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NEW QUESTION 108
What is the memory management algorithm supported by HuaweiLiteOS ()?
- A. OPT algorithm
- B. Budd algorithm
- C. LRU algorithm
- D. BOX algorithm
Answer: D
NEW QUESTION 109
In device management, what protocol does SPPortal use to send messages to DMServer? (Single choice)
- A. SMTP
- B. HTTPS
- C. CoAP
- D. MQTT
Answer: B
NEW QUESTION 110
Is NB-IoT the most power-saving when working in () mode? (Single choice)
- A. DRX
- B. PSM
- C. eDRX
- D. RSRP
Answer: B
NEW QUESTION 111
Voice delivery applications can use NB-IoT communication technology
- A. False
- B. True
Answer: A
NEW QUESTION 112
Which of the following options is not operated on SPPortal? (Single choice)
- A. Asset Management
- B. Rule management
- C. Application management
- D. View SP user details
Answer: D
NEW QUESTION 113
In the hierarchical division of the Internet of Things, which is responsible for the interaction between the data star and the customer ()?
- A. Platform layer
- B. Perception layer
- C. Network layer
- D. application layer
Answer: D
NEW QUESTION 114
Which of the following descriptions about ZigBee is wrong?
- A. ZigBee low-power local area network protocol based on IEEE802.15.4 standard
- B. ZigBee is a long-distance, low-power wireless communication technology
- C. ZigBee is widely used in industrial and smart home fields
- D. ZigBee works in the unlicensed frequency band
Answer: B
NEW QUESTION 115
The Internet of Things application needs to use () Portal to connect to the OceanConneot platform?
- A. SPPortal
- B. Alarm monitoring Portal
- C. Operation Fortal Port
- D. OSS Management Portal
Answer: A
NEW QUESTION 116
Huawei IoT gateway Zigbee physical layer technology adopts the following () standards?
- A. EEE802.15.1
- B. EC103
- C. lEEE802.15.4
- D. EC104
Answer: C
NEW QUESTION 117
The key requirements of smart parking are to reduce operating costs, improve the lack of parking spaces, the low utilization rate and the rare situation of parking.
Consider user experience Network cost and network reliability.
- A. False
- B. True
Answer: B
NEW QUESTION 118
Is the IoT gateway in the () position of the entire IoT solution?
- A. middle layer, downstream convergence, upstream backhaul
- B. Perception layer, which provides rich sensor data collection capabilities
- C. Application layer, providing rich data processing capabilities
- D. Software platform layer, which provides rich protocol adaptation capabilities
Answer: A
NEW QUESTION 119
In the smart home solution, which of the following methods can allow users to quickly customize the scene
- A. Manual trigger
- B. Event touch
- C. Automatic trigger
- D. Time trigger
Answer: A,B,D
NEW QUESTION 120
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. 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.
- D. If the error correction scenario exceeds the FEC error correction range, ARQ and HARQ mechanisms will be used for retransmission.
Answer: A
NEW QUESTION 121
The English name of the Internet of Things is ()?
- A. Internet of Theorys
- B. Internet of Vehicle
- C. Internet of People
- D. Internet of Things
Answer: D
NEW QUESTION 122
In short-range wireless network technology, what is the most common ()? (multiple choice)
- A. RF
- B. Zigbee
- C. Wifi
- D. Z-Wave
- E. Bluetooth
- F. PLC
Answer: A,B,C,D,E
NEW QUESTION 123
When the terminal is in PSM (power saving mode), the control commands issued by the service platform cannot reach the terminal in real time. The downlink control commands need to be cached in the operator's () first?
- A. Business platform
- B. base station
- C. Core network
- D. IoT platform
Answer: D
NEW QUESTION 124
What are the main functions of the loT connection management platform ()? (Multiple)
- A. Business application extension
- B. Industry application
- C. open terminal access
- D. Safe and reliable
Answer: A,C
NEW QUESTION 125
Among the following options, the description of the development of the home network is wrong ()
- A. With the development of home network, its business is becoming more and more abundant
- B. In order to enhance Wi-Fi coverage in the home network, a single-gateway centralized Wi-Fi coverage method is adopted
- C. The home network structure gradually develops from a dot to a star and then to a mesh
- D. High broadband has always been an important business in the home network
Answer: B
NEW QUESTION 126
Which of the following options is the AT command for reporting data
- A. AT+NMGS
- B. AT+NQMGR
- C. AT+NQMGS
- D. AT+NMGR
Answer: A
NEW QUESTION 127
In the power industry, using eLTE-loT to highlight the main advantages of AMI remote meter reading is wide coverage, heavy connectivity and easy deployment And expand
- A. False
- B. True
Answer: B
NEW QUESTION 128
Is NB-LOT working in () mode the most power-saving?
- A. DRX
- B. PSRP
- C. EDRX
- D. PSM
Answer: D
NEW QUESTION 129
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. False
- B. True
Answer: A
NEW QUESTION 130
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