The connection of your smartphone to your wireless headset is an example of a(n) ____.
A. ?personal area network
B. ?local area network
C. ?WWAN
D. ?access point network
Answer: A
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What is the output of the following Java code? int x = 0;if (x > 0) System.out.println("positive "); System.out.println("zero ");System.out.println("negative");
A. zero B. negative C. zero negative D. positive zero negative
What is a software program that parses through binary code syntax and finds areas of weak code?
A. development tool B. code repository C. IDE D. code analyzer
Identify the letter of the choice that best matches the phrase or definition.
A. A wireless transmission medium that distributes radio signals through the air over long distances. B. A form of broadcast radio that is used widely for mobile communications. C. Category of cellular transmission that transmits digital data at speeds from 9.6 Kbps to 144 Kbps. D. Examples of standards in this category include EDGE and UMTS. E. Category of cellular transmission that transmits digital data at speeds up to 100 Mbps. F. Transmission media that uses wire, cable, and other tangible materials to send communications signals. G. Transmission media that sends communications signals through the air or space using radio, microwave, and infrared signals. H. Consists of a single copper wire surrounded by at least three layers. I. Mobile computers and devices, such as a mouse, printer, and smartphone, often have this kind of port to enable the transfer of data from one device to another using light waves. J. Kind of cable designed to reduce noise. K. This kind of device contains a small chip that allows it to communicate with other similar devices. L. A network standard that specifies how two devices use short-range radio waves to communicate at high speeds with each other. M. Standard that specifies how wireless devices communicate over the air in a wide area. N. Kind of network that is sometimes called a file sharing network. O. Contactless payment uses this technology. P. The core of this kind of cable consists of dozens or hundreds of thin strands of glass or plastic that use light to transmit signals. Q. Can be negatively affected by the distance between two points, the type of transmission media, and the number of nodes through which data must travel. R. To prevent unauthorized users from accessing files and computers, many routers are protected by these. S. Protocol that defines how a network uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person. T. Type of lines that can be either analog or digital.