352-001 · Question #434
Which two are loT sensor-specific constraints? (Choose 2)
The correct answer is B. processing power C. memory. IoT sensors are physically constrained devices, and the most significant device-level limitations are processing power and memory, which directly affect what computations and data storage can occur on the sensor itself.
Question
Which two are loT sensor-specific constraints? (Choose 2)
Options
- Athe amount of devices
- Bprocessing power
- Cmemory
- Dcooling
- Estandard transport protocols
How the community answered
(58 responses)- A7% (4)
- B86% (50)
- D5% (3)
- E2% (1)
Why each option
IoT sensors are physically constrained devices, and the most significant device-level limitations are processing power and memory, which directly affect what computations and data storage can occur on the sensor itself.
The number of devices is a network scale and management challenge, not a constraint of the sensor hardware itself.
IoT sensors typically use low-power microcontrollers with very limited CPU cycles, making processing power a defining constraint that restricts on-device computation, encryption, and data parsing.
RAM and flash storage on IoT sensors are measured in kilobytes rather than megabytes, making memory a critical constraint that limits firmware complexity, buffering, and local data retention.
Cooling is not a significant concern for low-power IoT sensors because they generate minimal heat by design.
Standard transport protocols such as MQTT and CoAP are available options for IoT, not a hardware constraint of the sensor itself.
Concept tested: IoT endpoint hardware resource constraints
Source: https://www.cisco.com/c/en/us/solutions/internet-of-things/overview.html
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