What is the purpose of the 'CORS' (Cross-Origin Resource Sharing) mechanism? MCQ with Answer and Explanation
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Question #1
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What mechanism does an internet email communication layout use to notify a sender that a designated recipient mailbox address is completely invalid or non-existent?
Correct Answer: Option B
Explanation:
A hard bounce is a permanent delivery failure message indicating that an email address is invalid, typo-ridden, or has been permanently deactivated by the hosting provider.
A hard bounce is a permanent delivery failure message indicating that an email address is invalid, typo-ridden, or has been permanently deactivated by the hosting provider.
This question belongs to:
Computer
Internet and Web Technologies
Question #2
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Which protocol adds a layer of security to HTTP by using encryption?
Correct Answer: Option C
Explanation:
HTTPS (HTTP Secure) is an extension of HTTP that uses SSL/TLS protocols to encrypt communication, providing secure data transmission.
HTTPS (HTTP Secure) is an extension of HTTP that uses SSL/TLS protocols to encrypt communication, providing secure data transmission.
This question belongs to:
Computer
Internet and Web Technologies
Question #3
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Which internet protocol enables network users to join live interactive conversation text forums globally in real-time, operating under a traditional client-server architecture pattern?
Correct Answer: Option C
Explanation:
IRC (Internet Relay Chat) is an old application layer protocol created specifically to handle structured text messaging networks in real-time.
IRC (Internet Relay Chat) is an old application layer protocol created specifically to handle structured text messaging networks in real-time.
This question belongs to:
Computer
Internet and Web Technologies
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