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H12-111_V2.5 Sample Questions Answers

Questions 4

In the following options, there are ()ways to reduce the threat of DDOS attacks. (Multiple choice)

Options:

A.

Interrupt strict authentication

B.

Break strict encryption

C.

Interrupt the use of tamper-evident housings

D.

Add firewall

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Questions 5

Of the following options, which are not platform-layer secure, are ()?

Options:

A.

Networking security

B.

Confidentiality

C.

Privacy

D.

Physical protection

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Questions 6

At present, the open capA, Bility of intelligent ONT is limited, and it can only support Huawei's own service platform.

Options:

A.

Correct

B.

Error

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Questions 7

If the data portion of the AT command that needs to be sent is 010203405, the length should be set to ()?

Options:

A.

5

B.

10

C.

40

D.

None of the A, Bove is true

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Questions 8

Huawei LiteOS DeveloperCommunity Provides () Support? (Multiple choice).

Options:

A.

Kernel code

B.

Development documentation

C.

Scenario-based SDK

D.

Forum

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Questions 9

Among the following options, is N not in the Huawei LiteOS 1+N architecture ()?

Options:

A.

Sensing framework

B.

Interconnection engine

C.

Security Framework

D.

Open API

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Questions 10

Intelligent ultrasonic water meter, the main function of the water temperature sensor ()?

Options:

A.

Correct the error caused by the temperature effect ofultrasonic measurement and improve the accuracy

B.

Prevent the temperature from being too low and causing the water meter to freeze and rupture

C.

Avoid using the water meter as a hot water meter

D.

All of the A, Bove

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Questions 11

In the hierarchical division of the Internet of Things, Huawei's OceanConnect acts on ()?

Options:

A.

Application layer

B.

Platform layer

C.

Network layer

D.

Perception layer

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Questions 12

Is the IoT gateway in the () position of the entire IoT solution?

Options:

A.

Middle layer, downstream aggregation, upstream callback .

B.

Application layer, providing rich data processing capA, Bilities

C.

Perception layer, providing rich sensingdata acquisition capA, Bilities

D.

Software platform layer, providing rich protocol adaptation capA, Bilities

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Questions 13

Among the following options, which belong to the IoT hierarchy( have ()? (Multiple choice)

Options:

A.

Application layer

B.

Platform layer

C.

Data link layer

D.

Perception Layer

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Questions 14

The key demand of smart parking is to reduce operating costs and improve the shortage of parking spaces. Low utilization and parking arerarely present while considering the user experience. Network cost network reliA, Bility.

Options:

A.

Correct

B.

mistake

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Questions 15

The order to add a whitelist to the AR502EGRc-Lc model gateway is ()?

Options:

A.

zigbee-network permit-join whitelist longid

B.

rf-network permit-joinwhitelist longid.

C.

hiplc-network permit-join whitelist longid

D.

network permit-join whitelist longid

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Questions 16

OceanConnect's Portal has ()? (multiple choice).

Options:

A.

Alarm monitoring Portal

B.

Operation Portal .

C.

SP Poratl

D.

OSS Management Portal

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Questions 17

Huawei proposed the "1+2+1" loT architecture and has provided () commercial solutions? (Multiple choice)

Options:

A.

Smart Water Meter

B.

Smart Parking

C.

Smart lighting

D.

Smart Home

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Questions 18

Sigfox utilizes ultra-narrow UNB technology, so his transmission rate is lower, usually ()?

Options:

A.

50bps

B.

50Mbps

C.

100bps .

D.

100Mbps

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Questions 19

Below () is the IoT communication protocol developed by IBM?

Options:

A.

IP Proxy

B.

MQTT .

C.

AMQP

D.

SIP

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Questions 20

After the gateway is started, the device carries the Device ld and password to accessOceanConnect, and OceanConnect verifies the legitimacy of its authentication and returns () if it is legitimate

Options:

A.

100 OK

B.

200 OK

C.

300 OK

D.

500 OK

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Questions 21

eLTE-loT is used as an electric AMI meterreading scenario, can each cell support () meter access?

Options:

A.

100

B.

500

C.

1000

D.

10000

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Questions 22

Among the following options, which belong to the IoT hierarchy are ()? (Multiple choice)

Options:

A.

Application layer

B.

Platform layer

C.

Data link layer

D.

Perception Layer

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Questions 23

The southbound device sends an AT command to SoftRadio through the serial port, and the result is that SoftRadio does not have any information prompt, possible reasons are ()? (Multiple choice).

Options:

A.

SoftRadio received an unrecognizA, Ble ATcommand

B.

There is a problem with the connection of the southbound device to the PC, SoftRadio does not receive the data .

C.

The AT command sent does not end with /r/n

D.

All of the A, Bove are possible

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Questions 24

GSM band re-cultivation deployment of NB-loT needs to adopt () method?

Options:

A.

Stand-alone deployment .

B.

In-band deployment

C.

Protection belt deployment

D.

Low-band deployment

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Questions 25

In the field of smart home, smart ONT can also be based on USB Dongle extension, providing a variety of Basic Access CapA, Bilities for the Internet of Things, including Zig-bye/Z-wave. Through the unification of access standards, it will be possible to integrate smart devices from different manufacturers.

Options:

A.

Correct .

B.

Error

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Questions 26

A ilecontroller and the gateway successfully connect, querying the connection status on the gateway shows is ()?

