Study HubHubPage 158/171Scan verified MCQs with the answer highlighted, then open explanations when you want the reasoning.
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Malware
Which software copies itself without the permission and knowledge of the user?
A virus is a type of software that copies itself without the user's permission or knowledge, often spreading to other programs or systems. This behavior distinguishes it from other software types like programs or antivirus software.
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History Of Email
When was the first email sent?
The first email was sent in 1971 by Ray Tomlinson, who implemented the first networked email system on ARPANET, making option A correct.
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Account actions
Which of the following can be used to open your account?
To access or open your account, you typically 'log in' or 'sign in'. Both terms are often used interchangeably, but 'log in' (option C) is the more precise and widely accepted term for opening an account session. 'Sign out' means to exit the account, and 'none of these' is incorrect.
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Email address structure
An e-mail address consists of two parts: username ID and ____.
An email address is composed of two main parts separated by the '@' symbol: the username (or user ID) and the domain name, which specifies the mail server.
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Email Protocols
Which protocol keeps emails on the server and syncs across devices?
IMAP4 (Internet Message Access Protocol version 4) keeps emails on the server and synchronizes them across multiple devices, allowing users to access their mail from anywhere. POP3 downloads emails to a single device and typically removes them from the server, SMTP is used for sending emails, and Telnet is unrelated to email protocols.
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Sending media and text
To send audio, video, and text we use ____:
Email is a communication technology that allows sending audio, video, and text as attachments or embedded content. While YouTube is primarily a platform for sharing and streaming video and audio content publicly, it is not a direct communication tool for sending media to specific recipients. MS Word is a document editor and does not serve as a platform for sending audio or video. Therefore, among the given options, Email is the most appropriate choice for sending audio, video, and text directly to others.
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History Of Email
When was the first email system developed, and by which person?
The first email system was developed in 1971 by Ray Tomlinson, who implemented the use of the '@' symbol to designate email addresses. This innovation laid the foundation for modern email communication.
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Email attachments/formats
Which format can be sent through emails?
All the listed formats—Text, mp4 (video), and docx (document)—can be sent through emails as attachments or inline content, making 'All of these' the correct choice.
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Imap4
IMAP4 allows you to:
IMAP4 (Internet Message Access Protocol version 4) allows users to access and manage their emails directly on the mail server from multiple devices, keeping emails synchronized. It does not handle sending, deleting only, or encrypting emails.
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Email Protocols
Which protocol is used to send emails?
SMTP (Simple Mail Transfer Protocol) is the standard protocol used to send emails from a client to a mail server or between mail servers. POP3 and IMAP4 are used for retrieving emails, while FTP is used for file transfers, not email sending.