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Huawei H12-111_V2.5 Actual Questions

HCIA-IoT V2.5 Exam Questions and Answers

Question 5

What is the most suitA, Ble manufacturer to operate Huawei's openlife solution ()?

Options:

A.

Huawei Corporation

B.

Operator

C.

Application Provider

D.

Device Provider

Question 6

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

Options:

A.

Correct

B.

Error

Question 7

Of the following options, () is a narrowband wireless IoT solution based on the 3GPP standard developed specifically for the industry IoT market?

Options:

A.

eLTE-loT .

B.

Wifi

C.

PLC-loT

D.

Z-Wave

Question 8

Among the following options, what are the benefits of the interrupt mechanism that belongs toHuawei LiteOS ()?

Options:

A.

When peripherals do not need CPU intervention, the CPU can perform other tasks

B.

The CPU spends a lot of time waiting and querying the status of peripherals

C.

When the peripheral needs the CPU, it needs to wait for the current taskto end

D.

Reduce the real-time and execution efficiency of the system