1. Which of the following are the applications of Bluetooth technology?
Answer
Correct Answer:
Wireless communication between mobile phone and hands free headset.
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2. Which of the following is true about Bluetooth communication?
Answer
Correct Answer:
The devices participating in the communication are not required to be in the line of sight though the quasi optical path should be viable.
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3. Which of the following is not correct regarding Bluetooth technology?
Answer
Correct Answer:
It cannot handle the simultaneous transmission of data and voice.
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4. In the Hands-Free Profile (HFP), the connectivity to the source of voice data is provided by the _________.
Answer
Correct Answer:
Audio Gateway (AG) device
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5. State whether the below given statement is true or false. Bluetooth offers a higher throughput and speed as compared to Infrared technology.
Answer
Correct Answer:
False
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6. Which of the following kinds of information are transmitted on demand by a Bluetooth device in discoverable mode to another Bluetooth device?
Answer
Correct Answer:
Device class
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7. In ___________________, numeric comparison is performed. A six-digit code is displayed on both the devices. The code is matched by the user and after successful comparison, the user can confirm pairing.
Answer
Correct Answer:
secure simple pairing (SSP)
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8. Which of the following is/are not true about pairing between Bluetooth devices?
Answer
Correct Answer:
All types of Bluetooth devices can be paired.
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9. The effective range for Class 3 Bluetooth devices is
Answer
Correct Answer:
1 meter
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10. Which of the given diagrams represents a scatternet operation used in Bluetooth?
Answer
Correct Answer:
iii
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11. When the address of a recipient is clear, a Bluetooth device sends a/an ______ message to another Bluetooth device to initialize the connection.
Answer
Correct Answer:
page
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12. Bluejacking is the process of __________________.
Answer
Correct Answer:
sending unsolicited messages without any phone number and name using Bluetooth technology
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13. Which of the following is true about piconet in Bluetooth communication?
Answer
Correct Answer:
Maximum seven devices can communicate with one master device and all devices share master's clock.
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14. Which of the following processes prevents eavesdropping on information by ensuring that data is accessed and viewed only by authorized devices?
Answer
Correct Answer:
Confidentiality
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15. The working of Bluetooth is based upon the creation of _____________.
Answer
Correct Answer:
Personal Area Network (PAN)
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16. The Bluetooth devices which fall under Class 2 have maximum output power of _________.
Answer
Correct Answer:
4 dBm
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