Which of the following is a protocol for secure remote login? MCQ with Answer and Explanation

Question
Which of the following is a protocol for secure remote login?
A. Telnet
B. SSH
C. FTP
D. HTTP
Answer: Option B
Solution (By JKSSB Mock Tests)
SSH (Secure Shell) is a cryptographic network protocol for secure remote login and command execution over an insecure network, unlike Telnet which is unencrypted.
This question belongs to: Computer Internet and Web Technologies
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Question #1
Which type of internet architecture component acts as a high-speed logical lookup table running inside local operating systems to resolve domain names locally before querying external DNS servers?
A. The Local Hosts File (hosts)
B. The Corporate Extranet Interface Hub
C. The FTP File Transfer Log Core
D. The Outbound SMTP Transfer Queue
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Correct Answer: Option A

Explanation:
The local 'hosts' file is an operating system text file that maps domain names to IP addresses directly, overriding external DNS nameserver lookups for testing purposes.
This question belongs to: Computer Internet and Web Technologies
Question #2
What does a '403 Forbidden' HTTP status code return signify when trying to open a specific website portal?
A. The server has crashed internally.
B. The URL has moved permanently to a fresh location.
C. The server understands the request, but the client does not possess permission or credentials to view that resource.
D. The user's computer network card is missing a driver update.
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Correct Answer: Option C

Explanation:
A 403 Forbidden error indicates that the web server rejected the client request because they lack access authorizations for that directory or page.
This question belongs to: Computer Internet and Web Technologies
Question #3
Which of the following is a type of web-based attack that involves injecting SQL queries into input fields?
A. SQL Injection
B. Cross-Site Scripting
C. Cross-Site Request Forgery
D. Session Hijacking
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Correct Answer: Option A

Explanation:
SQL Injection is an attack where malicious SQL statements are inserted into input fields to manipulate the database.
This question belongs to: Computer Internet and Web Technologies
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