H12-111_V2.5-ENU Online Training Archives

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1. Which of the following descriptions of the error correction coding of eLTE-IoT is wrong?

Error correction coding technology is to perform error correction and correction after the entire data packet is transmitted.

Error correction coding is FEC forward error correction coding.

If the error correction scenario exceeds the FEC error correction range, ARQ and HARQ mechanisms will be used for retransmission.

The role of HARQ is to achieve a balance between time delay and packet loss rate, and this work cannot be completed by error correction coding.

2. OceanConneot's Portal has ()? (multiple choice)

Alarm monitoring Portal

OperationPortal

SP Portal

OsS Management Portal

3. Which of the following options is the AT command for reporting data

AT+NMGS

AT+NMGR

AT+NQMGR

AT+NQMGS

4. The smart gateway is the core of the entire smart home network and the middle frame of the home network interconnection.

True

False

5. The physical layer technology of Huawei IoT Gateway 6LoWPAN adopts the following () standards?

IEC104

IEEE802.15.4

IEC103

IEEE802.15.1

6. If the data part of the AT command to be sent is 010203405, the length should be set to ()?

None of the above

7. Among the following options, which terminal access methods that are not commonly used in smart homes are ()?

Z-Wave

Zigbee

WiFi

8. 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.

True

False

9. Huawei Smart Gateway is based on the OSGI open platform. Hardware driver plug-ins and application plug-ins can be dynamically installed, started, Upgrade and uninstall (plug and play), users can install

independently, and operators can centralize control.

True

False

10. The T-BOX vehicle control process does not need to go through the Iot platform

True

False

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11. What is the smallest operating unit that competes for system resources? (Single choice)

Memory

Task

Semaphore

Interrupt

12. Among the following options, the wrong description for EEM is ().

EEM support plan and strategy management

EEM can provide GIS map monitoring function

EEM is a platform developed based on the Huawei AgileController platform

EEM can manage terminal equipment and provide remote upgrades

13. AR5O2EGRc-Lc The command to view the online status of all devices is ()?

dischanne-typezigbeestatus

dischannel-typeestatus

dischanne-typenetworkstatus

dischanneltyperfstatus

14. Terminal intelligence is the foundation of the development of the Internet of Things. Huawei provides a complete and standardized Internet of Things operating system LiteOS to accelerate terminal intelligence. (judge)

True

False

15. What is the programming language used in the example of Keil integrated development environment ()?

PHP

Java

Python

16. eMTC can be applied to the Internet of Vehicles and video surveillance scenarios

True

False

17. In the Huawei lighting IoT solution, the applicable standard is to follow the following () standard?

IEC62056

ANSIC21

IEC61850

ANSIC13641

18. Among the following options, the ones that belong to IoT security are

Data security

Power safety

Terminal security

Access security

19. In the smart ultrasonic water meter, the main function of the water temperature sensor is ()?

True the error caused by the influence of temperature in the ultrasonic measurement and improve the accuracy

Prevent the water meter from being too low to cause the water meter to rupture

Prevent the water meter from being used as a hot water meter

All of the above

20. Among the following options, please select the meaning of "2" in Huawei 1+2+1" architecture

Two IOT platforms

Two network access methods

Two operating systems

Two payment models

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21. The frequency of NB-IoTInband and Guardband cells can be arbitrarily configured within the supported frequency bands.

True

False

22. What is the first step of the OceanConnect business process ()?

Southbound message reporting process

Business release process

Northbound registration process

Southbound registration process

23. CoAP protocol message format is simple, messages can be very short, use long connections, and have a heartbeat keep-alive mechanism.

True

False

24. Adding tasks to the task stack before the system is running is no different from adding tasks to the task stack after the system is running.

True

False

25. What is the main function of the industrial IoT gateway as a convergence device of the local leased network to provide edge computing capabilities. Ensuring the implementation of local response.

True

False

26. Among the following options, the description of the Huawei Lighting IoT solution is wrong ().

The network layer is connected to the IoT gateway through RFMesh technology for data back transmission

Perception layer uses external street light controller AR501L1Rc

The platform layer adopts the Huawei OceanConnect platform based on AgileController

The application layer performs data statistics and monitoring operation and maintenance through the CityConnect platform

27. The bracelet in the care of the elderly requires the ability to push into the WAN to ensure that the elderly can be cared for outdoors.

True

False

28. Rennu in HuaweiLiteOS is a preemptive scheduling mechanism. Currently, it does not support time slice round-robin scheduling.

True

False

29. Among the following options, which are the current difficulties encountered by the Internet of Things ()? (multiple choice)

Multi-sensor collaborative management is complicated

High performance and power consumption requirements in video scenarios

The communication protocol between terminals is complex and diverse

The development language programming efficiency is low

30. The positioning in the refinery can be completed by the base station positioning.

True

False

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31. What are the main functions of the loT connection management platform ()? (Multiple)

open terminal access

Business application extension

Safe and reliable

Industry application

32. Huawei LiteOS () can provide a variety of sensing algorithms, application developers do not need to re-development, can be called between?

Interconnection framework

Sensing framework

Run the engine

Security Framework

33. The meter reading protocols mainly used in Huawei's power Internet of Things solution include ()? (multiple choice)

DLMS (correct case)

Modbus (correct case)

JSON

protobuf Word

34. HuaweiLiteOS interconnect swing frame optimizes Mesh ad hoc network. The features do not include the following ()?

Fast self-healing port

High reliability

Networking time 20mins

The number of network nodes is increased to 1000+

35. PLC communication technology is a wireless communication technology dedicated to the field of electric power.

True

False

36. At present, smart ONT has limited opening capabilities and can only support Huawei's own service platform.

True

False

37. Among the following options, the one that does not belong to N in the HuaweLteOS1+N architecture is ()?

Sensing framework

Interconnection engine

Security framework

Open API

38. The English name of the Internet of Things is ()?

Internet of People

Internet of Theorys

Internet of Things

Internet of Vehicle

39. AR501L1Rc model equipment closed state indicator light is ()?

Ziguang

Red light

No indicator light port

Yellow light

40. The southbound device sends AT commands to SoftRadio through the serial port. As a result, SoftRadio does not display any information.

The reason is ()? (multiple choice)

SoftRadio received an unrecognized AT command

There is a problem with the connection between the southbound device and P', SotRadio does not receive data

The sent AT command does not end with irin

All of the above are possible