Communication Protocols for IoT and Industry 4.0 Quiz

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What is the maximum payload allowed in Wireless HART?

127 bytes

How are communication collisions avoided in Wireless HART?

TDMA technology

What technology is used in Wireless HART to provide deterministic communications?

TDMA

How are super frames structured in Wireless HART?

<p>Variable number of time slots per frame</p> Signup and view all the answers

What does Wireless HART support in terms of network topologies?

<p>Both star and mesh topologies</p> Signup and view all the answers

In Wireless HART, when does the communication occur for any message?

<p>At a fixed time and frequency slot</p> Signup and view all the answers

Which type of sensor provides continuous readings within a certain range of values?

<p>Analog sensor</p> Signup and view all the answers

A sensor that operates within a strictly binary framework, detectable by a computer as either a 0 or 1, is known as:

<p>Digital sensor</p> Signup and view all the answers

What type of sensor does not require an external power source to operate?

<p>Passive sensor</p> Signup and view all the answers

Which sensor type provides a single value as output to represent a physical property being monitored?

<p>Scalar sensor</p> Signup and view all the answers

A sensor that directly converts physical phenomena into a measurable signal without manipulation is classified as:

<p>Analog sensor</p> Signup and view all the answers

Which sensor type is more likely to require calibration to ensure accurate measurements over time?

<p>Analog sensor</p> Signup and view all the answers

What is the primary purpose of the IEEE 802.15.4 standard?

<p>To provide a framework for lower layers (MAC and PHY) for wireless personal area network (WPAN)</p> Signup and view all the answers

What type of modulation is used by the IEEE 802.15.4 standard?

<p>Phase Shift Keying</p> Signup and view all the answers

What is the data transmission rate for 868 MHz and 915 MHz respectively?

<p>20/40 kbps</p> Signup and view all the answers

What is the maximum distance for communication between neighboring devices using IEEE 802.15.4?

<p>~75m</p> Signup and view all the answers

What is the purpose of DSSS coding scheme in IEEE 802.15.4?

<p>To transmit information</p> Signup and view all the answers

What is the characteristic of IEEE 802.15.4 in terms of power consumption?

<p>Low power consumption</p> Signup and view all the answers

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