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"HCIA-IoT V2.5考题总结及感谢：跨国家与地区教育者的贡献"。

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HCIA-IoT

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"H12-111-ENU HCIA-IoT V2.5 Exam" is a comprehensive assessment that evaluates an individual's knowledge and skills in the field of Internet of Things (IoT) technology. The exam covers a wide range of topics related to IoT, including hardware, software, networking, security, and applications. I would like to express my gratitude to all those who have supported me throughout this journey of preparation for the exam. Starting from my family members, such as my parents, wife, and sons, to my colleagues and mentors from Huawei-Iraq and Huawei-Yemen, who have provided me with the guidance and encouragement needed to succeed. I am also thankful to the instructors from Uganda for their dedication to educating and shaping the young minds of Africa and the Middle East, regardless of borders. The exam itself is designed to test the candidate's understanding of the technologies and concepts involved in IoT. It requires a deep understanding of hardware components, software development, networking protocols, and security measures. Additionally, the exam assesses the candidate's ability to apply IoT technologies to real-world scenarios and solve practical problems. By passing the "H12-111-ENU HCIA-IoT V2.5 Exam", individuals demonstrate their proficiency in IoT technology and their readiness to contribute to the growing field of connected devices and smart systems. This certification not only validates the candidate's skills but also opens up new opportunities for career advancement and professional growth. In conclusion, the "H12-111-ENU HCIA-IoT V2.5 Exam" serves as a benchmark for individuals looking to establish themselves in the field of IoT technology. It is a testament to their dedication, knowledge, and expertise in an ever-evolving and highly relevant industry. With the support of family, colleagues, and mentors, candidates can confidently take on the challenges of the exam and emerge successful, ready to make a meaningful impact in the world of IoT.

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H12-111-ENU HCIA-IoT V2.5 Exam

oc_mqtt_report_entry indicates the data reporting task.

A. True

B. False

Answer: A

After data files are uploaded to the OBS bucket, you need to manually synchronize the data in the ModelArts

development environment

A. True

B. False

Answer: A

After we get the model and we want to apply model, we use the model.save( ) function to save our model.

A. True

B. False

Answer: A

After we get data, we need to see the quality of the data, and then clean data, build models, train models, evaluate

model, and apply your model.

A. True

B. False

Answer: A

Neural networks is main Deep learning algorithm, it is based on how to human brain works.

A. True

B. False

Answer: A

There are variety of types of neural networks, the network layer can be broadly divided into input, hidden, and the

output layer.

A. True

B. False

Answer: A

The hierarchical clustering algorithm can cluster into non-convex shapes.

A. True

B. False

Answer: A

In 5G, URLLC scenarios need to provide ultra-high reliability and ultra-low latency services.

A. True

B. False

Answer: A

VR, AR and MR are examples of eMBB scenarios.

A. True

B. False

Answer: A

NSA can coexist with SA.

A. True

B. False

Answer: A

eNB stands for evolved NodeB.

A. True

B. False

Answer: A

5G New Radio supports Massive MIMO.

A. True

H12-111-ENU HCIA-IoT V2.5 Exam

B. False

Answer: A

Product development includes product management, model developing and online debugging.

A. True

B. False

Answer: A

The profile describes what a device is, what it can do and how to control it.

A. True

B. False

Answer: A

Only data that is matched with the product model is saved on the IoT platform.

A. True

B. False

Answer: A

Graphical codec development is recommended.

A. True

B. False

Answer: A

PUT action is used to update resources on the server.

A. True

B. False

Answer: A

In an API message, path parameter includes the path part in the URL.

A. True

B. False

Answer: A

Application access authentication is achieved by exchanging messages with the platform's IAM.

A. True

B. False

Answer: A

Creating a device requires registering it in the cloud first and then binding it.

A. True

B. False

Answer: A

All developments on the device side can be achieved using MQTT and CoAP/LwM2M.

A. True

B. False

Answer: A

Authentication for devices is possible using Native MQTT or MQTTS.

A. True

B. False

Answer: A

When deleting a device successfully, the returned code is 204.

A. True

B. False

Answer: A

Sub-3 GHz means lower than 3000 MHz and C-band covers 3000-6000 MHz.

