Question

please answer the questions
I will give you 20points​

Answer 1

pstn:-public switched telephone network

dsl:-digital subscriber line

Hsdpa:-high speed downlink packet access

wi max:-worldwide interoperability for microwave access

wap:-wireless application protocol

p2p:-peer to peer lending

practice of lending money to individuals or business

modem :- modulation and demodulation

device to convert data bw transmission media.

different types of networks

1.lan:-local area network

2.wan:-wide area network

3.man:-metropolitan area network

4:-pan:-personal area network

5:-ban:-body area network

Answer 2

Explanation:

public switched telephone network