Wireless | MCQs

Explanation

FDM stands for Frequency Division Multiplexing.

Explanation

Bluetooth is a high-speed, low-power microwave wireless link technology, designed to connect phones, laptops, PDAs and other portable equipment together with little or no work by the user.

Explanation

• A network that is used for sharing data, software, and hardware among several users owning microcomputers is called LAN
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• LAN stands for local area network 
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• LAN consists of a series of computers linked together to form a network in a circumscribed location.
• The computers in a LAN connection to each other via TCP/IP ethernet or Wi-Fi.
  
  

Explanation

Class 1: transmits at 100 mW with a range of 100 meters.

Class 2: Most Bluetooth headsets and headphones transmit at 2.5 mW with a range of 10 meters.

Class 3: transmits with 1 mW at a range of fewer than 10 meters.

Explanation

In the modern-day computers, when operational, the electrical impulses travel Nearly at the speed of light.

Electrical signals can travel in a wire at about 90 percent of the speed of light. A more usual rate is 50 percent.

MUG 11-12-2022

Explanation

A local area network is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building.

Explanation

WLL stands for Wireless in Local Loop

Wireless Local Loop is a circuit line from a subscriber's phone to the local central office (LCO).

Explanation

WPA is used for the security of Wi-Fi.

Explanation

Bluetooth wireless technology is a short-range wireless technology that enables wireless data communication between digital devices, such as a computer and digital camera.