Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 205
Q3201:
What is the major difference between wired and wireless LANs in terms of connection medium?
A. Wireless LANs use radio waves, while wired LANs use cables
B. Both use radio waves
C. Both use cables
D. Both use fiber optics
Correct Answer:
A
Chapter: 205
Q3202:
Which of the following is true about Wireless LANs compared to Wired LANs?
A. Wireless LANs have a higher mobility but can have lower security
B. Wireless LANs are more expensive than wired LANs
C. Wired LANs offer better mobility
D. Wired LANs have more devices connected at once
Correct Answer:
A
Chapter: 205
Q3203:
Which of the following is a typical feature of Wired LANs?
A. Fixed connections between devices
B. High mobility
C. Ease of installation
D. Lower security
Correct Answer:
A
Chapter: 205
Q3204:
Fill in the blank: A wired LAN typically requires _______ for connecting devices.
A. Physical cables
B. Radio signals
C. Wi-Fi routers
D. Power lines
Correct Answer:
A
Chapter: 205
Q3205:
What is one of the key factors for wireless LAN success?
A. High mobility
B. High speed of data transfer
C. High security
D. Fewer devices connected
Correct Answer:
A
Chapter: 205
Q3206:
In a wireless LAN, the medium used for data transmission is _______.
A. Radio waves
B. Optical fibers
C. Power lines
D. Copper cables
Correct Answer:
A
Chapter: 205
Q3207:
What is a significant challenge for Wireless LANs compared to wired LANs?
A. Lower security
B. Fewer devices connected
C. Ease of setup
D. Lower cost
Correct Answer:
A
Chapter: 205
Q3208:
Which of the following environments can a Wireless LAN be used in without physical cables?
A. Office buildings and public areas
B. Hospitals and schools only
C. Private homes only
D. Only outdoor environments
Correct Answer:
A
Chapter: 205
Q3209:
Fill in the blank: Wireless LANs are especially popular on _______ due to their flexibility.
A. college campuses
B. remote areas
C. hospitals
D. factories
Correct Answer:
A
Chapter: 205
Q3210:
Which of the following is a characteristic of Wired LANs?
A. Fixed and reliable connections between devices
B. Low installation cost
C. Support for high mobility
D. Use of radio waves
Correct Answer:
A
Chapter: 205
Q3211:
Which architecture does Wireless LAN provide over traditional wired LAN?
A. More mobility and flexibility
B. Lower data transfer rates
C. Lower security
D. Higher cost
Correct Answer:
A
Chapter: 205
Q3212:
Fill in the blank: Wireless LANs are used in public areas to provide _______ access.
A. Internet
B. Private networks
C. Cloud storage
D. Corporate security
Correct Answer:
A
Chapter: 205
Q3213:
What is one major reason businesses choose to use Wireless LANs?
A. Flexibility in moving between different locations
B. Speed of data transfer
C. Cost savings
D. Better security
Correct Answer:
A
Chapter: 205
Q3214:
Which of the following is an advantage of Wireless LANs?
A. Device mobility
B. Dependable data rates
C. Low cost
D. Fixed installation
Correct Answer:
A
Chapter: 205
Q3215:
In terms of data transmission medium, wireless LANs rely on _______.
A. Radio frequency signals
B. Optical cables
C. Fiber optics
D. Copper cables
Correct Answer:
A
Chapter: 205
Q3216:
What is an important factor when comparing wired and wireless LANs for connecting devices in public places?
A. Wireless LANs are more flexible and convenient
B. Wired LANs are faster
C. Wireless LANs are more secure
D. Wired LANs are cheaper
Correct Answer:
A
Chapter: 205
Q3217:
Which of the following describes an isolated LAN?
A. A LAN that does not connect to any other network
B. A LAN with multiple devices connected
C. A LAN that only uses wireless technology
D. A LAN with many remote devices connected
Correct Answer:
A
Chapter: 205
Q3218:
What is a major benefit of using Wireless LANs in public areas like cafes and airports?
A. Flexibility of connecting devices without cables
B. Better network security
C. Lower power consumption
D. Smaller size of equipment
Correct Answer:
A
Chapter: 206
Q3219:
Which of the following is a common problem in wireless LANs but not in wired LANs?
A. Attenuation
B. Latency
C. High security
D. Low signal strength
Correct Answer:
A
Chapter: 206
Q3220:
Fill in the blank: Wireless LANs are more affected by _______ than wired LANs.
A. Attenuation
B. Latency
C. Fixed connections
D. Low data rates
Correct Answer:
A