Iot d337 - Study guides, Class notes & Summaries

WGU INTERNET OF THINGS (IOT) AND INFRASTRUCTURE - D337

QUESTION Technique in which the signal is transmitted on a bandwidth that is much bigger than the original frequency to decrease interference and increase security Answer: Spread spectrum QUESTION based on LoRa protocol from Semtech. is asynchronous and uses Spread spectrum. Suitable for dense deployments such as buildings or cities. Answer: LoRaWAN QUESTION Short-ranged network with meshing Answer: Zigbee

1st wave of IoT - Answer Hardware breakthrough that aimed to connect everyday objects to a network 2nd wave of IoT - Answer Developing new types of sensors and new technologies and protocols to support their deployment 3rd wave of IoT - Answer Data collection, processing, and security IoT ecosystem - Answer Set of stakeholders that participate in the deployment of IoT technology and the relationship between them

LPWAN (Low Power Wireless Area Network ) - Answer Lower than 1 GHz, 868 MHz in EU called ISM (Industrial, Scientific, and Medicine) band, USA 915 MHz Several techs that use this band are Sigfox, LoRaWAN, and Weightless LPWANs have lower data rates compared to normal cellular ones What are the 4 things to consider when choosing IoT connectivity? - Answer Data rate, power availability, range, cost Customer Edge Device - Answer Devices that receive data from and send commands to IoT devices...

D337 - INTERNET OF THINGS (IOT) AND INFRASTRUCTURE TESTS WITH ALL ANSWERS

A company develops a small tracker to be used in parcels to track progress via Global Positioning System (GPS). Testing reveals that the tracker has a Joint Test Action Group (JTAG) port on the circuit board that can be used to overwrite the firmware on the tracker and provide false location data. Which two Internet of Things Security Foundation (IoTSF) Best Practice Guidelines (BPGs) should this company follow in its design process to ensure security from these forms of attack? Choose 2 a...