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Exam 13: Behind the Scenes: How the Internet Works

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Question 21

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A(n) ________ protocol doesn't require any type of connection to be established or maintained between two computers.

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Question 22

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The tag <i> informs a browser that the text that follows the tag should be italicized.

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B) False

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Question 23

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Packet switching is the communications methodology where data is broken into ________ that are sent over various routes at the same time.

In ________ encryption, only the two parties involved in sending a message have the code to unlock the message.

The OpenPgP encryption protocol stands for Open Pretty Good Privacy.

IPv6 uses six groups of 16-bit numbers.

________ addressing means that your ISP assigns your computer a temporary IP address from an available pool of IP addresses each time you log on to the Internet.

Transport Layer Security (TLS) and ________ are two protocols that provide data integrity and security for Internet transmission.

Strong encryption now requires ________-bit keys.

________ is the communications methodology where data are broken into smaller chunks to be sent over various routes at the same time.

Match each of the following terms to its definition:

If a packet which is being sent between two computers is damaged in transit, a(n) ________ acknowledgment is sent.

In the acronym HTTPS, the S stands for ________.

The JavaScript ________ defines items on a web page such as graphics, tables, and headers as objects.

A(n) ________ links a URL to an IP address when a web page is requested.

A communications server is a specialized computer whose sole function is to store, process, and send e-mail.

A secure website using SSL encryption will have ________ followed by ://www.websitename.com as the protocol in its URL.

When using ________ addressing, a computer is assigned a temporary address from a pool of available IP addresses.

Which of the following is an example of an instant messaging service?

________ uses a dedicated connection between two points with the connection remaining active for the duration of the transmission.