IoT_Assignment 3

State True or False.

Statement: “WirelessHART is the latest release of Highway Addressable Remote Transducer protocol.”

Correct Answer: a. True

Detailed Solution: WirelessHART is the latest release of Highway Addressable Remote Transducer protocol.

• True

• 1. False

• none

• none

State True or False.

Statement: “Wired HART has a network layer.”

Correct Answer: b. False

Detailed Solution: Wired HART does not have a network layer.

• 1. True

• 1. False

• none

• none

State true or false:

“WirelessHART physical layer is derived from 802.15.2 protocol”

Correct Answer: a. False

Detailed Solution: WirelessHART physical layer is derived from 802.15.4 protocol.

• 1. False

• 1. True

• none

• none

WirelessHART operates only in __________ GHz ISM band.

Correct Answer: d. 2.4

Detailed Solution: HART operates only in the 2.4 GHz ISM band.

• 1. 3.7

• 1. 4.8

• 1. 4.8

• 1. 2.4

HART standard was developed from _____________ smart field devices.

Correct Answer: d. networked

Detailed Solution: HART standard was developed for networked smart field devices.

• 1. amplified

• 1. diminished

• 1. isolated

• 2. networked

Main difference between wired and unwired versions is in the physical, data link, and ______ layers.

Correct Answer: b. Network

Detailed Solution: Main difference between wired and unwired versions is in the physical, data link, and network layers.

• 1. Data link

• 1. Network 

• 1. Transport 

• 1. None of these

State true or false

“Collision free and deterministic communication is achieved in HART’s data link layer.”

Correct Answer: a. True

Detailed Solution: Collision free and deterministic communication is achieved in HART’s data link layer.

• 1. True

• 1. False

• none

• none

Channel hopping is incorporated in which layer of HART?

Correct Answer: a. Data link layer

Detailed Solution: Channel hopping is incorporated in the data link layer of HART.

• 1. Data link layer

• 1. Physical layer

• 1. Application layer

• 1. Transport layer

State True or False.

“The HART application layer is responsible for extracting commands from a message, executing it and generating responses.”

Correct Answer: a. True

Detailed Solution: The HART application layer is responsible for extracting commands from a message, executing it and generating responses.

• 1. True

• 1. False

• none

• none

NFC is designed for use by devices within ________________ to each other.

Correct Answer: d. None of these

Detailed Solution: NFC is designed for use by devices within close proximity to each other.

• 1. Anywhere on the globe

• 1. A small building

• 1. Both (a) and (b)

• 1. None of these