent.com/-5cd-clmKnbk/AAAAAAAAAAI/AAAAAAAAADM/-SXesH19Ido/s46-c-k-no/photo.jpg

Which keyword must be listed in the hosts option of the Name Service Switch configuration file in order to make host lookups consult the /etc/hosts file?

Which command makes the shell variable named VARIABLE visible to subshells?

A.

export $VARIABLE

B.

export VARIABLE

C.

set $VARIABLE

D.

set VARIABLE

E.

env VARIABLE

What is true regarding a default route?

A.

The default route is always used first. When the default route is not available more specific routes are tried.

B.

When a default route is set, all other routes are disabled until the default route is deleted.

C.

The default route is only used if there is not a more specific route to a destination host or network.

D.

Without a default route, no network communication even in directly attached networks is possible.

Which of the following commands prints a listof usernames (first column) and their primary group (fourth column) from the /etc/passwd file?

A.

fmt -f 1,4 /etc/passwd

B.

split -c 1,4 /etc/passwd

C.

cut -d : -f 1,4 /etc/passwd

D.

paste -f 1,4 /etc/passwd