What is the role of a web security certificate (SSL/TLS certificate)? MCQ with Answer and Explanation

Question
What is the role of a web security certificate (SSL/TLS certificate)?
A. To register domain names
B. To store user passwords
C. To block malicious content
D. To authenticate the identity of a website and enable encrypted connection
Answer: Option D
Solution (By JKSSB Mock Tests)
An SSL/TLS certificate verifies the identity of a website and allows for encrypted communication via HTTPS.
This question belongs to: Computer Internet and Web Technologies
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Question #1
Which of the following is used to encrypt data transmitted over HTTPS?
A. WPA
B. IPSec
C. SSH
D. SSL/TLS
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Correct Answer: Option D

Explanation:
HTTPS uses SSL (Secure Sockets Layer) or its successor TLS (Transport Layer Security) to encrypt data between the client and server.
This question belongs to: Computer Internet and Web Technologies
Question #2
What mechanism does a browser use to maintain persistent client-side data store pools across tabs using basic key-value pairs without expiration deadlines via JavaScript?
A. Session Cookies
B. RAM Buffers
C. LocalStorage
D. DNS Registry Logs
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Correct Answer: Option C

Explanation:
The Web Storage API provides 'localStorage', allowing web applications to save data locally inside the user's browser with no built-in expiration timeline.
This question belongs to: Computer Internet and Web Technologies
Question #3
Which part of an email address indicates the specific domain or host mail server where the mailbox is located?
A. The text preceding the '@' symbol
B. The text following the '@' symbol
C. The signature block
D. The subject line header
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Correct Answer: Option B

Explanation:
In an email address format (username@domain.com), the part following the '@' symbol represents the target host domain or mail server.
This question belongs to: Computer Internet and Web Technologies
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