A+ Wireless Protocol Word Scramble
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| Question | Answer |
| 802.11a | 5GHz 54 Mbit/s |
| 802.11b | 2.4GHz 11 Mbit/s |
| 802.11g | 2.4GHz 54 Mbit/s |
| 802.11n (Wi-Fi 4) | 5/2.4 GHz 150 Mbit/s - 600 Mbit/s 4 x MIMO |
| 802.11ac (Wi-Fi 5) | 5 GHz 867 Mbit/s - 6.9 Gbit/s 8 x DL MU-MIMO |
| 802.11ax (Wi-Fi 6) | 5/2.4 GHz 1201 Mbit/s - 9.6 Gbit/s 8 x DL and UL MU-MIMO |
| 2.4 GHz vs 5 GHz | - 2.4 GHz covers more area with weaker signal strength, more prone to interference because more devices on this frequency - 5 GHz covers less area with stronger signal strength, less prone to interference |
| MIMO | Ability for access points to issue multiple signals to stations, thus multiplying a signal's strength and increase their range/data-carrying capacity. The more MIMO, the more paths data can take to travel. |
| Regulations | Unlicensed ISM band - doesn't need government approval to use - but, susceptible to eavesdropping |
| RFID | Radio-frequency identification; radar technology used when you put a badge on a door to unlock it - NFC builds on this technology |
Created by:
yiriz
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