FUNDAMENTALS OF COMPUTER

TELECOMMUNICATIONS SYSTEMS

NETWORK ARCHITECTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which command line tool would be used to identify open ports and running services on a host?
A
Ping
B
Netstat
C
Tracert
D
Ifconfig
Explanation: 

Detailed explanation-1: -The netstat command is a CLI tool for network statistics. It gives an overview of network activities and displays which ports are open or have established connections. The netstat tool is essential for discovering network problems.

Detailed explanation-2: -Summary. PortQry is a command-line tool that you can use to help troubleshoot TCP/IP connectivity issues. This tool reports the status of target TCP and User Datagram Protocol (UDP) ports on a local computer or on a remote computer. It also provides detailed information about the local computer’s port usage.

Detailed explanation-3: -If you would like to test ports on your computer, use the Windows command prompt and the CMD command netstat-ano. Windows will show you all currently existing network connections via open ports or open, listening ports that are currently not establishing a connection.

Detailed explanation-4: -To use netstat, open the Terminal application and type “netstat-an | grep LISTEN.” This will show you a list of all the open ports on your Mac, along with the process ID verification service (PID) and name of the application that’s using each port.

There is 1 question to complete.