Free mock exam
Protocols — Smart Home Technology Practice
Free topic-focused mock exam: 30 random questions from a pool of 32 on Protocols, drawn from the wider Smart Home Technology bank. 35-minute timer, 70% to pass, worked explanation on every question. Use this when you've taken the full mock once and want to drill the topics you got wrong.
- Questions
- 30
- Time limit
- 35 min
- Pass mark
- 70% · 21/30
- Question bank
- 32
Free, no sign-up. Retake as many times as you like — different questions each time.
Sample questions
01Which smart home protocol is best for battery-powered devices?
- AWi-Fi
- BBluetooth Classic
- CZigbee or Z-Wave
- DEthernet
Why: Zigbee and Z-Wave are designed for low-power operation, making them ideal for battery-powered devices that need to operate for months or years on a single battery.
02What does 'mesh networking' provide in smart home systems?
- ASimpler device pairing
- BFaster internet speeds
- CBetter device coverage and reliability
- DLower installation costs
Why: Mesh networking allows devices to communicate through multiple paths, extending coverage and improving reliability by providing redundant communication routes.
03Which frequency band does Zigbee primarily operate on?
- A900 MHz
- B5 GHz
- C60 GHz
- D2.4 GHz
Why: Zigbee primarily operates on the 2.4 GHz ISM band globally, though regional variants exist for 868 MHz (Europe) and 915 MHz (North America).
Common questions
Is the Protocols mock exam free?
Yes — 100% free, no sign-up needed. Questions are pulled at random from a substantial bank, with a worked explanation on every question after you submit.
Can I retake the mock exam?
Yes. Every attempt picks a different random selection and reshuffles the options, so each retake gives you genuinely new questions. No limit on retakes.
Does this count towards the real qualification?
No — this is independent practice material. To gain the actual qualification you need to sit the official assessment through an approved provider.
