Which structural part of an email address uniquely identifies the specific inbox owner within a particular hosting provider's domain platform? MCQ with Answer and Explanation

Which structural part of an email address uniquely identifies the specific inbox owner within a particular hosting provider's domain platform?
A. The domain extension (.org/.com)
B. The IP address trace configuration
C. The mail exchange header string
D. The local part (username preceding the @ sign)
Answer: Option D
Solution (By JKSSB Mock Tests)
An email address consists of a local part (identifying the user mailbox) followed by the '@' sign and the domain host name.

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Practice More Internet and Web Technologies Questions

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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 Outbound SMTP Transfer Queue
B. The FTP File Transfer Log Core
C. The Corporate Extranet Interface Hub
D. The Local Hosts File (hosts)

Correct Answer: Option D


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 is the term used to describe a localized or network-wide software program that intercepts web traffic to filter out adult content, malware sites, or unapproved domains in an office environment?
A. Web Content Filter
B. Cookie Tracker Block
C. DNS Translation Router
D. FTP Bridge Module

Correct Answer: Option A


Explanation:
Content filters screen inbound and outbound web requests against lists of categorized domains to block malicious or inappropriate content.

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Question #3
What is a web browser's 'bookmark' used for?
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B. To save a URL for quick access later
C. To block websites
D. To store passwords

Correct Answer: Option B


Explanation:
A bookmark (or favorite) is a stored link to a web page that allows users to quickly revisit it without typing the URL again.

This question belongs to: Computer Internet and Web Technologies