In wired communication, the biggest difference between RS485 and RS232 is that RS485 supports-to-many communication, while RS232 can only support one-to-one communication.

• A.True
• B.False

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Huawei proposed the "1+2+1" loT architecture and has provided ()commercial solutions? (multiple choice)

• A.Smart water meter
• B.Smart home
• C.Smart parking
• D.Smart lighting

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Common scenarios for issuing control commands in Internet of Vehicle Applications are ()? (Multiple choice)

• A.Lock the car
• B.Acquisition module software version
• C.Location information is reported
• D.Location information query

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The memory management of HuaweiLitieOS is divided into static memory management and dynamic memory management. The advantage of dynamic memory is that it is allocated on demand without fragmentation.

• A.True
• B.False

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Which of the following options is not an advantage of the small packet data fast transmission technology?

• A.Shorten the terminal sending data time
• B.Reduce terminal power consumption
• C.Improve uplink transmission efficiency
• D.Increase the data transmission distance.

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