Quiz2Key

Quiz2Key - _A_5) Synchronous transmission is more efficient...

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CIT230 Fall 2007 Quiz #2  Name:________________________________  Mark the best answer in the space to the left of the question’s number.     _B_1) Serial communication is speed and distance limited due to timing skew between the  multiple transmission lines.   A) True  B) False    _D_2) A PSK modulation scheme encodes 4 bits per event (baud).  How many points will there  be on this scheme’s Constellation chart?   A) 2  B) 4  C) 8  D) 16    _B_3) Using the scheme from #2 with a baud rate of 2000 baud per second, what is the data  rate, in bits per second?   A) 4000  B) 8000  C) 16000 D) 32000    _A_4) According to Shannon’s Law, Signal to Noise Ratio is more important than Bandwidth  when calculating max data rate of a channel.   A) True  B) False 
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Unformatted text preview: _A_5) Synchronous transmission is more efficient than Asynchronous transmission. A) True B) False _A_6) FDM allocates a portion of the channel 100% of the time to transmitting nodes. A) True B) False _B_7) Which sort of Packet Switching provides Error Correction and Flow Control within the network itself? A) Connectionless B) Connection-Oriented _A_8) Which sort of virtual circuit is cleared when the transmission which uses it is finished? A) SVC B) PVC _C_9) To generate a 32 bit CRC, what size should the prime number used in the calculation be? A) 31 bits B) 32 bits C) 33 bits D) 34 bits _A_10) Amplifiers are used to extend transmission ranges for analog communication systems. A) True B) False...
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