Which of the following fields in an email header allows you to send a copy of a message to a recipient without their email address being visible to other recipients? MCQ with Answer and Explanation
Which of the following fields in an email header allows you to send a copy of a message to a recipient without their email address being visible to other recipients?
A. Subject
B. Bcc
C. To
D. Cc
Answer: Option B
Solution (By JKSSB Mock Tests)
Bcc stands for Blind Carbon Copy. Addresses added to the Bcc field are hidden from all other recipients of the email.
Which protocol offers a lightweight, connectionless transmission method that prioritizes speed over data arrival validation, often used for online live video streaming?
Explanation:
UDP (User Datagram Protocol) is a connectionless transport protocol that transmits data packets rapidly without setting up an overhead verification connection, ideal for real-time streams.
Which specific browser technology or feature allows web developers to evaluate and track the precise network transmission speeds and load times of individual page elements natively?
Explanation:
The Network tab inside browser Developer Tools maps out precise asset timelines, showing status codes, payload sizes, and connection times for every element fetched during a page load.
Which file is placed on a website's server to give instructions to search engine web crawlers about which paths and directories should not be scanned or indexed?
Explanation:
The robots.txt file is a standard text file used by websites to guide web robots and crawlers regarding which parts of the site they are allowed to index.
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