WorksheetsATE6123 Fundamental of Wireless Comm - Topic 4
Total questions: 10
Worksheet time: 5mins
Which IEEE standard is commonly known as Wi-Fi and is still widely used today?
IEEE 802.15
IEEE 802.3
IEEE 802.11
IEEE 802.16
Which access method is used at the Data Link Layer in WLANs?
CSMA/CD
TDMA
FDMA
CSMA/CA
What does an Access Point (AP) do in a wireless LAN?
Acts as a wireless NIC
Modulates data signals
Bridges wireless traffic to a wired LAN
Encrypts WLAN data
What is the frequency band used by IEEE 802.11b?
5 GHz
2.4 GHz
60 GHz
900 MHz
Which of the following best describes the Extended Service Set (ESS) in WLAN architecture?
A single access point and several clients
A peer-to-peer network without an access point
Multiple BSSs connected through a distribution system
A wired Ethernet LAN
What is the purpose of the SSID in a wireless network?
To determine the data rate
To act as a MAC address
To identify the wireless network
To provide a security key
Which of the following techniques is used in passive scanning for wireless clients?
Broadcasting probe frames
Sending RTS/CTS messages
Receiving beacon frames from APs
Hopping across different frequencies
What is a rogue access point (AP)?
An access point with outdated firmware
A legitimate AP configured incorrectly
An unauthorized AP connected to the network
An AP used only in public areas
What does MAC address filtering do in WLAN security?
Encrypts data transmissions
Filters content by IP address
Grants or denies access based on device hardware address
Hides the SSID from all users
Which of the following authentication methods does not require a password?
Shared Key Authentication
WPA2 Personal
WPA3 Enterprise
Open System Authentication
