NO.21 Huawei Intelligent Gateway is an OSGI-based open platform, where hardware driver plug-ins and application plug-ins can be dynamically installed, started, upgraded, and uninstalled (plug and play), installed by users, and centrally controlled by operators.

NO.22 Is the IoT gateway in the () position of the entire IoT solution?

NO.23 What is the memory management algorithm supported by Huawei LiteOS ()?

NO.24 When using SofRadio to initiate a binding request to the platform, if a requesttimeout error is displayed, the possible reasons are ()? (multiple choice)

NO.25 What are the following () included in the N frameworks of Huawei LiteOS “1+N”? (Multiple choice).

NO.26 Smart home leader. Smart ONT can also be extended based on USB Dongle, providing Zig-bye/Z-wane And other basic swap-in capabilities of the Internet of Things. By accessing the standard system, it will be able to inherit smart devices from different manufacturers.

NO.27 Edge computing supports real-time services and can do ms-level data analysis

NO.28 In order to enhance the Wi-Fi user experience, the trend of single ONT centralized Wi-Fi.

NO.29 Does the Huawei IoT gateway provide () uplink and downlink interfaces? (multiple choice)

NO.30 In device management, what protocol does SPPortal use to send messages to DMServer? (Single choice)

NO.31 Among the following options, the interrupt supported features belonging to Huawei LiteOS are ()?(multi-select).

NO.32 During the development of Huawei LiteOS, what is the correct description ()?

NO.33 NB-IoT uses () technology for uplink and downlink respectively?

NO.34 The data communication management between the gateway and OceanConnect is based on the following () protocol connection?

NO.35 Which of the following technologies does Huawei RF Mesh involve?

NO.36 Which of the following descriptions about ZigBee is wrong?

NO.37 eLTE-IoT improves anti-interference ability through () technology?

NO.38 Is the programming voice used in the Keil integrated development environment in the example ()?

NO.39 In the field of smart home, smart ONT can also be based on USB Dongle extension, providing a variety of basic access capA, Bilities for the Internet of Things, including Zig-bee/Z-wave. Through the unification of access standards, it will be possible to integrate smart devices from different manufacturers.

NO.40 Is the IoT gateway in the () position of the entire IoT solution?

NO.41 The built-in JS virtual machine in LiteOS is designed and optimized for devices with highly constrained resources.

NO.42 The bracelet in the care of the elderly requires wan access capA, Bility to ensure that the elderly can be cared for outdoors.