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1996 - 2016
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Kirt Blattenberger,
 BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

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Emerging Wireless Technologies and the Future Mobile Internet
RF Cafe Quiz #39

All RF Cafe quizzes would make perfect fodder for employment interviews for technicians or engineers - particularly those who are fresh out of school or are relatively new to the work world. Come to think of it, they would make equally excellent study material for the same persons who are going to be interviewed for a job.

Click here for the complete list of RF Cafe Quizzes.

Note: Many answers contain passages quoted in whole or in part from the text.



RF Cafe Featured Book - Emerging Wireless Technologies and the Future Mobile InternetThis quiz is based on the information presented in Emerging Wireless Technologies and the Future Mobile Internet, by Dipankar Raychaudhuri & Mario Gerla. Published by Cambridge University Press. Note: Some of these books are available as prizes in the monthly RF Cafe Giveaway.




1.  According to a NSF Wireless Mobile Planning Group report, how is the usage scenario for Individual Wireless Devices Interfacing with the Internet classified?

a)  Ad hoc Nets
b)  Mobile Computing
c)  Server Nets
d)  All the above




2.   According to a NSF Wireless Mobile Planning Group report, how is the usage scenario for Constellation of Wireless Devices classified?

a)  Ad hoc Nets
b)  Mobile Computing
c)  Server Nets
d)  All the above




3.   According to a NSF Wireless Mobile Planning Group report, how is the usage scenario for Pervasive Systems and Sensors Networks classified?

a)  Ad hoc Nets
b)  Mobile Computing
c)  Server Nets
d)  All the above




4.  What does the IEEE 802.11 WAVE Task Group specification cover?

a)  Wired asynchronous volumetric environment communications
b)  Data exchange between high speed vehicles and roadside infrastructure
c)  Transmission exploiting the wave nature of EM propagation
d)  Integrated WiFi and Bluetooth communication




5.  What is the function of a protocol's MAC layer?

a)  Frequency spectrum control
b)  Data packet formatting
c)  Allocation of bandwidth according to subscriber fee structures
d)  Brokering of channel access between contending devices




6.  A Delay/Disruption Tolerant Network (DTN) might use what part of the network?

a)  Low earth orbit satellite (LEOS)
b)  Fixed terrestrial access point
c)  Motorcycle
d)  All the above




7.  What is the name given to a scheme that uses interface components to translate data at the boundaries of large networks?

a)  Transnet
b)  Homonet
c)  Gluenet
d)  Heteronet




8.  Which of these components might make up a Wireless Sensor Network (WSN)?

a)  Environmental sensors
b)  Proximity sendors
c)  Low power radios
d)  All the above




9.  What is a major limitation of Software Defined Radio (SDR) in cognitive radio networks?

a)  Latency
b)  Cost
c)  Availability
d)  All the above




10.  Which factor(s) is(are) unique to wireless environments versus wired environments?

a)  Environmental dependency
b)  Bit rates and error rates are time varying
c)  User random access
d)  All the above




 

Need some help? Click here for the answers and explanations.