Network commands

Question 1

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This command is used to test a host’s reachability on an IP network. It sends a series of ICMP packets looking for an echo reply. Your system will then report if the call and response were successful and how long it took in miliseconds.

Answer 1

Ping

Question 2

This command is used to display network statistics

Answer 2

Netstat

Question 3

This command is used to query the DNS (domain name system) to obtain information about host addresses, mail exchanges, nameservers, and related information.

Answer 3

Dig

Question 4

This utility is a command line program that works with Ubuntu’s APT (advanced packaging tool) library to install new software packages, remove existing sofware packages, upgrade existing software packages, or upgrade an entire operating system. It works with Ubuntu and Debian-based linux distributions.

Answer 4

apt-get