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Exam 6: The Internet

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Question 21

Multiple Choice

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An Internet utility called ____ sends a signal to a specific Internet address and waits for a reply.

A) Traceroute
B) Ping
C) ICMP
D) Pang

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Question 22

Multiple Choice

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Most Internet users have a(n) ____ IP address, for as long as they remain connected.

A) non-volatile
B) volatile
C) flash
D) dynamic

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Question 23

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Who maintains the Internet backbone?

The actual speed of a 56 Kkps modem is ____.

Critical Thinking questions (Multiple Choice) A router can connect to the Internet through any of the following EXCEPT ____ modems.

Discuss the difference between a static IP address and a dynamic IP address.

A ____ contains circuitry that converts the data-carrying signals from your computer to signals that can travel over various communications channels.

A networked-based ____________________ messaging system allows people to exchange short messages while they are online.

The main routes for data traffic across the Internet are referred to as the Internet spine.

FTP allows authorized remote users to change file names and delete files.

Today's VoIP systems allow you to use a standard telephone handset to make or receive calls.

DOCSIS, a security technology used by cable companies, secures your computer from your neighbors, but it does not close all the holes.

Case 3 Matthew has his new computer system in place and is ready to have an Internet connection. He is overwhelmed by the variety of choices for home Internet connections. For instance, he could choose to connect using an existing telephone line or dial-up connection. He could also use a cable modem, ISDN (Integrated Services Digital Network) , DSL (Digital Subscriber Line) , or satellite Internet service. Which of the Internet connections is always-on and does not require proximity to a telephone switching station?

____________________ software makes sure that incoming information was actually requested and is not an unauthorized intrusion.

On average, data within North America usually arrives at its destination in less than 100 ____________________ after it is sent.

IP (Internet Protocol) is responsible for addressing packets so that they can be routed to their destination.

Many Internet servers have an easy-to-remember name, such as nike.com. The official term for this name is ____.

In many rural areas, satellite Internet service is the only alternative to a dial-up connection.

____ is a 3G technology developed by Qualcomm and currently deployed by Alltel, Sprint, and Verizon in major U.S. markets.

____ coordinates technical management of the Internet's Domain Name System.