Introduction to FTP Protocol Answers 1. What does FTPS use to secure data transmission? A. SSH encryption B. HTTP encryption C. TLS/SSL encryption D. AES encryption Answer: TLS/SSL encryption (C) FTPS is an extension of FTP that employs TLS/SSL encryption for securing data. 2. Which file transfer protocol is often preferred due to better security and easier configuration? A. HTTP B. FTP C. TFTP D. SFTP Answer: SFTP (D) SFTP is preferred over FTP due to its enhanced security and user-friendly configuration. 3. What is a critical limitation of the FTP protocol? A. It is too fast for most users. B. It lacks inherent security features. C. It only works on Windows systems. D. It does not support file compression. Answer: It lacks inherent security features. (B) FTP's fundamental limitation is its lack of inherent security measures. 4. In modern systems, what alternatives to FTP are commonly favored for file transfer? A. HTTP and FTP B. FTPS and SFTP C. POP3 and IMAP D. TFTP and SMTP Answer: FTPS and SFTP (B) Modern systems typically favor FTPS and SFTP due to their secure methods of file transfer. 5. Why is it still beneficial to understand FTP despite its limitations? A. It is the fastest transfer protocol available. B. It is essential for troubleshooting legacy systems. C. It is the only protocol that can be used. D. It offers the most features for file transfer. Answer: It is essential for troubleshooting legacy systems. (B) Understanding FTP is useful for troubleshooting and maintaining legacy systems that still rely on it. 6. What is the primary function of FTP? A. Maintaining database connections B. Interactive remote login to servers C. Real-time communication between users D. Transfer of computer files between client and server Answer: Transfer of computer files between client and server (D) FTP is specifically designed for the transfer of files, not for interactive sessions. 7. Which port is commonly used for the control connection in FTP? A. 443 B. 21 C. 80 D. 22 Answer: 21 (B) Port 21 is the standard port for initiating control connections in FTP. 8. Which mode initiates the connection from the client to the server's data port? A. Passive Mode B. Dual Mode C. Active Mode D. Secure Mode Answer: Active Mode (C) In Active Mode, the client starts the connection to the server's data port. 9. What does the FTP command 'PUT' accomplish? A. Lists files in a directory B. Uploads a file to the server C. Downloads a file from the server D. Changes the current directory Answer: Uploads a file to the server (B) 'PUT' is used to send or upload a file from the client to the server. 10. Which of the following describes a key vulnerability of FTP? A. Encryption of file transfers B. Data scrambling for security C. Automatic data backup D. Plaintext authentication Answer: Plaintext authentication (D) FTP's plaintext authentication makes it susceptible to eavesdropping and other attacks. 11. What type of connection is used for transmitting actual file data in FTP? A. Control Connection B. Session Connection C. Data Connection D. Secure Connection Answer: Data Connection (C) The Data Connection is specifically designated for transferring files. 12. Which FTP command is used to display the current directory? A. LS B. DIR C. PWD D. CD Answer: PWD (C) The 'PWD' command shows the current working directory in FTP. 13. Which of the following FTP attack types involves intercepting data during transmission? A. Man-in-the-middle attacks B. Phishing attacks C. SQL injection attacks D. Denial-of-Service attacks Answer: Man-in-the-middle attacks (A) Man-in-the-middle attacks are a significant vulnerability where data can be intercepted.