All Obstacles During H13-831 Exam Preparation with H13-831 Real Test Questions
Fully Updated Free Actual Huawei H13-831 Exam Questions
NEW QUESTION # 104
How to avoid single points of problems caused by the failure of the ELB service itself when users design the network architecture on HUAWEI CLOUD
- A. The ECS at the back end of the ELB instance can be machines in different availability zones, thereby improving local availability.
- B. Create multiple instances of B in different regions and provide services to external parties through DNS polling to improve cross-regional availability.
- C. It is impossible to avoid a single point problem caused by the failure of the ELB service itself.
- D. Create multiple ELEs in the same region (Region) to provide external services through DNS polling, thereby improving local availability.
Answer: B
NEW QUESTION # 105
If you use the Huawei cloud ELB instance, and created 7-layer protocol listeners based on htpt https, which field of head did back-end server go through to get real IP address of visitors?
- A. Authorization public
- B. Etag
- C. X-Forwarded-For
- D. Connection
Answer: C
NEW QUESTION # 106
What is the default scheduling mode of Spark Job?
- A. LIFO
- B. Specify at runtime
- C. FAIR
- D. FIFO
Answer: D
NEW QUESTION # 107
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 will check which MySQL table is slow to read and write and create a new index if the appropriate index is not established.
- B. 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.
- 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 # 108
The user is preparing to containerize the existing business system and deploy the business in the HUAWEI CLOUD CCE cluster. Compared with traditional applications, what advantages will the new system bring to users when the new system is launched? (Multiple choice)
- A. Architectural explanation, multiple different development languages can be used in the same system.
- B. There are rich affinity and anti-affinity scheduling strategies.
- C. IaaS layer resources such as HUAWEI CLOUD ECSIVPCEVS can be integrated.
- D. Station-based deployment and operation and maintenance
Answer: A,B,C,D
NEW QUESTION # 109
The following cloud services related to operation and maintenance provided by HUAWEI CLOUD, which services can obtain the CPU utilization of the host? (Multiple choice)
- A. AOM
- B. APM
- C. Lts
- D. CES
Answer: A,B,D
NEW QUESTION # 110
Distributed computing framework MapReduce is used for parallel computing of large-scale data sets. Which scenarios are mainly suitable for? (Multiple choice)
- A. Data calculation scenarios with low latency requirements
- B. Data calculations that do not require high latency.
- C. Real-time interactive computing scenarios
- D. Offline batch computing scenario
Answer: A,B,D
NEW QUESTION # 111
Which of the following description about the Service object model on Kubernetes is wrong?
- A. Kubernets Services does not support multiple ports.
- B. may define the Endpoint in Service, the Service and Pod dynamically connected in Endpoint.
- C. Kubernetes supports two service discovery methods: environment variables and DNS.
- D. Kubernetes Services supports TCP and UDP protocols, the default is TCP.
Answer: A
NEW QUESTION # 112
Which of the following types of clusters does Huawei Cloud CCE Cloud Container Engine support? (Multiple choice)
- A. GPU container cluster
- B. Bare Metal Machine
- C. Windows container cluster
- D. Virtual machine cluster
Answer: A,B,C,D
NEW QUESTION # 113
OBS dump logs must be based on log groups.
- A. True
- B. False
Answer: B
NEW QUESTION # 114
In the big data offline processing scheme architecture, the batch processing engine is used to achieve high-performance offline batch processing job operation.
Which of the following HUAWEI CLOUD big data offline batch processing engines can be used to process SQL jobs?
- A. Spark SQL
- B. MapReduce
- C. Spark
- D. Hive
Answer: A
NEW QUESTION # 115
Flume is a distributed, highly reliable, and highly available mass data aggregation system. Which of the following are the features of Flume? (Multiple choice)
- A. Support resumable transmission and data caching
- B. Support Flume Server to automatically pull up abnormally.
- C. Support encrypted transmission and non-encrypted transmission
- D. Support cascading, multiple Flume cascading to achieve load balancing and reliability.
