1. ________ Wireless operates services are based on a Wi-Fi Positioning System (WPS).
a) Skydrive
b) Skyhook
c) SkyLook
d) None of the mentioned

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2. Point out the wrong statement:
a) MEMS stands for microelectromechanical systems
b) MEMS as a class can be between 1000 and 100000 micrometers in size
c) Several MEMS are packaged in smartphones
d) All of the mentioned

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3. Which of the following system is constantly polling locations to update them and recalibrating data points to improve accuracy over time ?
a) WPS
b) GPS
c) XPS
d) All of the mentioned

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4. Which of the following has a Java API that works with the Skyhook network ?
a) Looki
b) Look
c) Loki
d) All of the mentioned

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5. Point out the correct statement:
a) MEMS is a class of very small sensor or actuator devices where small mechanical systems are driven by electricity to indicate a position
b) The incorporation of low-cost geo-sensors in the form of GPS chips into mobile devices opens the mobile user to a whole range of services based on the client’s location
C) The iPhone uses the proximity sensor to turn the screen off when a user puts the phone to his face
d) All of the mentioned


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6. Which of the following service is example of push technology ?
a) Automated software updates
b) Comet
c) HTTP streaming
d) All of the mentioned

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7. The IRC protocol and the XMPP IM and VoIP protocol are examples of ______ push technologies.
a) P2P
b) C2C
c) B2B
d) None of the mentioned

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8. Which of the following transport protocol combined with XMPP can be used for push service ?
a) BOSH
b) UOSH
c) MOSH
d) All of the mentioned

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9. In the parlance of system design, the active transfer process is referred to as “push” and server is called _______
a) CDN
b) MDA
c) MDB
d) None of the mentioned

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10. Which of the following push technology is similar to SMTP ?
a) Push-IMAP
b) Pull-IMAP
c) Push-POP3
d) All of the mentioned

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