Practice Quiz in Wire and Wireless Communications System Part 14

This is the Online Practice Quiz in Wire and Wireless Communications System Part 14 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 XIV of the Online Practice Quiz

Quiz in Wire and Wireless Communications System Question 131. Synchronous multiplexed systems have the time placement of bits A. Dedicated B. Unassigned C. Random D. As required Question 132. How many unique tones are used for the 12-key dual-tone multi-frequency keypad? A. 2 B. 3 C. 7 D. 12 Question 133. In the telephone industry, BORSCHT functions are performed by A. Subscriber line interface B. Cross point matrix C. Switching network D. Connector switch Question 134. It is a node in the switching system of GSM that handles mobile intelligent network services. A. Message Center B. Gateway Mobile Switching Center C. Mobile Service Unit D. Mobile Switching Center Question 135. A node in the switching system of GSM that provides integrated voice, fax and data messaging. A. Gateway Mobile Switching Center B. Mobile Service Node C. GSM Internetworking Unit D. Message Center Question 136. NAM means A. Non Alterable Memory B. Numeric Allocation Module C. Numeric Assignment Module D. Numeric Access Module Question 137. Which of the following is a type of dc signaling? A. Loop current B. Reverse battery C. E and M D. All of these Question 138. Asynchronous data transmission requires a clock A. At the transmitter end B. At the receiver end C. At neither end D. At both ends Question 139. Pulse dialing occurs at the rate of A. 20 pulses per minute B. 10 pulses per minute C. 10 pulses per second D. 80 pulses per second Question 140. A synchronous multiplexed systems are used A. Mostly for voice transmission B. Mostly for data transmission C. To carry only speech information D. All of these

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