You are configuring a host-based firewall so that it will allow SFTP(Secure file transfer protocol)connections. Which of the following is required?

You are configuring a host-based firewall so that it will allow SFTP(Secure file transfer protocol)connections. Which of the following is required?

You are configuring a host-based firewall so that it will allow SFTP(Secure file transfer protocol)connections. Which of the following is required? 



A.Allow UDP 21
B. Allow TCP 21
C. Allow TCP 22
D. Allow UDP 22


Answer: C


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