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| Section | Weight | Objectives |
|---|---|---|
| Data Collection Technologies | 12% | - Data acquisition methods and principles - Identification and positioning technologies - Sensing technologies |
| History and Overview of IoT | 7% | - IoT development history - Huawei IoT solutions and ecosystem - IoT concept and hierarchical architecture |
| IoT Communications Protocols | 20% | - Application layer protocols: MQTT, CoAP, HTTP - Device-cloud interaction mechanism - Transport/network layer protocols |
| IoT Communications Technologies | 22% | - Technical features and application scenarios - Wide-area communication: NB-IoT, eMTC, LoRa, 5G - Short-range communication: Wi-Fi, Bluetooth, ZigBee, NFC |
| IoT Operating System Overview | 5% | - Huawei LiteOS, OpenHarmony features - Characteristics and functions of IoT OS |
| Huawei Cloud IoT Platform Overview | 7% | - Device access and management - Data processing and application enablement - Platform functions and architecture |
| AT Commands for Communication Modules | 3% | - Common configuration and data transmission commands - AT command format and usage |
| IoT Industry Development Status and Trends | 2% | - Industry development status and challenges - Future development trends |
| MCU Basics | 17% | - MCU architecture and working principle - Basic development and low-power design - Common peripherals and interfaces |
| IoT Industry Applications and Solutions | 5% | - Typical IoT application scenarios - Smart city, smart home, industrial IoT, IoV solutions |
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NEW QUESTION # 300
LiteOS's built-in JS virtual machine is designed and optimized for resource-constrained devices.
Answer: B
NEW QUESTION # 301
What is device shadow in IoT?
Answer: C
NEW QUESTION # 302
What is the command to view the online status of all devices on the AR502ECRc-Lc gateway model?
Answer: B
NEW QUESTION # 303
Mesh networking supports IPv6 protocol.
Answer: B
NEW QUESTION # 304
In the CoAP protocol, reliable transmission of messages is initiated by CON messages, and CON messages can only be used as request messages.
Answer: A
NEW QUESTION # 305
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