bluetooth testing interview questions and answers (Page 4)

Below are some important Bluetooth interview questions which are asked in most MNC company interviews for beginners or professionals.
31. Is it possible to connect multiple Bluetooth hubs?
No, only one hub can be used at a time with a computer. USB or Serial devices can be added.

32. List some Technology characteristic of Bluetooth?
Omni directional,
Adaptive output power to minimize interference,
Support Synchronous & asynchronous services,
Fast Frequency Hopping to avoid interference,
Short data packets to maximize capacity during interface.

33. What is the total number of masters and slaves in a piconet?
1 Master and 7 Slaves.

34. Under what frequency range does Bluetooth work?
2.45 GHz is the frequency range.

35. What is the frequency range used for Bluetooth in Europe and United States?
2402 MHz to 2480 MHz are the frequency ranges used in USA and Europe

36. What is the frequency range used for Bluetooth in Japan?
2472 to 2497 MHz is the frequency range used for Bluetooth in Japan.

37. What is Piconet?
A collection of devices connected through Bluetooth technology in an ad hoc fashion.

38. What is a Bluetooth dongle?
A device that hangs outside of a computer, or phone to provide Bluetooth connection.

39. Why can Bluetooth equipment integrate easily in TCP/IP network?
Because Bluetooth uses wireless LAN standards IEEE for data transmission.

40. Which method is used for Data transfer?
Asynchronous Connectionless (ACL) is Data transfer method in Bluetooth.
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