Mobile DevicesCâu 50 / 100
A user wants to sync a wireless headset to a phone. Which technology is used?
a.NFC only
b.Bluetooth pairing
c.Ethernet
d.HDMI
Giải thích
Bluetooth is used to pair and connect wireless audio devices to phones. NFC may initiate pairing on some devices but the audio link runs over Bluetooth; Ethernet and HDMI are wired.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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