Which of the following is a secure method to transfer files? MCQ with Answer and Explanation

Which of the following is a secure method to transfer files?
A. FTP
B. TFTP
C. SFTP
D. HTTP
Answer: Option C
Solution (By JKSSB Mock Tests)
SFTP (SSH File Transfer Protocol) provides secure file transfer over SSH, encrypting both commands and data, unlike plain FTP and TFTP.

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Practice More Internet and Web Technologies Questions

Question #1
Which protocol provides a secure method for executing command-line instructions, managing servers, and tunneling network configurations over an encrypted connection on the internet?
A. HTTP
B. SSH (Secure Shell)
C. FTP
D. Telnet

Correct Answer: Option B


Explanation:
SSH (Secure Shell) provides a secure, encrypted channel for running remote terminal commands and managing network systems safely over public paths.

This question belongs to: Computer Internet and Web Technologies
Question #2
Which specific email protocol is best suited for a user who needs to check their single centralized email inbox across a personal smartphone, an office desktop computer, and a home laptop while maintaining a uniform folder layout?
A. IMAP
B. SMTP
C. POP3
D. FTP

Correct Answer: Option A


Explanation:
IMAP manages and stores emails directly on the mail server, allowing multiple devices to connect and view synchronized message states and folder structures in real time.

This question belongs to: Computer Internet and Web Technologies
Question #3
What mechanism does a web server implement to compress digital image files dynamically over internet networks to reduce asset payloads and accelerate webpage loading speeds?
A. Image Compression / Optimization algorithms (e.g., WebP formatting)
B. Running outbound SMTP mail server delivery routines
C. Static FTP file catalog adjustments
D. Altering localized device hardware MAC address registries

Correct Answer: Option A


Explanation:
Modern image formats like WebP use advanced compression algorithms to provide smaller file sizes than traditional JPEG or PNG formats, significantly lowering bandwidth consumption.

This question belongs to: Computer Internet and Web Technologies