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Which of the following describes how Sara, an attacker,…

Which of the following describes how Sara, an attacker, can send unwanted advertisements to a mobile
device?

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A.
Man-in-the-middle

B.
Bluejacking

C.
Bluesnarfing

D.
Packet sniffing

Explanation:
Bluejacking is the sending of unsolicited messages over Bluetooth to Bluetooth-enabled devices such as mobile
phones, PDAs or laptop computers, sending a vCard which typically contains a message in the name field (i.e.,
for bluedating or bluechat) to another Bluetooth-enabled device via the OBEX protocol.
Bluetooth has a very limited range, usually around 10 metres (32.8 ft) on mobile phones, but laptops can reach
up to 100 metres (328 ft) with powerful (Class 1) transmitters.
Bluejacking is usually harmless, but because bluejacked people generally don’t know what has happened, they
may think that their phone is malfunctioning. Usually, a bluejacker will only send a text message, but with
modern phones it’s possible to send images or sounds as well. Bluejacking has been used in guerrilla
marketing campaigns to promote advergames.

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