#1
Which of the following wireless network standards operates in the 2.4 GHz frequency band?
802.11n
Explanation802.11n operates in the 2.4 GHz frequency band.
#2
Which wireless frequency band is commonly used by 5G networks?
28 GHz
Explanation5G networks commonly use the 28 GHz frequency band.
#3
Which wireless encryption protocol is considered the most secure among the following options?
WPA3
ExplanationWPA3 is considered the most secure wireless encryption protocol.
#4
What does the term 'Roaming' refer to in the context of wireless networks?
Moving between different access points without losing connection
ExplanationRoaming refers to moving between different access points without losing connection in wireless networks.
#5
What is the purpose of a captive portal in a wireless network?
Authenticating users before granting access
ExplanationA captive portal authenticates users before granting access in a wireless network.
#6
What is the purpose of SSID in a wireless network?
Service Set Identifier
ExplanationSSID stands for Service Set Identifier.
#7
Which security protocol provides the highest level of encryption for a Wi-Fi network?
WPA3
ExplanationWPA3 provides the highest level of encryption for Wi-Fi networks.
#8
What is the main purpose of MAC filtering in wireless network security?
Restricting access based on device MAC addresses
ExplanationMAC filtering restricts access based on device MAC addresses for security purposes.
#9
Which wireless technology is designed for short-range communication between devices, such as smartphones and smartwatches?
Bluetooth
ExplanationBluetooth is designed for short-range communication between devices.
#10
What is the primary function of a Wireless Intrusion Prevention System (WIPS)?
Preventing unauthorized access to the network
ExplanationThe primary function of a WIPS is to prevent unauthorized access to the network.
#11
What is the purpose of a wireless site survey?
To identify and optimize wireless coverage
ExplanationA wireless site survey is conducted to identify and optimize wireless coverage.
#12
What does the term 'channel bonding' refer to in wireless networks?
Combining multiple channels for increased bandwidth
ExplanationChannel bonding refers to combining multiple channels for increased bandwidth.
#13
In a wireless mesh network, what is the role of a mesh router?
Distributing data among nodes
ExplanationA mesh router distributes data among nodes in a wireless mesh network.
#14
What is the purpose of a spectrum analyzer in wireless network troubleshooting?
Identifying interference on specific frequencies
ExplanationA spectrum analyzer is used to identify interference on specific frequencies during troubleshooting.
#15
What is the significance of MU-MIMO (Multi-User, Multiple Input, Multiple Output) in wireless networks?
Allowing multiple devices to communicate simultaneously
ExplanationMU-MIMO allows multiple devices to communicate simultaneously in wireless networks.