Which standard network port is mapped default to secure Shell (SSH) access lines and secure file copies via SFTP? MCQ with Answer and Explanation

Question
Which standard network port is mapped default to secure Shell (SSH) access lines and secure file copies via SFTP?
A. 80
B. 21
C. 23
D. 22
Answer: Option D
Solution (By JKSSB Mock Tests)
Port 22 is the standard default port assigned globally to manage secure command-line console sessions and file transfers via SSH.
This question belongs to: Computer Internet and Web Technologies
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Question #1
What does a '405 Method Not Allowed' HTTP status code return imply about a client browser's interaction with a web application?
A. The web server facility has completely crashed down.
B. The requested URL address path has changed its location permanently.
C. The server recognizes the request method, but the specific target resource does not support that method (e.g., trying to POST to a read-only static text file).
D. The input security certificate has an expired authorization date.
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Correct Answer: Option C

Explanation:
An HTTP 405 error occurs when the requested resource is configured to reject the specific HTTP method used (such as a browser attempting a POST action on a static page designed only to accept GET requests).
This question belongs to: Computer Internet and Web Technologies
Question #2
Which protocol is utilized by network administrators to dynamically assign local IP addresses automatically to devices joining a network?
A. SMTP
B. DNS
C. DHCP
D. FTP
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Correct Answer: Option C

Explanation:
DHCP (Dynamic Host Configuration Protocol) automatically assigns IP addresses and network configuration parameters to client devices dynamically.
This question belongs to: Computer Internet and Web Technologies
Question #3
What is the function of the 'Archive' folder inside a standard digital email workspace setup?
A. To hold incomplete drafts of email layouts
B. To collect malicious spam items safely until deletion
C. To clear out temporary cookie tracker files automatically
D. To store old or processed emails that you want to remove from your main inbox view without permanently deleting them from server storage
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Correct Answer: Option D

Explanation:
The Archive folder serves as a long-term storage space, allowing users to keep their main inbox clean while retaining access to old messages for historical search needs.
This question belongs to: Computer Internet and Web Technologies
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