practiceSX1 - Compen/EE 362 Practice Exam 1 Solution Spring...

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Compen/EE 362 Practice Exam 1 Solution Spring 2009 Problem 1 For each of the following statements choose the one best answer. Solution in bold. Compared to a pulse p(t) versus t, p(3t) versus t is a) wider in time, narrower in bandwidth b) narrower in time, wider in bandwidth c). wider in time, wider in bandwidth d) smaller in peak amplitude. 2. Which of the following is not one of the advantages of switching? a) It ensures any sending is received by all others. This is what is done in broadcast networks with no switching. b) it can increase total shared capacity. c) It allows alternate routes in case of a link failure. d) a wide area network would not be practical without it. 3. The Internet Protocol uses a) virtual circuits. b) fixed length packets. c) analog to digital conversion d) datagram switching. 4. Intermodulation distortion of signals sharing a common cable arises because of: a). nonlinear response b). random noise c). non-flat linear filter response d). Attenuation 5.If the bandwidth is doubled with no change in the transmitted average power, the ratio of received signal power to receiver thermal noise power a) remains the same b) increases by 3 dB.
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This note was uploaded on 09/23/2009 for the course CMPEN 362 taught by Professor Johnmetzner during the Spring '09 term at Penn State.

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practiceSX1 - Compen/EE 362 Practice Exam 1 Solution Spring...

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