What command is used to view all variables, local and global?

• env

• var

• echo $var

• print $env

What is the use of file /etc/hosts on a linux system?

• To map any relevant IP to a hostname

• To map any Ip to its relevant IP

• To map any hostname to its relevant IP

• To map any hostname to its hostname

What file is the configuration file for Samba?

• /var/etc/smb.conf

• /etc/network/smb.conf

• /var/log/smb.conf

• /etc/samba/smb.conf

Default Apache stores it's HTML content pages in:

• /etc/www

• /apache/www

• /var/www

• /var/www/html

How can I edit a cronjob?

• crontab -l

• crontab

• crontab -e

• crontab -m

When using the ping command, how many packets (count) would be sent?

• 0

• 1

• 64

• indefinite

What is the DIG command in Linux used for?

• Query the hostname

• Setup the network

• Querying name servers

• Check for connectivity

IPv6 is a 128 bit numeric representation of devices over Internet. It supports how many addresses? (Choose 2)

• 340 trillion, trillion, trillion unique IP address.

• 340 million, million, million, million unique IP address

• 340 thousand unique IP address

• 2 pow(128) unique IP address

In Linux, drivers are referred to as?

• Components

• Segments

• Kernels

• Modules

The commands 'ifconfig' and 'ip' can do the exact same things but with different switches (true or false)

• true

• false