H12-111_V3.0-ENU 試験問題と解答 - 模擬練習 - 練習問題・模擬試験

Question No : 1
Which of the following descriptions about dynamic memory and static memory in Huawei LiteOS is correct? (Multiple choice)

A.Dynamic memory allocates memory blocks of a user-specified size from a corresponding memory pool.
B.Dynamic memory is essentially an array of objects.
C.Static memory is a memory block allocated from the corresponding memory pool at a user-initialized preset size.
D.In static memory, all memory blocks are linked together using a linked list, and the memory block head retains the management structure.

正解:

Question No : 2
What is the protocolType field in the platform's Profile file when a terminal uses an NB-IoT solution for access?

A.ZigBee
B.Z-Wave
C.MQTT
D.CoAP

正解:

Question No : 3
Which of the following options is NOT part of the "N" in the Huawei LiteOS 1+N architecture?

A.Sensing Frame
B.Interconnect Engine
C.Security Framework
D.Open API

正解:

Question No : 4
NB-IoT evaluates network coverage using which of the following KPI indicators?

A.RSRP
B.SINR
C.Overlap Coverage
D.PSM

正解:

Question No : 5
In Huawei LiteOS, what is the name of the interface for releasing a mutex lock?

A.osal_mutex_lock
B.osal_mutex_nolock
C.osal_mutex_create
D.osal_mutex_unlock

正解:

Question No : 6
Which of the following options is used to query the module's unique identifier, the IMEI number?

A.AT+CGATT?
B.AT+CGSN
C.AT+CGSN=1
D.AT+CGATT=1

正解:

Question No : 7
Which of the following MQTT topic notations does NOT match huawei/+/temperature?

A.huawei/livingroom/temperature
B.huawei/bathroom/temperature
C.huawei/livingroom/sensor-1/temperature
D.huawei/bedroom/temperature

正解:

Question No : 8
Which of the following MQTT protocol control message types allows messages to flow bidirectionally between the server and the client?

A.PUBLISH
B.SUBSCRIBE
C.DISCONNECT
D.CONNECT

正解:

Question No : 9
Which of the following MQTT topic representations can be used to represent the devices in any apartment A room?

A.F1at-20/Room-A
B.+/Room-A
C.F1at-20/#
D.F1at-20/+/Temperature

正解:

Question No : 10
Which of the following technologies is used for NB-IoT uplink and downlink respectively?

A.OFDMA, GMSK
B.SC-FDMA, OFDMA
C.GMSK, SC-FDMA
D.SC-FDMA, PSK

正解:

Question No : 11
Which of the following is the AT command to check if the NB-IoT module is successfully connected to the network?

A.AT + CGSN = 2
B.AT+CGSN=3
C.AT + CGATT = ?
D.AT+CGATT=1

正解:

Question No : 12
Which of the following options is NOT performed through the SP Portal?

A.Rule Management
B.Asset Management
C.View SP user details
D.Application Management

正解:

Question No : 13
A certain type of network attack can cause network servers to be flooded with a large number of requests for responses, consuming bandwidth and causing the network or system to stop normal service. Which of the following attack types matches the description above?

A.File sharing
B.Refusal to provide service
C.Remote Procedure Call
D.BIND vulnerability

正解:

Question No : 14
Which of the following is NOT a requirement for an IoT operating system? (Multiple choice)

A.Network Requirements
B.Open source requirements
C.Management Requirements
D.Connection requirements

正解:

Question No : 15
Which of the following statements about the various portals on the OceanConnect platform are correct? (Multiple choice)

A.Operation Portal is geared towards operator configuration and maintenance personnel.
B.SP Portal port number is 8643
C.SP Portal allows configuration of network element connection parameters.
D.The OSS portal includes a business side and an administrative side.

正解:

Huawei H12-111_V3.0-ENU 問題練習