EC-CouncilIoT Security Essentials
Domain 2Objective 2
IoT Operating Systems ISE Practice Questions (Page 7)
Part of the IoT Hardware and Platforms domain, which makes up ~18% of our current practice bank. EC-Council does not publish an official question count, but from its 120-minute exam (~50–80 total, ~9–14 in this domain), expect 2–4 from this objective — we provide 44 practice questions to prepare you well beyond it. (estimate)
44questions here
9free pages
8concepts
Questions 31–35
- 31
Why do many IoT operating systems use static memory allocation instead of dynamic allocation?
Select an answer first - 32
A company is developing a battery-powered soil moisture sensor that wakes every 15 minutes, reads a sensor, transmits a few bytes over LoRaWAN, and then sleeps. The device has 64 KB of RAM and a single-core MCU. The team needs an OS that minimizes power draw during the sleep interval and has a small memory footprint. Which OS choice best meets these requirements?
Select an answer first - 33
Which security feature in an IoT OS isolates applications from each other to limit the impact of a compromise?
Select an answer first - 34
A firmware update for an IoT device must be verified before execution to prevent malicious code from running. The device uses an RTOS and has a boot ROM that cannot be modified. What should be implemented to ensure only authenticated firmware runs?
Select an answer first - 35
What is the purpose of secure boot in an IoT operating system?
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