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A network formed by devices lying within a range of about 10 metres, such as a phone paired to a laptop, is a:
ALAN
BPAN
CMAN
DWAN
Answer & Solution
Correct answer: B. PAN
1. Networks are categorised by the geographical area they cover.
2. A Personal Area Network connects a few personal devices such as laptops, phones and printers.
3. All these devices lie within an approximate range of 10 metres.
4. A LAN reaches up to about 1 km, a MAN 30 to 40 km, and a WAN spans countries.
5. A phone joined to a laptop by USB is a wired PAN; two phones on Bluetooth form a wireless PAN.
_Source: NCERT Computer Science Class 12, Ch 10 'Computer Networks', S10.3.1 Personal Area Network (PAN)_
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