CHP 2 Part 3

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Which web browser was created by a team of students at the University of Illinois in 1993?

Mosaic

In 1992, how many Web servers were there in the entire world?

30

Which company is NOT mentioned as a large hosting company for websites?

Microsoft

What is the standard protocol for communication between a Web browser and a Web server?

<p>Hypertext Transfer Protocol (HTTP)</p> Signup and view all the answers

Which web browser was NOT mentioned as an example of a Web browser?

<p>Mozilla Firefox</p> Signup and view all the answers

How many separate websites are there today?

<p>250 million</p> Signup and view all the answers

What is the name of the first web browser created?

<p>Mosaic</p> Signup and view all the answers

Which university did the team of students belong to who created the first graphical web browser?

<p>University of Illinois</p> Signup and view all the answers

What does URL stand for?

<p>Uniform Resource Locator</p> Signup and view all the answers

What is the name of the protocol used for communication between a Web browser and a Web server?

<p>Hypertext Transfer Protocol (HTTP)</p> Signup and view all the answers

Which part of an HTTP request is optional?

<p>The request body</p> Signup and view all the answers

What does the response status in an HTTP response contain?

<p>All of the above</p> Signup and view all the answers

Which email standard is the most commonly used?

<p>SMTP</p> Signup and view all the answers

What is the role of a mail user agent in the email process?

<p>It formats the email message into an SMTP packet</p> Signup and view all the answers

Which part of an HTTP response is optional?

<p>The response body</p> Signup and view all the answers

What information does the request header in an HTTP request contain?

<p>All of the above</p> Signup and view all the answers

Which protocol is used for communication between the receiver's email client and their mail server?

<p>IMAP</p> Signup and view all the answers

What is the purpose of the mail transfer agent in the email process?

<p>It relays the message to its correct destination</p> Signup and view all the answers

Which part of an HTTP request is required?

<p>All of the above</p> Signup and view all the answers

What does the request line in an HTTP request contain?

<p>All of the above</p> Signup and view all the answers

Which protocol allows email messages to remain stored on the mail server after they are read?

<p>IMAP</p> Signup and view all the answers

What is the main difference between POP and IMAP?

<p>POP allows email messages to remain stored on the mail server after they are read, while IMAP copies the message to the client computer's hard disk and deletes it from the server.</p> Signup and view all the answers

Which protocol is used for transferring email messages between different mail servers?

<p>SMTP</p> Signup and view all the answers

What are the two parts of an SMTP packet?

<p>Header and body</p> Signup and view all the answers

Which standard allows for the transfer of non-text files (attachments) in email messages?

<p>MIME</p> Signup and view all the answers

Where does the MIME software exist?

<p>As part of the email client</p> Signup and view all the answers

What does the MIME software do with non-text files before sending them as attachments?

<p>Translates each byte in the file into a special code that looks like regular text</p> Signup and view all the answers

How does the receiver's email client handle MIME-encoded attachments?

<p>It recognizes the MIME 'text' and uses its MIME software to translate the file back into its original format</p> Signup and view all the answers

Why is the three-tier approach using a web browser more complicated than the two-tier approach?

<p>Because it requires the installation and maintenance of a special email client on every client computer</p> Signup and view all the answers

Can a sender and receiver use different email architectures?

<p>Yes, because all communication is standardized using SMTP between the different mail servers</p> Signup and view all the answers

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