Latest [Sep 24, 2021] H12-111_V2.5 Exam with Accurate HCIA-IoT V2.5 PDF Questions
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NEW QUESTION 39
RPL is a routing protocol based on distance vector
- A. True
- B. False
Answer: A
NEW QUESTION 40
Does eLTE-IoT use () technology to improve coverage capabilities?
- A. Small packet fast transmission technology
- B. Time domain retransmission mechanism
- C. Power spectral density increase
- D. Frequency hopping technology
Answer: B,C
NEW QUESTION 41
At what level is Huawei's edge computing gateway deployed?
- A. Between the access layer and the network layer
- B. Between the application layer and the platform layer
- C. Between the data storage server and the cloud platform
- D. Between the network layer and the platform layer
Answer: A
NEW QUESTION 42
Terminal intelligence is the foundation of the development of the Internet of Things.Huawei provides a complete standardized Internet of Things operating system LiteOS, and the accelerator terminal is intelligent.
- A. True
- B. False
Answer: A
NEW QUESTION 43
The positioning in the refinery can be completed by the base station positioning.
- A. False
- B. True
Answer: A
NEW QUESTION 44
Which vendor is most suitable for operating Huawei's openife solution ()?
- A. Operator
- B. Application Provider
- C. Huawei
- D. Equipment Supplier
Answer: A
NEW QUESTION 45
What are the typical application scenarios of IoT gateways? (multiple choice)
- A. City Iozhen network
- B. Chezhen network
- C. Internet
- D. Power Material Network
Answer: A,B,D
NEW QUESTION 46
Among the following options. What are the hierarchical divisions of the Internet of Things ()? (Multiple choice)
- A. Application layer
- B. Perception layer
- C. Data link layer
- D. Platform layer
Answer: A,B,D
NEW QUESTION 47
The data aggregation of edge computing can eliminate data fragmentation and invalid screen noise
- A. True
- B. False
Answer: A
NEW QUESTION 48
The following () scenario belongs to the control message delivery process? (multiple choice)
- A. Smart home mobile phone APP to remotely query the status of home appliances
- B. Smart street light application remotely turns on street lights in an area
- C. Fleet management application sets the reporting period of car engines
- D. Smoke sensor reports abnormal smoke at home
Answer: A,B,C
NEW QUESTION 49
Which of the following is correct about eLTE-IoT small packet data fast transmission?
- A. The small packet fast transmission mechanism controls the packet length sent by the wireless link in a small range
- B. For each small packet base station, it will quickly feedback whether it is successfully received, if it fails, the terminal will retransmit; otherwise, continue to send
- C. The small packet fast transmission mechanism controls the packet length to reduce the probability of interference during the data packet transmission process
- D. Fast feedback of the reception result improves the uplink transmission efficiency.
Answer: A,B,C,D
NEW QUESTION 50
The main process of 0ceanConnest is ()? (multiple choice)
- A. Southbound registration process
- B. Business distribution process
- C. Southbound message reporting process
- D. Northbound registration process
Answer: A,B,C,D
NEW QUESTION 51
Multi-tone includes 3 scenarios, 3tone, 6tone and 12tone, which respectively represent that the eNodeB can allocate 3, 6, and 12 15kHz subcarriers at a time for UE uplink data transmission.
- A. True
- B. False
Answer: A
NEW QUESTION 52
The English name of the Internet of Things is ()?
- A. Internet of Things
- B. Internet of Theorys
- C. Internet of People
- D. Internet of Vehicle
Answer: A
NEW QUESTION 53
Power line communication technology is abbreviated as PLC, which refers to a communication method that uses power lines to transmit data and media signals.
- A. True
- B. False
Answer: A
NEW QUESTION 54
What is the system bandwidth of NB-IoT? (Single choice)
- A. 180KHz
- B. 15KHz
- C. 60KHz
- D. 12KHz
Answer: A
NEW QUESTION 55
When the northbound application calls the authentication interface, what parameters are required ()?
- A. accesstoken
- B. appid
- C. secret
- D. appid and secret
Answer: D
NEW QUESTION 56
In device management, DMServer passes commands to the gateway through the () protocol to complete the configuration management of the device?
- A. CoAP
- B. HTTPS
- C. MQTT
- D. SMTP
Answer: A,B
NEW QUESTION 57
Regarding the description of the northbound application to register directly connected devices, which is incorrect ()?
- A. After the interface of the registered direct-connected device is called, if the binding is not completed within the timeout range, the device registration will be invalid
- B. When registering directly connected devices, if timeout is set to 0, there is no timeout setting
- C. Register directly connected device interface, not only can be used to register directly connected devices, but also can be used to register non-directly connected devices
- D. When registering directly connected devices, nodeid recommends using the MAC address of the device
Answer: C
NEW QUESTION 58
Huawei AR532 has remote data collection and end-to-end security protection capabilities
- A. True
- B. False
Answer: A
NEW QUESTION 59
eLTE-IoT improves anti-interference ability through () technology?
- A. Small packet fast transmission technology
- B. Frequency hopping technology
- C. Time domain retransmission mechanism
- D. Power spectral density increase
Answer: B
NEW QUESTION 60
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