MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

COMPUTER NETWORKING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How far can Wi-fi reach?
A
Around 50 meters
B
Around 70 meters
C
Around 20 meters
D
Around 100 meters
Explanation: 

Detailed explanation-1: -Wi-Fi signals will usually reach about 150 feet or over 45 meters for a 2.4Ghz frequency. Using a 5Ghz frequency, you will get about 50 feet or about 15 meters of reach.

Detailed explanation-2: -If using a cable isn’t feasible, outdoor wireless access is the way forward. Wireless signals can typically transmit up to 1000 feet, provided their path is unobstructed. However, windows, walls and doors are often between your router and you. You may need to help the signal with some tech.

Detailed explanation-3: -Without taking other external factors or major obstacles into consideration, a lot of standard WiFi routers operating on the 2.4GHz frequency can reach up to 150 feet (46 m) indoors and 300 feet (92 m) outdoors. The 2.4 GHz band will meet the needs of large retail stores and multi-level establishments, for example.

Detailed explanation-4: -Boost Signal Strength Alternatively, you can use a range extender which receives an incoming Wi-Fi signal, strengthens it, then sends it out again. Place this device as close to halfway between your router and your desired signal destination as you can to reduce degradation and interference.

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