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MEMS

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

Answer()


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

Answer()


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

Answer()

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

Answer()

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


Answer()


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

Answer()

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

Answer()

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

Answer()


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

Answer()

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

Answer()


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