Exam 1 1.To standardize the design of communication systems, the ISO created the ____ model. OSI 2. The layers in the OSI model from top to bottom are arranged in the following order: Application> Presentation>Session> Transport> Network> Datalink> Physical 3. The _____ of a signal is the number of times a signal makes a complete cycle within a unit time. frequency 4. ___ is a relative measure of signal loss or gain. Decibel 5. The ___ of a signal is the absolute value of the difference between the lowest and highest frequencies. Bandwidth 6. ___ is an encoding technique that converts analog data to digital signal. PCM 7.___ is a possible contender for 4G cellular telephone system. LTE 8.___ is a coding technique that provides a unique coding value for every character in every language. Unicode 9.___ is a data service provided by GSM cellular networks. GPRS 10.___ is a protocol that allows portable devices such as mobile phones to access the Internet. WAP 11.___ satellites are such that their position relative to the earth remains unchanged. GEO 12.___ is a standard for wireless personal area network. Bluetoothbluetooth = wireless, duh! 13.___ is a set of techniques to transmit multiple signals over a single data link. Multiplexing 14.___Uses analog signals for multiplexing.
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