Last Updated: Aug 22, 2026
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| Section | Weight | Objectives |
|---|---|---|
| MCU Basics | 17% | - MCU architecture and working principle - Basic development and low-power design - Common peripherals and interfaces |
| AT Commands for Communication Modules | 3% | - AT command format and usage - Common configuration and data transmission commands |
| IoT Industry Development Status and Trends | 2% | - Future development trends - Industry development status and challenges |
| IoT Communications Technologies | 22% | - Wide-area communication: NB-IoT, eMTC, LoRa, 5G - Technical features and application scenarios - Short-range communication: Wi-Fi, Bluetooth, ZigBee, NFC |
| Huawei Cloud IoT Platform Overview | 7% | - Platform functions and architecture - Device access and management - Data processing and application enablement |
| IoT Communications Protocols | 20% | - Application layer protocols: MQTT, CoAP, HTTP - Device-cloud interaction mechanism - Transport/network layer protocols |
| Data Collection Technologies | 12% | - Identification and positioning technologies - Data acquisition methods and principles - Sensing technologies |
| IoT Operating System Overview | 5% | - Characteristics and functions of IoT OS - Huawei LiteOS, OpenHarmony features |
| IoT Industry Applications and Solutions | 5% | - Typical IoT application scenarios - Smart city, smart home, industrial IoT, IoV solutions |
| History and Overview of IoT | 7% | - IoT development history - Huawei IoT solutions and ecosystem - IoT concept and hierarchical architecture |
1. In wired communication technology, the difference between RS-485 and RS-232 is that RS-485 supports one-to-many communication, while RS-232 only supports one-to-one communication.
A) False
B) True
2. Which of the following options are suitable for NB-IoT applications? (Multiple choice)
A) Intelligent Parking
B) Smart manhole covers
C) Smart Camera
D) Smart water meter
3. What is the protocolType field in the platform's Profile file when a terminal uses an NB-IoT solution for access?
A) Z-Wave
B) MQTT
C) ZigBee
D) CoAP
4. In Huawei LiteOS, which module is used to receive messages of variable length from tasks or interrupts?
A) Interruption
B) Mutex lock
C) Queue
D) Signal heavy port
5. The maximum coupling line loss of NB-IoT is () dB.
A) 169
B) 174
C) 164
D) 144
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A,B,D | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: C |
Gavin
Isidore
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Nelson
Jeff
Lynn
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