Computer Networks, unit: Wireless and Mobile Networks. Core concepts, terminology, and worked-example cues a college student meets for this unit, building on prior units without repeating them. Front: a term, concept, or short problem cue. Back: the definition, explanation, or answer.
19 cards · basic cards · AI-written, checked twice. Edit anything.
- What is a wireless network?
- A network that connects devices without physical cables, using radio waves
- What is Wi-Fi?
- A family of wireless networking standards based on the IEEE 802.11 specifications
- What is an access point?
- A device that allows wireless devices to connect to a wired network
- What is SSID (Service Set Identifier)?
- The name broadcast by a wireless network for devices to identify and connect to it
- What is WPA/WPA2/WPA3?
- Security protocols used to protect wireless networks from unauthorized access
- What is a cellular network?
- A wireless network made of overlapping coverage areas (cells), each served by a base station
- What does 4G/5G refer to in mobile networking?
- Successive generations of cellular network technology offering increasing speed and capability
- What is Bluetooth?
- A short-range wireless technology for connecting devices like headphones or keyboards
- What is roaming, in cellular or Wi-Fi networks?
- A device moving between coverage areas while maintaining connectivity
- What is a mesh network?
- A network topology where devices relay data for each other, extending coverage without a single central point
- What is signal interference in wireless networks often caused by?
- Overlapping frequencies from other devices or physical obstructions
- What is a hotspot?
- A location providing wireless internet access, often through a mobile device or dedicated access point
- What is NFC (Near Field Communication)?
- A very short-range wireless technology used for contactless payments and data exchange
- What is the main tradeoff of wireless networks compared to wired networks?
- Greater convenience and mobility, at the cost of potentially lower speed, reliability, and security
- What is channel selection important for in Wi-Fi networks?
- Reducing interference between nearby wireless networks sharing overlapping frequencies
FlashKeepers