Practice Quiz in Digital and Data Communication Networks Part 35

This is the Online Practice Quiz in Digital and Data Communication Networks Part 35 as one of the Communications Engineering topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Examination Questions in Electronic System and Technologies, Communications Books, Journals and other Communications References.

Continue Part XXXV of the Online Practice Quiz

Quiz in Digital and Data Communication Networks Question 341. A CRC generator uses which component? A. balanced modulator B. shift register C. binary adder D. multiplexer Question 342. It is communications system that uses digital pulse rather than analog signals to encode information A. Digital carrier system B. Digital baseband system C. Digital service system D. Digital broadband system Question 343. In FDM, multiple signals A. transmit at different times B. share a common bandwidth C. use multiple channels D. modulate one another Question 344. Full duplex operation A. requires two pair of cables B. can transfer data in both directions at once C. requires modems at both ends of the circuit D. All of these Question 345. Function of data link protocol that coordinates hop-to-hop data delivery where a hop maybe a computer, a network controller or a network-connecting device such as router. A. Flow control B. Error control C. Line discipline D. Selection Question 346. It is a digital interface that provides the physical connection to the digital carrier network A. Modem B. Codec C. Muldem D. DSU/CSU Question 347. To separate channels in an FDM receiver, it is necessary to use A. AND gates B. bandpass filters C. differentiation D. integration Question 348. Statistical TDMs are also called A. Intelligent TDMs B. Asynchronous TDM C. Stat mux D. Any of these Question 349. It consist essentially of sampling analog information signals and then converting those samples into discreet pulses of transporting the pulses from the source to destination over a physical transmission medium A. Pulse modulation B. Amplitude modulation C. Frequency modulation D. Digital modulation Question 350. Quantizing noise occurs in A. time-division multiplex B. frequency-division multiplex C. pulse-code modulation D. pulse-width modulation

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