Lan Questions: MCQ Quiz!
- 1.
What is the access point (AP) in a wireless LAN?
- A.
A device that allows wireless devices to connect to a wired network
- B.
Wireless devices itself
- C.
Both device that allows wireless devices to connect to a wired network and wireless devices itself
- D.
All the nodes in the network
Correct Answer
A. A device that allows wireless devices to connect to a wired networkExplanation
Access point in a wireless network is any device that will allow the wireless devices to a wired network. A router is the best example of an Access Point.Rate this question:
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- 2.
In wireless ad-hoc network _________
- A.
The access point is not required
- B.
access point is a must
- C.
Nodes are not required
- D.
All nodes are access points
Correct Answer
A. The access point is not requiredExplanation
An ad-hoc wireless network is a decentralized kind of a wireless network. An access point is usually a central device, and it would go against the rules of the ad-hoc network to use one. Hence it is not required.Rate this question:
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- 3.
The infrastructure components of a wireless network are generally interconnected by:
- A.
RF Links
- B.
Clients
- C.
Switches
Correct Answer
C. SwitchesExplanation
The infrastructure components of a wireless network, such as access points and routers, are typically interconnected by switches. Switches are networking devices that allow multiple devices to connect and communicate with each other within a local area network (LAN). They provide a central point for all the devices to exchange data and manage the flow of information. In the context of a wireless network, switches play a crucial role in connecting the wired components, like access points, to the rest of the network infrastructure. This enables the wireless network to function efficiently and ensures seamless communication between the various components.Rate this question:
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- 4.
A WLAN access point covers between 802.___ & 802.___ frames.
- A.
802.1, 802.3
- B.
802.11, 802.3
- C.
802.11ac, 802.11n
- D.
802.11i,802.3
Correct Answer
B. 802.11, 802.3Explanation
A WLAN access point covers between 802.11 and 802.3 frames.Rate this question:
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- 5.
Which multiple access technique is used by IEEE 802.11 standard for wireless LAN?
- A.
CDMA
- B.
CSMA/CA
- C.
ALOHA
- D.
CSMA/CD
Correct Answer
B. CSMA/CAExplanation
SMA/CA stands for Carrier-sense multiple access/collision avoidance. It is a multiple-access protocol used by IEEE 802.11 standard for wireless LAN. It’s based on the principle of collision avoidance by using different algorithms to avoid collisions between channels.Rate this question:
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- 6.
In wireless distribution system __________
- A.
Multiple access point are inter-connected with each other
- B.
There is no access point
- C.
Only one access point exists
- D.
Access points are not required
Correct Answer
A. Multiple access point are inter-connected with each otherExplanation
A Wireless Distribution System allows the connection of multiple access points together. It is used to expand a wireless network to a larger network.Rate this question:
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- 7.
In a wireless network, an extended service set is a set of ________
- A.
All stations
- B.
Connected basic service sets
- C.
all access points
- D.
Connected access points
Correct Answer
B. Connected basic service setsExplanation
The extended service set is a part of the IEEE 802.11 WLAN architecture and is used to expand the range of the basic service set by allowing connection of multiple basic service sets.Rate this question:
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- 8.
Mostly OFDM is not used in wireless LAN.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
OFDM (Orthogonal Frequency Division Multiplexing) is actually widely used in wireless LAN (Local Area Network) systems. It is a modulation technique that divides the available frequency spectrum into multiple subcarriers, allowing for efficient data transmission and increased resistance to interference. OFDM is used in various wireless LAN standards such as Wi-Fi (802.11a/g/n/ac/ax) to provide high data rates and improved performance in crowded environments. Therefore, the given statement is incorrect, and the correct answer is False.Rate this question:
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- 9.
What is Wired Equivalent Privacy (WEP)?
- A.
Security algorithm for ethernet
- B.
Security algorithm for wireless networks
- C.
Security algorithm for usb communication
- D.
security algorithm for emails
Correct Answer
B. Security algorithm for wireless networksExplanation
WEP stands for Wired Equivalent Privacy, which is a security algorithm specifically designed for wireless networks. It was developed to provide a level of security for wireless communications that is comparable to that of a wired network. WEP encrypts data transmitted over a wireless network to protect it from unauthorized access or interception. However, it is important to note that WEP is considered to be weak and vulnerable to various security attacks, and it has been largely replaced by more secure encryption protocols such as WPA and WPA2.Rate this question:
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Mar 21, 2023Quiz Edited by
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Feb 11, 2020Quiz Created by
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