Section 1 – Ping :- Ping is part of ICMP (Internet Control Message Protocol) which is used to troubleshoot TCP/IP networks. So, Ping is basically a command that allows you to check whether the host is alive or not. To ping a particular host the syntax is (at command prompt)-- c:/>ping hostname.com example:- c:/>ping mediacollege.com SECTION 2-NETSTAT:- It displays protocol statistics and current TCP/IP network connections. i.e. local address, remote address, port number, etc. It's syntax is (at command prompt)-- c:/>netstat -nr SECTION-3 TELNET:- Telnet is a program which runs on TCP/IP. Using it we can connect to the remote computer on particular port. When connected it grabs the daemon running on that port. The basic syntax of Telnet is (at command prompt)-...