Wireless Types

Question 1

What are the 4 fixed wireless types?

Answer 1

Wifi, cellular, microwave and satellite

Question 2

What is tethering?

Answer 2

Tethering or phone-as-modem is the sharing of a mobile device’s Internet connection with other connected computers. Connection of a mobile device with other devices can be done over wireless LAN, over Bluetooth or by physical connection using a cable, for example through USB

Question 3

What is RFID?

Answer 3

Radio Frequency Identification (RFID) is a technology that uses radio waves to passively identify a tagged object. It is used in several commercial and industrial applications, from tracking items along a supply chain to keeping track of items checked out of a library. (Employee keycards, book barcodes etc.)

Question 4

What is NFC?

Answer 4

Near-field communication is a set of communication protocols that enables communication between two electronic devices over a distance of 4 cm or less. NFC offers a low-speed connection through a simple setup that can be used to bootstrap more capable wireless connections.

Question 5

What is IR?

Answer 5

Infrared wireless refers to the process of sending data and communicating wirelessly on top of an infrared connection. It is the use of infrared transmission technology in devices and equipments for sending data to other devices and/or controlling them wirelessly by human operators.