
Wireless Communication Fundamentals
Authored by manjunatha R
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. What is the primary purpose of modulation in wireless communication? a) To increase signal strength b) To reduce interference c) To encode data onto a carrier signal d) To convert digital data into analog signals
g) To separate different channels of communication
c) To encode data onto a carrier signal
e) To amplify the frequency
f) To transmit data over longer distances
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Which of the following is NOT a type of wireless communication technology? a) Wi-Fi b) Bluetooth c) Fiber Optic d) Zigbee
c) Fiber Optic
Ethernet
Satellite
NFC
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. What frequency band is primarily used for Wi-Fi communication in the 802.11 standards? a) 2.4 GHz b) 1 GHz c) 900 MHz d) 5 GHz
a) 2.4 GHz
2.1 GHz
3.6 GHz
4.9 GHz
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. What does the term "handover" mean in the context of cellular networks? a) The process of encrypting wireless data b) The process of switching between different frequencies c) The process of transferring an ongoing call from one cell tower to another d) The process of connecting a device to a Wi-Fi network
The process of initiating a new call
The process of measuring signal strength
c) The process of transferring an ongoing call from one cell tower to another
The process of updating network software
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. In wireless communication, what does the acronym "LOS" stand for? a) Line of Sight b) Loss of Signal c) Local Operating System d) Link Overhead Signal
Line of Service
Local Operating Standard
Loss of Signal Strength
a) Line of Sight
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. What is the primary advantage of using multiple-input, multiple-output (MIMO) technology in wireless communication? a) Increased range b) Higher data rates c) Reduced power consumption d) Simplified network management
d) Lower latency in connections
a) Improved signal clarity
b) Higher data rates
c) Enhanced security features
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. Which modulation technique is commonly used in Wi-Fi networks? a) Amplitude Modulation (AM) b) Frequency Modulation (FM) c) Quadrature Amplitude Modulation (QAM) d) Phase Shift Keying (PSK)
c) Quadrature Amplitude Modulation (QAM)
Amplitude Shift Keying (ASK)
Frequency Shift Keying (FSK)
Pulse Width Modulation (PWM)
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