H13-831-ENU Certification Exam Dumps Questions in here [Oct-2022]
Updated H13-831-ENU Exam Practice Test Questions
NEW QUESTION 92
After customers purchase basic cloud services such as HUAWEI CLOUD ECS and EVS, they deploy an open source MSQL database on ECS. When it is found that the SQL read and write of the database is slow.
Which of the following descriptions are correct about how users deal with referrals? (Multiple choice)
- A. The customer database is slow to read and write. The preliminary analysis is that the hard disk is slow to read and write. If the hard disk fails to meet the promised performance indicators, report the failure to Huawei engineers for assistance.
- B. The customer will check which MySQL table is slow to read and write and create a new index if the appropriate index is not established.
- C. In order to solve the problem as soon as possible, the customer does not need to analyze the problem and directly report the problem to Huawei engineers for solution.
- D. The customer database is slow to read and write. The initial analysis is that the network delay is large. If there is a bandwidth bottleneck within the bandwidth purchase range, report the failure to a Huawei engineer for assistance.
Answer: A,B,D
NEW QUESTION 93
Huawei Cloud CDM supports the migration of the entire database but does not support the migration of database objects such as stored procedures, triggers, functions, and views.
- A. True
- B. False
Answer: A
NEW QUESTION 94
What is the default scheduling mode of Spark Job?
- A. FIFO
- B. LIFO
- C. FAIR
- D. Specify at runtime
Answer: A
NEW QUESTION 95
When users implement the migration project, which of the following measures can reduce the risk of data inconsistency? (Multiple choice)
- A. Before the migration, the customer should make a backup of the source data.
- B. Stop source-end business writing before migration to ensure that the migrated data is the full amount of data.
- C. After the migration is completed, check whether the destination and source data are consistent.
- D. Full synchronization with multiple incremental synchronizations, the last synchronization needs to stop the source-side business writing.
Answer: A,B,C,D
NEW QUESTION 96
Which of the following source database engines does Huawei Cloud DRS support? (Multiple choice)
- A. PostgreSQL
- B. SQL Server
- C. MongoDB
- D. MySQL
Answer: A,B,C,D
NEW QUESTION 97
Which of the following description is wrong about Huawei Cloud DAS data management service?
- A. Huawei Cloud DAS can view the client address currently connected to Huawei Cloud RDS cloud database.
- B. Huawei Cloud DAS currently only supports the management of MySQL, Microsoft SQL Server, and DDS engines
- C. Huawei Cloud DAS can manage the self-built MySQL database on Huawei Cloud ECS
- D. Huawei Cloud DAS can support cross-region access in Huawei Cloud.
Answer: D
NEW QUESTION 98
For services with high data consistency requirements, when performing database port switching, which of the following switching strategies should be selected?
- A. Consistency first
- B. Feasibility first
- C. Availability first
- D. Reliability first
Answer: A
NEW QUESTION 99
Huawei Cloud can provide a complete operation and maintenance solution. After the user deploys the system on Huawei Cloud, he does not need to consider remote maintenance troubleshooting.
- A. False
- B. True
Answer: A
NEW QUESTION 100
Which of the following features does the HUAWEI CLOUD BMS bare metal service support? (Multiple choice)
- A. Can use custom network.
- B. OS automatically issued without installation.
- C. EVS cloud disk can be mounted.
- D. Local disk storage can be used.
Answer: A,B,C,D
NEW QUESTION 101
Which of the following statements about the matching relationship between the evaluation method and implementation method of data secure transmission are correct? (Multiple choice)
- A. Data has not been modified - data is encrypted.
- B. Data has not been modified - summary of information.
- C. Trusted data source - digital signature
- D. Reliable data source - information summary
Answer: B,C
NEW QUESTION 102
When a user uses the HUAWEI CLOUD ELB service to distribute load to multiple ECS instances, which of the following methods can be used to obtain the real IP address of the requesting user? (Multiple choice)
- A. Layer 4 services can be obtained directly without additional configuration.
- B. Layer 4 services can be obtained by installing the TOA plug-in on the back-end server to obtain the visitor's real IP.
- C. Layer 7 services can be obtained directly without additional configuration.
