Unit 4 - IoT and Media Gateway

Complete the crossword by clicking on the numbers, then click on "Check" to check your answer.
         1    2           
    3                  
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  5           6           
7            8            
        9              
10                      
                    
       11          12       
                    
13                      
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  15      16                
           17           
          18            
                    
                    
      19                
                    

Across:

1. A _____________ network consists of a gateway node, simple sensor nodes and router nodes that can connect directly to each other in a full topology.
4. Zigbee is easy on batteries because of its low _______________ status.
6. A frequency band is a specific range of frequencies in the _________ frequency (RF) spectrum which is divided among ranges from very low frequencies to extremely high frequencies.
9. IoT gateway is an intelligent device with ________________ capabilities.
10. ___________ 1 bluetooth devices have the highest transmission range.
11. ________________ refer to the rules of communication that the devices use and are specific to the characteristics of the communication.
13. ________________ range is the maximum distance a node can send its data to.
15. _________________ operates in the 2400-2483.5MHz range within the ISM 2.4G Hz frequency band.
18. Point to point network topology is the simplest technology that connects two nodes ____________________ together with a common link.
19. ______________ standard operates on the IEEE 802.15.4 physical radio specification and operates in 2.4G Hz.

Down:

2. A _____________ network consists of one gateway node to which all other nodes connect.
3. IoT gateway has the ________________ data transmission speed amongst all network connecting devices.
4. Information can be transmitted and received in a point to _________________ network topology.
5. The _______________ rate is the term to denote the transmission speed.
7. With AES 128-bit symmetric __________________, Zigbee keeps the data relatively secure.
8. ________________ operates in the 2400-2483.5MHz range within the ISM 2.4G Hz frequency band.
12. IoT gateway has improved _________________ security than any other network connecting device.
14. The IoT _____________________ bridges the communication gap between IoT devices, sensors, systems and clouds.
16. __________________ is the most popular IoT communication that utilizes the IEEE 802.11 standard through 2.4G Hz and 5G Hz frequencies.
17. For WiFi, the _______________ frequency, the faster the data transmission and shorter the signal range.