Options:

A.

certified

B.

enA, Ble

C.

alive

D.

connected

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Questions 27

In the following options, the minimum operating unit for competing system resources is ()?

Options:

A.

Memory

B.

Task

C.

Semaphore

D.

Interrupt

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Questions 28

Among the following options, the main features of Huawei's lighting IoT solution are ()? (Multiple choice)

Options:

A.

On-demand lighting to reduce the energy consumption of street lamps

B.

Efficient and low-cost connection of massive street lights

C.

Reduced installation and maintenance costs

D.

Guarantee the reliA, Ble operation of the system

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Questions 29

In order to detect the parking space status faster, the higher the frequency detected by the detector, the better.

Options:

A.

Correct

B.

Error .

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Questions 30

The smart home network includes a basic home network and a smart interconnection network.

Options:

A.

Correct

B.

Error

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Questions 31

The following technologies are not LPWA (multiple choice)

Options:

A.

Lora

B.

WiFi

C.

NB-loT

D.

Elit-loT

E.

Zigbee

F.

RFID

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Questions 32

Device (gateway and sensor) management is () a feature of portal?

Options:

A.

SP Portal .

B.

Operation

C.

Service Issuance Portal

D.

OSS manages Portal

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Questions 33

What are theplug-ins on the home smart gateway ()? (Multiple choice)

Options:

A.

Driver

B.

Agent .

C.

Protocol plugins

D.

Application plugin

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Questions 34

What is the memory management algorithm supported by Huawei LiteOS ()?

Options:

A.

BOX algorithm

B.

Budd algorithm

C.

OPT algorithm

D.

LUR algorithm

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Questions 35

CoAP protocol message format is simple, messages can be very short, using longconnections, there is a heartbeat preservation mechanism.

Options:

A.

Correct

B.

Error

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Questions 36

The description of the Northbound app registration direct connection device, incorrect is ()?

Options:

A.

When registering a direct-attached device, nodeid recommends using the MAC address of the device

B.

Register direct-attached device interface, which can be used not only to register direct-attached devices, but also to register non-direct-attached devices .

C.

When registering a direct-attached device, there is no timeout setting if timeout is set to 0

D.

After registering a direct-attached device interface call, if the binding is not completed within the timeout range, the device registration will be invalidated

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Questions 37

The task status of Huawei LiteOS does not include the following () types?

Options:

A.

Run

B.

Ready

C.

Blocking

D.

Wait

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Questions 38

APP scan code need to get () information? (Multiple choice)

Options:

A.

Longitude

B.

Latitude

C.

Device name

D.

Server IP address

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Questions 39

If you do not open an account for a loT device on the OceanConnect platform, the device will fail to register with OceanConnect.

Options:

A.

Correct

B.

Error

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Questions 40

The positioning in the refinery can be completed by the positioning of the basestation.

Options:

A.

Correct

B.

Error

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Questions 41

Ar5 02E Gateway only supports Zigbee and RF wireless communication interfaces, not RS485 and Ethernet interfaces.

Options:

A.

Correct

B.

Error

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Questions 42

Huawei Intelligent Gateway is an OSGI-based open platform, where hardware driver plug-ins and application plug-ins can be dynamically installed, started, upgraded, and uninstalled (plug and play), installed by users, and centrally controlled by operators.

Options:

A.

Correct

B.

Error

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Questions 43

What is the unit of the parameter of the delay interface LOS_TaskDelay ()?

Options:

A.

second

B.

ms

C.

us

D.

Tick .

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Questions 44

When a task is suspended. If the current task is locked, it cannot be suspended.

Options:

A.

Correct

B.

Error

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Questions 45

What are the common data reporting scenarios in the Internet of Vehicles application ()? (Multiple choice)

Options:

A.

Location information reporting

B.

Bus data reporting

C.

Statistical data reporting

D.

Event data reporting

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Questions 46

In Huawei's lighting IoT solution, the standard for adaptation is to follow the following () standards?

Options:

A.

IEC62056

B.

ANSIC21

C.

IEC61850

D.

ANSI C136.41

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Questions 47

Among the following options, the problem that is not a smart manhole cover can deal with is ()?

Options:

A.

The manhole cover is missing

B.

The communication cA, Ble is missing

C.

Personnel go down the well without permission

D.

Pavement flooding

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Questions 48

What are the benefits that smart inspection cannot achieve ()?

Options:

A.

Improve the efficiency of inspection

B.

Reduce the burden on workers

C.

Improve worker safety

D.

Improving the production process

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Questions 49

Does the Huawei LiteOS Kernel kernel contain the following () modules? (Multiple choice).

Options:

A.

Task Management

B.

Memory management

C.

Interrupt Management

D.

Queue management

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Questions 50

The maximum coupling line loss (MCL) for NB-loT is ()Db?

Options:

A.

144

B.

154

C.

164 .

D.

174

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Questions 51

During the development of Huawei LiteOS, what is the correct description ()?

Options:

A.

link accessories need to be selected according to thedevelopment board .

B.

Keil debugging, printf function does not need to be redirected

C.

LiteOS does not have its own boot files

D.

All three of the A, Bove are

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Questions 52

In Huawei's smart street light solution, the street light platform can performthe following () operations on the AR501L1Rc controller? (Multiple choice).

Options:

A.

Switch

B.

Dimming

C.

Plan

D.

Collect data

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Exam Code: H12-111_V2.5
Exam Name: HCIA-IoT V2.5 Exam
Last Update: Jun 19, 2024
Questions: 174
$64  $159.99
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