Wireless LAN and Wi-Fi Basics

WLAN data transmission using low-powered microwave radio signals.

WLAN transmission using frequency hopping or direct sequence modulation.

Signal transmission that jumps between frequencies within a range.

WLAN method using a wide band and CDMA for transmission.

Frequency band reserved for ISM devices, including WLAN.

WLAN transmission using infrared light.

Infrared light spreads out to cover a large area.

Infrared light focused for faster transmission.

Infrared transmission with receiver aligned to sender for the highest speed.

A device or component in an IEEE 802.11 network that sends or receives data.

A central device enabling communication between WLAN stations.

An access point connected to a wired LAN, providing 802.11 functionality. It acts as a gateway between wireless clients and the wired network.

A wireless station that connects to the BSS Master using the same SSID.

Service Set Identifier; an alphanumeric, case-sensitive identifier (2-32 characters) that identifies a BSS.

A set of interconnected BSSs that appear as one network to the logical link control layer. They use a common SSID.

Connects access points in an ESS, allowing for network expansion and roaming.

A protocol that facilitates wireless distribution systems in an extended service set.

Wireless LAN applications range from individual networks to large, campus-sized ones, and also portable networks on airplanes and trains.

Wireless LANs are more vulnerable to security threats than wired LANs due to the open nature of the communication medium and potential interference.

A set of standards defining the technology used in Wireless LAN (WLAN) communication.

A widely used Wireless LAN standard operating at 2.4 GHz with a data rate of 11 Mbps.

A WLAN standard offering 54 Mbps data rate at 2.4 GHz, combining features of earlier standards.

Central devices in WLANs that set up wireless coverage areas (hotspots) and enabling communication between wireless devices (stations)

A network that uses radio waves to connect devices without physical cables.

Protecting wireless networks from unauthorized access and data breaches.

Outdated wireless security protocol with known vulnerabilities.

Improved wireless security protocol offering better protection than WEP.

Stronger wireless security standard, highly recommended for maximum security.

Method of scrambling data to protect it from unauthorized access.

Importance of using strong, long passwords to protect wireless networks.

Gaining access to a network without permission by the network owner.

Keeping confidential data from being intercepted or read by unauthorized parties.

A method for checking data integrity that wasn't strong enough to prevent packet tampering.

A stronger method than CRC for verifying data integrity in packets.

An upgrade to WPA, implementing strong AES-based encryption (CCMP) and stricter security.

Access points (APs) advertise their network names to clients.

Hiding the access point's name to make it harder to find.

Pre-set IP addresses, usernames, and passwords on access points.

Using complex combinations of upper-case, lower-case, numbers, and special characters for network security.

A service that automatically assigns IP addresses to devices on a network.

A method that controls which devices are allowed to connect to a network based on their unique hardware addresses.

A security measure that allows only authorized wireless devices (based on their MAC addresses) to connect to a network.

Protocols that protect data transmitted over a Wi-Fi network by converting it into an unreadable format.

A security feature on a wireless access point that blocks unauthorized external access to the network.

Public Wi-Fi networks that typically lack security measures.

A verified Wi-Fi network, in contrast to a fake or unauthorized hotspot.

A firewall program installed on a computer that protects it from security threats.

Measures taken to protect a wireless network from unauthorized access and data breaches.

A wireless broadband technology for long-range data transmission.

The standard for Wi-MAX Technology

A network using radio waves to connect devices without cables.

A common type of wireless local area network (WLAN).

A central device that transmits and receives wireless signals in a WLAN.

A set of standards for wireless LAN technology.

Structure and organization of wireless local area networks.

Using low-powered microwave radio signals for WLAN data transmission.

WLAN transmission using frequency hopping or direct sequence modulation.

WLAN transmission using infrared light.

Protecting wireless networks from unauthorized access and data breaches.

Wireless LAN uses span from small networks to large-scale ones.

Sets of standards defining wireless LAN communication technology.

Multiple devices are within range of a single access point, but not each other, potentially causing communication issues.

Initial connection between a wireless station and an access point.

Transferring a wireless connection from one access point to another.

Ending a wireless connection between a station and an access point.

Verifying the identity of wireless devices.

Protecting data transmitted over the network.

Network name for a wireless LAN, up to 32 characters long.

Unique identifier for a Basic Service Set (BSS).

Independent Basic Service Set (no access point).

Wireless network using access points as central hubs for communication.

A network that uses radio waves to connect devices without physical cables.

A set of standards that defines wireless LAN communication technology.

A widely used wireless LAN standard operating at 2.4 GHz with 11 Mbps data rate.

A wireless LAN standard that offers 54 Mbps data rate at 2.4 GHz, combining features of earlier standards.

A central device enabling communication between wireless devices (stations) in a WLAN.

Wireless LANs are more vulnerable to security threats than wired LANs because of the open communication medium and potential interference.

Protection of wireless networks from unauthorized access and data breaches.

Wireless LAN applications range from individual networks to large-scale, campus-sized networks, and even portable networks on airplanes and trains.

Protecting wireless networks from unauthorized access and data breaches.

Outdated wireless security protocol with known vulnerabilities.

Improved wireless security protocol offering better protection than WEP.

Stronger wireless security standard, highly recommended for maximum security.

Method of scrambling data to protect from unauthorized access.

Gaining access to a network without permission.

Keeping private information private, keeping data from unauthorized parties.

Using strong, long passwords to protect wireless networks.

Scrambling data to control access and protect info traveling across a wireless network.

Standard that includes TKIP, and is used in WPA protocol.

Key used in WPA to dynamically generate a new 128-bit key for each packet, preventing attacks on WEP.

A data integrity check method that was not strong enough to prevent tampered packets.

A stronger algorithm than CRC used in WPA to verify data integrity in the packets.

An upgrade to WPA implementing AES-based encryption (CCMP) and stricter security measures.

Access points (APs) broadcast their network names for clients to see.

Hiding the access point's name to make it harder to identify.

Pre-configured IP addresses, usernames, and passwords that come with access points (APs).

Using complex passwords with a mixture of upper-case, lower-case, numbers, and special characters.

A service that automatically assigns IP addresses to devices on a network.

A security measure allowing only specific devices (based on their unique hardware addresses) to connect to the network.

An improved wireless security protocol offering better protection than WEP.

A security method allowing only authorized devices (based on their unique hardware addresses) to connect to a network.

Protocols that encrypt data transmitted over a Wi-Fi network, preventing unauthorized access.

A security feature on a wireless access point that blocks unauthorized external access to the network.

Public Wi-Fi networks often lacking strong security measures.

A verified Wi-Fi network, unlike a counterfeit/unauthorized one.

A firewall program on a computer that blocks unauthorized network access to it.

Measures to prevent unauthorized access and data breaches on a wireless network.

Wireless broadband technology designed for long-range data transmission, spanning miles or kilometers.

The standard for Wi-MAX technology.

A network connecting devices wirelessly using radio waves.