Exam 10: Communicating Digital Content

____________________ technology uses short-range radio waves to transmit data between two devices.

The amount of data, instructions, and information that can travel over a communications channel sometimes is called which of the following?

You own a third-party business that provides networking services such as EDI, secure data and information transfer, storage, and email. Into what category of business does this business fall?

A MAN usually is managed by a consortium of users or by a single network provider that sells the service to the users.

You have taken a new job as a network administrator. Although you have been an IT professional within your organization for a number of years, this particular responsibility is a new one for you, so you have been studying network topologies, for example. You are very confident about the hub you are going to use in your new network - it is brand new and highly recommended by some colleagues that you trust. Which of the following network topologies is a good choice for you?

What is a NIC?

What type of media transmits multiple signals simultaneously?

Which of the following is a transmission media on which data, instructions, or information travel?

Contactless payment is a popular use of UWB technology.

The type of network shown in the accompanying figure, describes a network in which each computer has equal responsibilities and capabilities. What is this kind of network called?

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

Which of the following kinds of modems is a modem that sends and receives digital data over and information to and from a digital line?

Which of the following terms identifies any network based on the 802.11 family of standards?

____________________ is a newer network standard developed by IEEE that specifies how wireless devices communicate over the air in a wide area.

Phone networks, the Internet, and other networks with large amounts of traffic use ATM.

The ____________________ standard specifies that computers and devices on the network share or pass a special signal, called a token, in a unidirectional manner and in a preset order.

Which of the following is the data transfer rate equivalent to one million bits per second?

Which of the following defines guidelines that specify the way computers access the medium to which they are attached, the type(s) of medium used, the speeds used on different types of networks, and the type(s) of physical cable and/or the wireless technology used?

Communications software usually is bundled with the operating system or communications devices.

With ISDN, the same telephone line that could carry only one computer signal now can carry three or more signals at once through the same line, using a technique called multiplexing.