Exam 6: The Internet

One ____ service provider encourages its customers to "Just plug in and jump online anywhere within the service area."

Case Based Critical Thinking Questions Case 1 Claire and her sisters Diane, Barbara, and Jennifer are each trying to determine the best Internet connection for their PCs. Diane wants to have an always-on connection. All of the following are options for her EXCEPT ____.

What is an always-on connection? Why is it convenient?

____ are intended to work on LANs to monitor and direct packets being transported from one device to another.

____ is the process your router uses to keep track of packets and their corresponding private or public IP addresses.

____ management software divides computational problems into pieces that are farmed out to individual computers for processing.

Can you use hotspots for mobile Internet access?

A(n) ____ is a company that maintains Internet computers and telecommunications equipment in order to provide Internet access to businesses, organizations, and individuals.

In communications technology, unmodulation means changing a signal back to its original state.

FTP, SMTP, and UDP are routers used on the Internet.

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. From his list of types of Internet connections that he is considering, Matthew has eliminated ____ because it provides data transfer speeds of only up to 64 Kbps or 128 Kbps.

A VPN is typically a nonprofit solution.

Is hotspot access secure?

When upstream speeds differ from downstream speeds, you have a(n) ____________________ Internet connection.

In general, a person initiates a VPN connection by connecting to an ISP as usual, but after the connection is established, a second connection to the remote access server creates an encrypted channel for data transmission.

New developments in WiMAX might make mobile enhancements to Wi-Fi unnecessary.

A port probe is sometimes called a port ____________________.

Case 2 Perry is writing a report on the history of cellular data services and wants to investigate the differences between the generations ____ introduced an always-on data transfer at 171.2 Kbps to CDMA, TDMA, and GSM networks.