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WorksheetsWLAN gast
Total questions: 20
Worksheet time: 15mins
What does WLAN stand for?
Wide Local Area Network
Wireless Local Area Network
Wired Local Area Network
Wide Light Area Network
Which IEEE standard is commonly associated with Wi-Fi?
802.15
802.3
802.11
802.1X
What frequency band does 802.11b/g operate in?
900 MHz
2.4 GHz
5 GHz
60 GHz
What is the maximum data rate of 802.11a?
11 Mbps
54 Mbps
100 Mbps
300 Mbps
Which organization is responsible for the Wi-Fi certification program?
IEEE
Wi-Fi Alliance
FCC
ITU
Explain the main advantage of using wireless networks.
Cost
Security
Mobility
Speed
Why is it important to have security protocols in WLAN?
To increase speed
To prevent unauthorized access and protect data
To reduce cost
To enhance mobility
What is the role of an access point in a WLAN?
To provide internet access
To connect wireless devices to the wired network
To increase network speed
To monitor network traffic
How does 802.11n improve over 802.11g?
It uses a different frequency band
It offers higher data rates and better range using MIMO technology
It is cheaper
It has better security
What is the significance of the ISM band for WLAN?
It offers higher speed
It is more secure
It allows license-free operation for wireless devices
It reduces interference
Describe one use case for WLAN in a business environment.
Providing internet access to employees and visitors without the need for extensive cabling
For playing online games
For personal home use
For connecting printers
What would you check first if a WLAN device cannot connect to the network?
How can network administrators enhance WLAN security?
Why might a company choose to use 5 GHz over 2.4 GHz for their WLAN?
The 5 GHz band is less crowded and offers more channels, reducing interference
The 5 GHz band is cheaper
The 5 GHz band is slower
The 5 GHz band is more popular
What is a potential drawback of using the 5 GHz band in WLAN?
Shorter range compared to the 2.4 GHz band
Higher cost
More interference
Lower speed
What is the function of the MAC layer in 802.11 networks?
It controls how data is transmitted and received over the wireless medium
It provides internet access
It monitors network traffic
It enhances security
Which 802.11 standard introduced OFDM modulation?
802.11b
802.11g
802.11a
802.11n
What is the primary function of a wireless router?
To provide Wi-Fi certification
To route data between the wireless network and the internet
To increase network speed
To monitor network traffic
Why is signal interference a concern in WLAN?
It can disrupt communication and reduce network performance
It increases cost
It enhances security
It reduces mobility
What is WPA2, and why is it important?
Wi-Fi Protected Access 2; it provides strong security for wireless networks
Wireless Protected Access; it increases speed
Wireless Protocol Access; it is cheaper
Wi-Fi Protocol Access; it reduces interference
