Which protocol is used for file transfer with authentication and encryption? MCQ with Answer and Explanation

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Which protocol is used for file transfer with authentication and encryption?

A. SFTP

B. TFTP

C. HTTP

D. FTP

Answer: Option A

Solution (By JKSSB Mock Tests)

SFTP (SSH File Transfer Protocol) provides secure file transfer with encryption.

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Practice More Computer Networking Questions

Question #1

Which of the following is a connection-oriented protocol?

A. DNS

B. UDP

C. ICMP

D. TCP

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Correct Answer: Option D

Explanation:
TCP is connection-oriented; it establishes a session before sending data.

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Question #2

Which type of network topology requires a central controller or hub to connect all peripheral nodes, making the entire network dependent on that single central device?

A. Ring Topology

B. Star Topology

C. Bus Topology

D. Mesh Topology

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Correct Answer: Option B

Explanation:
In a star topology, each network host is connected to a central hub or switch. If the central device fails, the whole network goes down.

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Question #3

Which device creates separate broadcast domains?

A. Switch

B. Repeater

C. Router

D. Hub

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Correct Answer: Option C

Explanation:
Routers create separate broadcast domains because they do not forward broadcasts.

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