Which of the following descriptions of the error correction coding of eLTE-IoT is wrong?
- A . Error correction coding technology is to perform error correction and correction after the entire data packet is transmitted.
- B . Error correction coding is FEC forward error correction coding.
- C . If the error correction scenario exceeds the FEC error correction range, ARQ and HARQ mechanisms will be used for retransmission.
- D . 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.
OceanConneot’s Portal has ()? (multiple choice)
- A . Alarm monitoring Portal
- B . OperationPortal
- C . SP Portal
- D . OsS Management Portal
Which of the following options is the AT command for reporting data
- A . AT+NMGS
- B . AT+NMGR
- C . AT+NQMGR
- D . AT+NQMGS
The smart gateway is the core of the entire smart home network and the middle frame of the home network interconnection.
- A . True
- B . False
The physical layer technology of Huawei IoT Gateway 6LoWPAN adopts the following () standards?
- A . IEC104
- B . IEEE802.15.4
- C . IEC103
- D . IEEE802.15.1
If the data part of the AT command to be sent is 010203405, the length should be set to ()?
- A . 5
- B . 10
- C . 40
- D . None of the above
Among the following options, which terminal access methods that are not commonly used in smart homes are ()?
- A . Z-Wave
- B . Zigbee
- C . RF
- D . WiFi
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
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.
- A . True
- B . False
The T-BOX vehicle control process does not need to go through the Iot platform
- A . True
- B . False
What is the smallest operating unit that competes for system resources? (Single choice)
- A . Memory
- B . Task
- C . Semaphore
- D . Interrupt
Among the following options, the wrong description for EEM is ().
- A . EEM support plan and strategy management
- B . EEM can provide GIS map monitoring function
- C . EEM is a platform developed based on the Huawei AgileController platform
- D . EEM can manage terminal equipment and provide remote upgrades
AR5O2EGRc-Lc The command to view the online status of all devices is ()?
- A . dischanne-typezigbeestatus
- B . dischannel-typeestatus
- C . dischanne-typenetworkstatus
- D . dischanneltyperfstatus
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)
- A . True
- B . False
What is the programming language used in the example of Keil integrated development environment ()?
- A . PHP
- B . C
- C . Java
- D . Python
eMTC can be applied to the Internet of Vehicles and video surveillance scenarios
- A . True
- B . False
In the Huawei lighting IoT solution, the applicable standard is to follow the following () standard?
- A . IEC62056
- B . ANSIC21
- C . IEC61850
- D . ANSIC13641
Among the following options, the ones that belong to IoT security are
- A . Data security
- B . Power safety
- C . Terminal security
- D . Access security
In the smart ultrasonic water meter, the main function of the water temperature sensor is ()?
- A . True the error caused by the influence of temperature in the ultrasonic measurement and improve the accuracy
- B . Prevent the water meter from being too low to cause the water meter to rupture
- C . Prevent the water meter from being used as a hot water meter
- D . All of the above
Among the following options, please select the meaning of "2" in Huawei 1+2+1" architecture
- A . Two IOT platforms
- B . Two network access methods
- C . Two operating systems
- D . Two payment models
The frequency of NB-IoTInband and Guardband cells can be arbitrarily configured within the supported frequency bands.
- A . True
- B . False
What is the first step of the OceanConnect business process ()?
- A . Southbound message reporting process
- B . Business release process
- C . Northbound registration process
- D . Southbound registration process
CoAP protocol message format is simple, messages can be very short, use long connections, and have a heartbeat keep-alive mechanism.
- A . True
- B . False
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.
- A . True
- B . False
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.
- A . True
- B . False
Among the following options, the description of the Huawei Lighting IoT solution is wrong ().
- A . The network layer is connected to the IoT gateway through RFMesh technology for data back transmission
- B . Perception layer uses external street light controller AR501L1Rc
- C . The platform layer adopts the Huawei OceanConnect platform based on AgileController
- D . The application layer performs data statistics and monitoring operation and maintenance through the CityConnect platform
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.
- A . True
- B . False
Rennu in HuaweiLiteOS is a preemptive scheduling mechanism. Currently, it does not support time slice round-robin scheduling.
- A . True
- B . False
Among the following options, which are the current difficulties encountered by the Internet of Things ()? (multiple choice)
- A . Multi-sensor collaborative management is complicated
- B . High performance and power consumption requirements in video scenarios
- C . The communication protocol between terminals is complex and diverse
- D . The development language programming efficiency is low
The positioning in the refinery can be completed by the base station positioning.
- A . True
- B . False
What are the main functions of the loT connection management platform ()? (Multiple)
- A . open terminal access
- B . Business application extension
- C . Safe and reliable
- D . Industry application
Huawei LiteOS () can provide a variety of sensing algorithms, application developers do not need to re-development, can be called between?
- A . Interconnection framework
- B . Sensing framework
- C . Run the engine
- D . Security Framework
The meter reading protocols mainly used in Huawei’s power Internet of Things solution include ()? (multiple choice)
- A . DLMS (correct case)
- B . Modbus (correct case)
- C . JSON
- D . protobuf Word
HuaweiLiteOS interconnect swing frame optimizes Mesh ad hoc network. The features do not include the following ()?
- A . Fast self-healing port
- B . High reliability
- C . Networking time 20mins
- D . The number of network nodes is increased to 1000+
PLC communication technology is a wireless communication technology dedicated to the field of electric power.
- A . True
- B . False
At present, smart ONT has limited opening capabilities and can only support Huawei’s own service platform.
- A . True
- B . False
Among the following options, the one that does not belong to N in the HuaweLteOS1+N architecture is ()?
- A . Sensing framework
- B . Interconnection engine
- C . Security framework
- D . Open API
The English name of the Internet of Things is ()?
- A . Internet of People
- B . Internet of Theorys
- C . Internet of Things
- D . Internet of Vehicle
AR501L1Rc model equipment closed state indicator light is ()?
- A . Ziguang
- B . Red light
- C . No indicator light port
- D . Yellow light
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)
- A . SoftRadio received an unrecognized AT command
- B . There is a problem with the connection between the southbound device and P’, SotRadio does not receive data
- C . The sent AT command does not end with irin
- D . All of the above are possible