Answer: A,B,C,D
NEW QUESTION # 116
Tenants can use IAM's identity provider to interface with their original identity authentication system. This completes the copying and automatic creation of account information.
- A. False
- B. True
Answer: B
NEW QUESTION # 117
Which of the following description about HUAWEI CLOUD FunctionGraph is correct?
- A. Function execution can be triggered through API and cloud product event sources.
- B. The function can be elastically expanded according to the amount of request during the execution process. But users need to configure expansion rules.
- C. FunctionGraph is a serverless architecture cloud service product.
- D. FunctionGraph charges based on the number of uses.
Answer: C
NEW QUESTION # 118
After a user changes the step array of a Huawei Cloud RDS read-only instance, other instances in the cluster will also synchronize this change.
- A. False
- B. True
Answer: B
NEW QUESTION # 119
Which of the following scenarios is suitable for HUAWEI CLOUD BMS bare metal servers?
- A. High-performance database
- B. GPU heterogeneous computing
- C. Expansion of own data center
- D. SAP HANA in- memory database
Answer: A,B,C,D
NEW QUESTION # 120
Hive allows users to use SQL statements to query the data stored in the Hadoop cluster.
- A. False
- B. True
Answer: B
NEW QUESTION # 121
Which of the following options does Huawei Cloud Database Security Service support for protection? (Multiple choice)
- A. Self-built database under the cloud
- B. Examples of distributed database middleware
- C. Containerized database on the cloud
- D. RDS cloud service instance
Answer: A,B,D
NEW QUESTION # 122
Which of the following synchronization methods does the MySQL database support? (Multiple choice)
- A. Semi-synchronous
- B. Real-time synchronization
- C. Semi-asynchronous
- D. Asynchronous
Answer: A,D
NEW QUESTION # 123
Which of the following scenarios does the Huawei Cloud DRS service not support online migration?
- A. Migrate from the user's local Oracle database to RDS for PostgreSQL.
- B. Migrate the HUAWEI CLOUD DDS instance to the user's local MongoDB database.
- C. Migrate the sharded cluster MongoDB database to the DDS community edition cluster.
- D. Use VPN network to migrate SQL Server to RDS for MySQL on HUAWEI CLOUD
Answer: D
NEW QUESTION # 124
Which of the following descriptions about the source and destination networks of the DRS migration database are correct? (Multiple choice)
- A. When the databases of other public cloud platforms are migrated to HUAWEI CLOUD, they can be migrated by public IP interoperability.
- B. DRS can migrate both relational databases and non-relational databases such as MonoDB.
- C. 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.
- D. When the local database is moved to the Huawei public cloud, it can be migrated by means of VPN interoperability.
Answer: A,B,C,D
NEW QUESTION # 125
If the database instance of a Huawei Cloud tenant is under an unknown attack, which of the following methods is recommended for the tenant administrator to complete the creation of the database firewall policy?
- A. Database firewall
- B. Learning mode
- C. Risk-based IPS/IDS
- D. Cannot automatically create security policies for existing attacks.
Answer: B
NEW QUESTION # 126
The business of a company continues to develop, and the amount of data continues to accumulate, and data has become an important asset.
The company needs to provide data support for decision-making through data analysis and mining to make decision-making more scientific. Which of the following services can achieve this goal?
- A. Table storage service CloudTable
- B. Real-time stream computing CS
- C. Data Warehouse Service DWS
- D. Cloud Data Migration Service CDM
Answer: C
NEW QUESTION # 127
Which of the following descriptions about the principles of HDFS and the role of each module are correct? (Multiple choice)
- A. Secndary NameNode assists NameNode and shares its workload. In case of emergency. It can be used to help restore NameNode. However, Secondary NameNode is not a hot standby of NameNode.
- B. DataNode is a slave node, responsible for storing actual data. Perform reading and writing of data blocks and report storage information to the NameNode
- C. NameNode is the Master node. Responsible for managing HDFS name space and data block mapping information.
- D. Client is responsible for accessing and interacting with NameNode, obtaining file location information: interacting with DataNode, reading and writing data.
Answer: A,B,C,D
NEW QUESTION # 128
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