Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.

or use

or use

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

Sorry, you do not have permission to ask a question, You must login to ask a question.

or use

Please briefly explain why you feel this question should be reported.

Please briefly explain why you feel this answer should be reported.

Please briefly explain why you feel this user should be reported.

Ask A Question

Rishabh SinghBronze

Asked: December 30, 20222022-12-30T13:31:47+05:30 2022-12-30T13:31:47+05:30

What Is Port 21 Used For?

You must login to add an answer.

or use

Need An Account,

Network Classmate Latest Questions