Wireless Networks MCQs

Topic-wise practice questions for Computer Networks & Cloud Computing. Test your knowledge, check solutions on demand, and pace your preparation.

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Q1medium
A user is in a crowded office where many Bluetooth devices are active. How does Bluetooth prevent interference with other nearby devices?
Q2medium
Which wireless technology uses Spread Spectrum and is designed for very low power consumption?
Q3medium
Why is CSMA/CA (Collision Avoidance) used in wireless networks instead of CSMA/CD (Collision Detection)?
Q4easy
What is the main security advantage of WPA3 over WPA2?
Q5easy
What is the main difference between Ad-Hoc and Infrastructure mode in Wi-Fi?
Q6medium
A network admin is analyzing the Wi-Fi spectrum. Based on the 802.11 standards, which frequency band provides the fastest theoretical data rates but the lowest range?
Q7easy
Which of the following is a limitation of Infrared (IR) wireless communication?
Q8easy
A 5G network uses Massive MIMO. What does "MIMO" stand for and what does it do?
Q9easy
What is a Hotspot in wireless networking?
Q10easy
What does the RTS/CTS (Request to Send / Clear to Send) mechanism solve?