Unit 4 - IoT Media Gateway

Complete the crossword, then click on "Check" to check your answer.
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Across:

1. ZigBee ______________ ranges are 30-100m.
3. ZigBee uses the IEEE 802.15.4 personal-area network standard to keep the ZigBee devices connected, With AES 128-bit _______________ encryption, it keeps the data relatively secure.
4. Wi-Fi stands for Wireless ____________ , it is the most popular IoT communication protocols for WLAN that utilises the IEEE 802.11 standard.
5. The wireless communication _____________ is a standard set of rules with reference to which various electronic devices communicate with each other wirelessly.
7. Wi-Fi frequency bands can be broken down into Wi-Fi ______________.
8. ZigBee runs on ____________________ network topology.
11. IoT _______________ acts as the bridges of communication between sensors and the cloud application.
12. IEEE 802.11ax standard is considered as the ______________.
14. Frequency bands are ranges of ___________ wave frequencies used to transmit data in the wireless spectrum.

Down:

2. ____________ channels are what lead to network interference.
6. IoT Wi-Fi system is a poor choice for power-constrained applications that rely on ________________ power.
9. In wireless communication, data rates define the ______________ of data transmissions.
10. The higher frequency 5 GHz band makes up for its shorter range with much ______________ Wi-Fi speeds than the 2.4GHz band.
13. In the 2.4 GHz band, the ____________ frequencies that are transmitted here can more easily penetrate solid objects.
15. Most IoT devices in networks can collect ____________ for analysis.