Quiz 1-2

TBE 3720 Quiz 1-2

True/False
Indicate whether the statement is true or false.

_true___ 1. In addition to digital data, user data may include e-mail messages, spreadsheets, and telephone voice messages.
__false__ 2. UWB technology is capable of doing everything that Bluetooth can, but it can handle a lot more data at higher
_ false_ 3. 3G (third generation) technology uses only 50%digital transmission for both voice and data.
_ false_ 4. T1 lines transmit at 5.44 Mbps.
__true__ 5. Using cellular phone technologies, companies can create a Wireless Wide Area Network (WWAN).
_true_ 6. Digital data for wireless communications is represented in the same way as standard computer data, using the two binary digits 0 and 1.
__true__ 7. Infrared wireless systems send data by theintensity of the light wave instead of on-off signals of light.
__false__ 8. Infrared light provide the most common and effective means of wireless communications today.
__false_ 9. The height of a carrier wave is known as the frequency and can be measured in volts (electrical pressure).
_false__ 10. Frequency modulation (FM) is more susceptible than AM to interference from outside sources.Multiple Choice
Identify the choice that best completes the statement or answers the question.

_ wireless 11.The term ____ is often used to describe all types of devices and technologies that are not connected by a wire.
____ 12. ____ telephones carry digitized voice over the Internet.
13._ Radio frequency identification device - tags are small chips containing radio transponders that can beused to track inventory.
Radio frequency identification device
14._ Bluetooth and _ Ultra Wide Band_ are wireless standards designed for very short ranges—typically only a few inches or feet
Ultra Wide Band
15._ A _piconet _consists of two or more Bluetooth devices that are exchanging data with each other.
Piconet
16._ 3G sends data at rates of up to _2_ Mbps when stationary.
2Mbps
17._A _Wireless Local Area Network (WLAN) _ is an extension of a wired LAN, connecting to it through a device called a wireless access point.
Wireless Local Area Network (WLAN)
18._ In a WLAN, the _Access point (AP) _ relays data signals between all of the devices in the network, including file servers, printers, and even other access points (and the wireless devices connected to them).
Accesspoint (AP)
19._ Each computer on the WLAN has a _wireless network interface card (NIC) _. This card performs the same basic functions and looks similar to a traditional NIC except that it does not have a cable that connects it to a network jack in the wall.
wireless network interface card (NIC)
20._ Depending on the standard used, WLANs can transmit at speeds anywhere from11 Mbps up to 54 Mbps and at distances of 300 to 375 feet.
300 to 375 feet.
21._ Integrated Services Digital Networks (ISDN) lines transmit at _256 _ Kbps over regular phone lines.

22._ The maximum transmission speed that can be achieved with cable modem and DSL is only about _8 _ Mbps.
23._ A _Microbrowser _ is a miniaturized version of a Web browser program that is based on version 2.0of the Wireless Application Protocol (WAP).
24.Wireless Application Protocol version 2.0 (WAP2) _ provides a standard way to transmit, format, and display Internet data for small wireless devices such as cell phones.
____ 25. When a Web server sends a Web page back to a PC, it is sending ____ code and any files (such as graphics) required to assemble the page.
_ J2ME (Java 2 Micro Edition)26.Two competing software programming languages—BREW (Binary Run-Time Environment for Wireless) and ____—are designed and optimized to display text, graphics, and even animations on the small screen of a cellular phone.
__ 10 Mbps27.SWAP devices could be as far as 150 feet (45 meters) apart and could send and receive data up to ____ Mbps.
auricular universal_28. A ____ is a 1.5-pound device...