- D. The 7th layer service can obtain the visitor's real IP through Http Header: X-Forwarded For.
Answer: B,D
NEW QUESTION 103
Which of the following types of clusters does Huawei Cloud CCE Cloud Container Engine support? (Multiple choice)
- A. Windows container cluster
- B. Virtual machine cluster
- C. GPU container cluster
- D. Bare Metal Machine
Answer: A,B,C,D
NEW QUESTION 104
The ECS elastic cloud server automatically created by the HUAWEI CLOUD AS Elastic Scaling Service will not be scheduled to the dedicated host.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 105
Which of the following big data components are provided in the HUAWEI CLOUD MRS streaming computing cluster? (Multiple choice)
- A. MapReduce
- B. Storm
- C. Flume
- D. Kafka
Answer: B,C,D
NEW QUESTION 106
Huawei Cloud ELB is a load balancing service that distributes traffic to multiple ECS instances. Supports four-layer and seven-layer forwarding protocols.
When the four-layer service is loaded, which of the following methods is mainly used to distribute the traffic to the ECS instance?
- A. Distribution strategies and rules set in ELB.
- B. Really meaningful application layer content in the message
- C. The destination IP address and port in the message
- D. Source P address and port in the message
Answer: D
NEW QUESTION 107
Hive allows users to use SQL statements to query the data stored in the Hadoop cluster.
- A. True
- B. False
Answer: A
NEW QUESTION 108
Which of the following features can be provided by HUAWEI CLOUD Application Operation and Maintenance Management AOM? (Multiple choice)
- A. Host monitoring
- B. Log management
- C. Container monitoring
- D. Application monitoring
Answer: A,B,C,D
NEW QUESTION 109
Which of the following descriptions about the source and destination networks of the DRS migration database are correct? (Multiple choice)
- A. When the source mySQL database and the target RDS cloud database are not in the same VPC, DRS automatically opens up the VPC network connection.
- B. DRS can migrate both relational databases and non-relational databases such as MonoDB.
- C. When the local database is moved to the Huawei public cloud, it can be migrated by means of VPN interoperability.
- D. When the databases of other public cloud platforms are migrated to HUAWEI CLOUD, they can be migrated by public IP interoperability.
Answer: A,B,C,D
NEW QUESTION 110
Huawei Cloud ServiceStage is a one-stop microservice cloud application platform. Through this platform, the efficiency of DevOps can be greatly improved, allowing enterprises to focus on business innovation and deployment. At present, which of the following operating environments does ServiceStage support? (Multiple choice)
- A. Docker
- B. Tomcat
- C. PHP
- D. Python
Answer: A,B,C,D
NEW QUESTION 111
Which of the following fields is most suitable for using Huawei Cloud CCE cloud container engine service? (Multiple choice)
- A. Hybrid cloud applications
- B. Microservice application
- C. Elastic scaling application
- D. High-performance AI computing applications
Answer: A,B,C,D
NEW QUESTION 112
HUAWEI CLOUD big data processing platform usually uses the tags of computing resources and storage resources together to realize the support of heterogeneous devices in the Hadoop cluster.
The following description of the effects of these two scheduling strategies, which one is wrong?
- A. Through the storage resource label, online application data can be stored in the HDFS directory of the SAS disk node, and offline application data can be stored in the HDFS directory corresponding to the SATA disk node.
- B. Computing resource label scheduling is a feature of Yarm, and storage resource scheduling is a feature of HDFS.
- C. The tags of computing resources and storage resources are usually used together to allow designated applications to access computing and data resources across nodes.
- D. Through the computing resource label, Spark jobs can be scheduled to run on large memory nodes, while MR job scheduling runs on standard memory nodes
Answer: C
NEW QUESTION 113
Which of the following is not a problem with the monolithic architecture?
- A. All modules of the monolithic architecture are all coupled together, the amount of code is large, and the maintenance is difficult.
- B. The code of each module of the monolithic architecture is developed with different technologies, resulting in huge technical debts.
- C. All modules of the monolithic architecture share a database with a single storage method.
- D. The monolithic architecture is a completely closed architecture, and the system is highly complex and cannot be scaled on demand.
Answer: C
NEW QUESTION 114
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