Karteikarten
Wireless Modes and Protocols 1102-M2
Karten in diesem Stapel (23)
- 1802.11a5GHz
54Mbps
WiFi 2 - 2802.11b2.4GHZ
11Mbps
up to 150ft - 3802.11g2.4GHZ
54Mbps
upgrade to 802.11b, backwards compatible
same speeds as 802.11a
WiFi 3 - 4802.11n2.4 & 5GHz
288Mbps (single channel)
600Mbps (bonded channels)
wifi 4
upgrade for 802.11g, b, and a
uses MIMO - 5802.11ac5GHz
1.7Gbps
wifi 5
upgrade for 802.11n
uses MU-MIMO - 6802.11ax2.4, 5 & 6GHz
2Gbps up to 10Gbps
wifi 6
uses MU-MIMO - 72.4 GHz channels11 channels
3 non-overlapping
1, 6, 11 - 85GHz45 channels
23 non-overlapping - 9ad-hoc modechain devices together instead of going through a centralized device like an AP
useful to share resources when no WAP is available - 10infrastructure moderequires utilizing one or more APs to manage everything on the WLAN
- 11SSIDService Set Identifier
name of the wireless access point - 12MIMOMultiple-In Multiple-Out
uses two or more antennas, connects to multiple devices
used in 802.11n, 3G, and 4G - 13MU-MIMOMulti-User, Multiple-In Multiple-Out
makes the wait faster by dividing "the line" by multiple connection links
used in 802.11n, 3G, and 4G - 14WEPWired Equivalent Privacy
uses RC4 security
deprecated
occasionally on legacy systems - 15WPAWi-Fi Protected Access
uses TKIP (128-bit keys) security
replaced WEP
802.11i - 16WPA2Wi-Fi Protected Access Version 2
uses AES-CCMP (256-bit keys) security
65% of wifi users
4-way handshake
802.11i - 17WPA3Wi-Fi Protected Access Version 3
uses AES-GCMP (256-bit keys) security
"dragonfly handshake" - 4-way, PFS
uses SAE
wifi 6, 802.11ax, 6GHz - 18TKIPTemporal Key Integrity Protocol
the base on which WPA was built
uses RC4 cipher - 19AESAdvanced Encryption Standard
block cipher - 128, 192, 256-bit keys
invented by the military
up to 256-bit key encryption
IoT devices use AES - 20RADIUSRemote Authentication Dial-in User Service
AAA server
enterprise wifi
uses UDP
encrypts only the password in the access-request packet - 21TACACS+Terminal Access Controller Access-Control System+
AAA server
Cisco proprietary
uses TCP
encrypts all of the data - 22Z-WaveIoT devices
908.42 MHz
wireless mesh network
up to 232 devices
4 hop limit
AES-128 mandatory for connecting devices - 23Zigbeeopen-source
2.4 GHz
wireless mesh network
up to 65,000 nodes
likely will have a master coordinator node
Informationen
- Beschreibung
- wifi 802.11 standards a/b/g/n/ac/ax, protocols, channels, relevant terms
- Erstellt von
- Lyndsay Badding
- Aufrufe
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