A. True

H12-111-ENU HCIA-IoT V2.5 Exam

B. False

Answer: A

Massive MIMO supports 64 transceiver antennas and 64 for receivers.

A. True

B. False

Answer: A

Release 15 is the first 3GGP standard dedicated for 5G.

A. True

B. False

Answer: A

Compared to the 4G technology, latency in 5G is 30 to 50 times less.

A. True

B. False

Answer: A

Compared to the 4G technology, throughput in 5G is 100 times higher.

A. True

B. False

Answer: A

5G can support a number of connections per km

up to 1 million.

A. True

B. False

Answer: A

AP stands for Access Point.

A. True

B. False

Answer: A

Smart home devices can use PLC.

A. True

B. False

Answer: A

Security surveillance is one application of the smart home scenario.

A. True

B. False

Answer: A

Wi-Fi, ZigBee, Z-Wave and Bluetooth are examples of wireless communication technologies supported by the smart

home gateway.

A. True

B. False

Answer: A

Industrial IoT gateway includes extensive interfaces and protocols.

A. True

B. False

Answer: A

Industrial IoT gateway uses edge computing to reduce latency.

A. True

B. False

Answer: A

Bus topology is simple and easy to expand.

H12-111-ENU HCIA-IoT V2.5 Exam

A. True

B. False

Answer: A

3T+1M means 3 security tires and 1 management layer.

A. True

B. False

Answer: B

Data interception and tampering is not considered as a security threat.

A. True

B. False

Answer: B

API attacks are categorized as a pipe threat.

A. True

B. False

Answer: B

Ethernet uses CSMA/CA to detect collisions.

A. True

B. False

Answer: B

Does the device layer generate dataset and forward rules to other cloud services?

A. True

B. False

Answer: B

An OS is a computer program that only manages computer software resources

A. True

B. False

Answer: B

Multi-tone transmission is mandatory for terminal devices, while single -tone transmission is optional.

A. True

B. False

Answer: B

Huawei LiteOS tasks have 32 priorities from 0 to 31. The highest priority is 0, and the lowest is 31. A task with a higher

priority can preempt a task with a lower one. A task with a lower priority can be scheduled only after a task with a higher

one is completed.

A. True

B. False

Answer: B

The MCL value of NB-IoT is 164, which increases by 30 dB compared with GPRS

A. True

B. False

Answer: B

Huawei LiteOS consists of basic OS components such as task management, memory management, time management,

communication mechanism, interrupt management, queue management, event management, timer, and exception

management. These components cannot run independently.

A. True

B. False

Answer: B

The NB-IoT module may not use the ATINY framework of the Huawei LiteOS because the protocol stack assembled by

the NB-IoT module can be parsed by the platform.

A. True

H12-111-ENU HCIA-IoT V2.5 Exam

B. False

Answer: B

The AR501L1Rc model devices only support switching and do not process the dimming function.

A. True

B. False

Answer: B

Home networks use a star topology, either now or in the future.

A. True

B. False

Answer: B

In the HUAWEI CLOUD IoT platform, FOTA, also called software over the air, allows users to upgrade MCUs of devices

based on Huawei's PCP upgrade protocol.

A. True

B. False

Answer: B

The network layer of the IoT solution uses only wireless communication technologies.

A. True

B. False

Answer: B

Power Line Communication (PLC) can be used to transmit data across transformer equipment.

A. True

B. False

Answer: B

The architecture of the Trojan Room Coffee Pot is a complete IoT architecture with four layers: sensing, network,

platform, and application.

A. True

B. False

Answer: B

Edge computing and cloud computing are mutually exclusive and cannot co-exist.

A. True

B. False

Answer: B

Edge computing and cloud computing are mutually exclusive and cannot coexist.

A. True

B. False

Answer: B

IoT security technologies are focused only on the sensing layer.

A. True

B. False

Answer: B

The system bandwidth of NB-IoT is 200 kHz.

A. True

B. False

Answer: B

5G networking can only be based on the standalone (SA) mode.

A. True

B. False

Answer: B

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"HCIA-IoT V2.5考题总结及感谢：跨国家与地区教育者的贡献"。

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