Which one is the correct understanding of the FTP active transmission mode?

Question

Options

• AThe client uses port number 20 as the source port to establish a data connection
• BThe client uses port number 21 as the source port to establish a data connection
• CThe server uses port number 20 as the source port to establish a data connection
• DThe server uses port number 21 as the source port to establish a data connection

• A
  3% (2)
• B
  15% (10)
• C
  74% (48)
• D
  8% (5)

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