Exam 13: Behind the Scenes: How the Internet Works

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Which protocol uses standard Internet connections to make phone calls over the Internet?

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The MIME specification stands for ________.

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________ permits two or more people to communicate over the Internet in real time.

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In ________- key encryption, two keys, known as a key pair, are created, where one key is used for coding and the other key for decoding.

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When checking to see whether a particular name is registered on the Internet, your computer accesses a database that is kept on a(n) ________ server.

(Multiple Choice)
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Match each of the following servers to its definition:
DNS
specifically deals with the SMTP communication method
e-mail
enables users to purchase items over the Internet
commerce
assigns users IP addresses for the duration of a session
Correct Answer:
Verified
Premises:
Responses:
DNS
specifically deals with the SMTP communication method
e-mail
enables users to purchase items over the Internet
commerce
assigns users IP addresses for the duration of a session
DHCP
delivers HTML documents on request
web
translates a domain name into an IP address
(Matching)
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When only the two parties involved in sending a message have the code, this is called ________-key encryption.

(Multiple Choice)
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Match each of the following terms to its definition:
ICANN
public-key package
packet switching
exchange of control packets between computers
PGP
breaks information down into pieces that can take different paths
Correct Answer:
Verified
Premises:
Responses:
ICANN
public-key package
packet switching
exchange of control packets between computers
PGP
breaks information down into pieces that can take different paths
circuit switching
a dedicated connection is formed between two communicating parties
handshaking
allocates IP addresses
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________ is a method of communication in which a dedicated connection is formed between two points and the connection remains active during the transmission.

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________ is a commonly used scripting language for creating DHTML effects.

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________ is the main protocol suite developed for the Internet.

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________ is the process of encoding e-mail so that only the person with a corresponding key can decode and read the message.

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When using ________-key encryption, only the message sender and recipient have the code.

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The ________ is a consortium of organizations that develops web protocols and sets standards.

(Short Answer)
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HTML is an acronym for Highly Textual Markup Language.

(True/False)
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File Transfer Protocol (FTP) is used to transmit e-mail messages across the Internet.

(True/False)
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An applet is a small application that resides on a server but is downloaded to, and run on, the client computer.

(True/False)
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Match each of the following terms to its definition:
instant messaging
used to decode an encrypted message
second-level domain
communication between two or more people over the Internet in real time
Internet cache
list of rules that define how to display HTML elements
Correct Answer:
Verified
Premises:
Responses:
instant messaging
used to decode an encrypted message
second-level domain
communication between two or more people over the Internet in real time
Internet cache
list of rules that define how to display HTML elements
cascading style sheet
section of a hard drive that stores web page information
private-key
unique domain within a top-level domain
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The ________ IP addressing scheme uses 128-bit addressing.

(Short Answer)
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Match each of the following TCP/IP suite protocols to its definition:
IP
prepares data for transmission providing for error checking and resending lost data
HTTP
used for transmission of e-mail messages across the Internet
SMTP
protocol that assigns dynamic IP addresses
Correct Answer:
Verified
Premises:
Responses:
IP
prepares data for transmission providing for error checking and resending lost data
HTTP
used for transmission of e-mail messages across the Internet
SMTP
protocol that assigns dynamic IP addresses
DHCP
sends data between computers on the Internet
TCP
transfers data from servers to browsers
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