Answer:
In the given question first, second, and the fourth line is correct.
Explanation:
To identify any device on a network the IMEI number is used, It is a 15 digit number, which defines the uniqueness of your devices. It is also known as a social security number. It is not used for Wi-Fi users, and the other three options were correct, which can be described as follows:
- It is a device, that manages the network and provides connectivity.
- In the hardware device, each device has a unique IMEI number.
- This number also describes the Sim cards, that's why all the three options were correct.
