Exam 10: Communications and Networks

Which of the following is a network standard that specifies no central computer or device on the network should control when data can be transmitted?

The star topology is primarily used for LANs but it is also used in WANs.

Discuss a dedicated line and briefly describe the different types of dedicated lines.

Consumers can purchase blank NFC tags at a reasonable cost and easily program them to perform certain actions.

COGNITIVE ASSESSMENT What does EFT stand for?

COGNITIVE ASSESSMENT You want to use the UMB cellular transmission standard on your new mobile phone. Which standard will you use?

ADSL is ideal for Internet access because most users upload more information than they download from the Internet.

A(n) ____________________ is a high-speed network that connects networks in an area such as a city or town and handles the bulk of communications activity across that region.

COGNITIVE ASSESSMENT You run a large network in which it is important to keep a duplicate of the central devices in case the primary one fails. What category of network topology does this network use?

____________________ is a type of DSL that supports faster transmission rates when receiving data (the downstream rate) than when sending data (the upstream rate).

Depending on the transmission media used, Ethernet networks have data transfer rates that range from 10 Gbps for small office/home users to 1000 Gbps for enterprise users.

The main differentiation among network classifications is whether they are wired or wireless.

One advantage of Bluetooth is its high bandwidth.

COGNITIVE ASSESSMENT You are a technology expert and you have been asked to predict which technology will become the Internet standard for data transmission, replacing T3 lines. Which of the following are you most likely to predict?

Microwave transmission involves sending signals from one microwave station to another. What is this often called?

Today, ____________________ is the most popular LAN technology because it is relatively inexpensive and easy to install and maintain.

COGNITIVE ASSESSMENT Which of the following technologies is your new mobile phone payment device most likely to use?

COGNITIVE ASSESSMENT How are standards such as EDI used by businesses?

COGNITIVE ASSESSMENT What type of media transmits multiple signals simultaneously?

Contactless payment is a popular use of UWB technology.