Wireless | MCQs

Explanation

Wi-Fi stands for Wireless fidelity.

The minimum length of Wi-Fi password = 8.

The maximum length of Wi-Fi password = 63.

Explanation

Transmission media refers to the physical path (like cables or wireless signals) used to transfer data between devices.

It enables communication in computer networks, such as LANs and the Internet.

Explanation

Bluetooth is a short-range radio communication technology used for exchanging data over short distances (typically up to 10 meters).

It enables wireless connection between devices like phones, headsets, and computers.

Explanation

FM, AM radios, televisions, and cordless phones commonly use radio waves for wireless communication and signal transmission.

Radio waves can travel long distances and are ideal for broadcasting audio and video signals.

Explanation

Agencies use secure wireless systems to avoid tracking or interception.

It helps protect the location and identity of agents during communication.

Explanation

Bluetooth is a Personal Area Network (PAN) technology designed for short-range communication.

It typically connects devices like phones, laptops, and wireless headsets within about 10 meters.

Explanation

LiFi (Light Fidelity) uses light waves, typically from LED lights, to transmit data at high speeds.

It offers faster data transfer rates compared to traditional Wi-Fi due to the high frequency of light waves.

Explanation

Bluetooth is a short-range wireless technology.

It allows devices to communicate with each other over short distances, usually up to 10 meters.

It uses low-power radio waves to transmit data and voice between devices.

Bluetooth was created by Ericsson, a telecom company, in 1994.

Explanation

It works through radio waves

Wi fi speed in USA is very fast

Explanation

Long term evaluation will determine the future growth of the companies.