1168 お客様のコメント
質問 1：
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. Create multiple ELEs in the same region (Region) to provide external services through DNS polling, thereby improving local availability.
B. The ECS at the back end of the ELB instance can be machines in different availability zones, thereby improving local availability.
C. It is impossible to avoid a single point problem caused by the failure of the ELB service itself.
D. Create multiple instances of B in different regions and provide services to external parties through DNS polling to improve cross-regional availability.
正解：D
質問 2：
Huawei CDN supports website acceleration,File download acceleration,On-demand acceleration and site-wide acceleration.
A. False
B. True
正解：B
質問 3：
A company uses ECS services on Huawei Cloud. In order to ensure high service availability and achieve the effect of switching to other availability zones as soon as an availability zone fails, which of the following Huawei Cloud services is recommended for tenants?
A. Cloud server backup CSBS
B. Cloud service disaster recovery service CBS
C. Storage disaster recovery service SDRS
D. Cloud hard disk backup VBS
正解：C
質問 4：
When an e-commerce platform uses the ServiceStage gray release function, there is no need to stop the upgrade, and within a period of time, the new and old versions will provide services online at the same time.
A. False
B. True
正解：B
質問 5：
After a user has purchased a Huawei Cloud ECS elastic cloud server with CentOS 7.2 operating system.
Which of the following operations does not violate Huawei Cloud ECS usage restrictions?
A. Upgrade the operating system version from Cent Os 7.2 to Cent OS 7.3
B. Uninstall ECS hardware driver.
C. Modify the kernel startup parameters of the operating system.
D. Modify the MAC address of the ECS network card in the network card configuration file.
正解：A
質問 6：
HUAWEI CLOUD AOM application operation and maintenance management can monitor the key indicators of the application to reflect the application status. Which of the following description about application monitoring indicators are correct? (Multiple choice)
A. Application traffic (raffic) is used to measure how busy components and systems are.
B. The error rate of the application (errors) can reflect the misconfiguration in the infrastructure.
C. Application saturation (saturation) can reflect the load of server resources.
D. Application latency (latency) refers to the total time required to receive the response.
正解：A,B,C,D
質問 7：
Which of the following fields is most suitable for using Huawei Cloud CCE cloud container engine service? (Multiple choice)
A. Elastic scaling application
B. High-performance AI computing applications
C. Microservice application
D. Hybrid cloud applications
正解：A,B,C,D
質問 8：
A company uses the RDS for mysql service of HUAWEI CLOUD. As the amount of data increases, the disk of the RDS instance is found to be full. Which of the following methods can be used to solve it? (Multiple choice)
A. Change the storage type to super high 10, and then expand the disk capacity.
B. Expand the disk storage space size.
C. You can delete useless historical table data to free up space.
D. If the binlog log file occupies too much, you can contact a technician to clear the local binlog log to free up disk space.
正解：B,C,D
質問 9：
Which of the following descriptions about Huawei Cloud DDS cluster architecture (Sharding) is wrong?
A. shard is fragmented assembly, the user can choose to create 2 to 12 shard nodes, may be followed according to the elastic expansion demand, adjust the size.
B. mongos routing node, the user can choose to create 2-12 months mongos nodes, then the node may add or delete according to the demand, adjust the size.
C. HUAWEI CLOUD DDS cluster is divided into community version and community enhanced version, and the community enhanced version cluster adopts a storage and computing separation architecture.
D. config is the configuration node, each cluster fixed one config, default specifications for the 2-core /
4G / 20GB of disk space, and the size can be changed.
正解：D
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. Create multiple ELEs in the same region (Region) to provide external services through DNS polling, thereby improving local availability.
B. The ECS at the back end of the ELB instance can be machines in different availability zones, thereby improving local availability.
C. It is impossible to avoid a single point problem caused by the failure of the ELB service itself.
D. Create multiple instances of B in different regions and provide services to external parties through DNS polling to improve cross-regional availability.
正解：D
質問 2：
Huawei CDN supports website acceleration,File download acceleration,On-demand acceleration and site-wide acceleration.
A. False
B. True
正解：B
質問 3：
A company uses ECS services on Huawei Cloud. In order to ensure high service availability and achieve the effect of switching to other availability zones as soon as an availability zone fails, which of the following Huawei Cloud services is recommended for tenants?
A. Cloud server backup CSBS
B. Cloud service disaster recovery service CBS
C. Storage disaster recovery service SDRS
D. Cloud hard disk backup VBS
正解：C
質問 4：
When an e-commerce platform uses the ServiceStage gray release function, there is no need to stop the upgrade, and within a period of time, the new and old versions will provide services online at the same time.
A. False
B. True
正解：B
質問 5：
After a user has purchased a Huawei Cloud ECS elastic cloud server with CentOS 7.2 operating system.
Which of the following operations does not violate Huawei Cloud ECS usage restrictions?
A. Upgrade the operating system version from Cent Os 7.2 to Cent OS 7.3
B. Uninstall ECS hardware driver.
C. Modify the kernel startup parameters of the operating system.
D. Modify the MAC address of the ECS network card in the network card configuration file.
正解：A
質問 6：
HUAWEI CLOUD AOM application operation and maintenance management can monitor the key indicators of the application to reflect the application status. Which of the following description about application monitoring indicators are correct? (Multiple choice)
A. Application traffic (raffic) is used to measure how busy components and systems are.
B. The error rate of the application (errors) can reflect the misconfiguration in the infrastructure.
C. Application saturation (saturation) can reflect the load of server resources.
D. Application latency (latency) refers to the total time required to receive the response.
正解：A,B,C,D
質問 7：
Which of the following fields is most suitable for using Huawei Cloud CCE cloud container engine service? (Multiple choice)
A. Elastic scaling application
B. High-performance AI computing applications
C. Microservice application
D. Hybrid cloud applications
正解：A,B,C,D
質問 8：
A company uses the RDS for mysql service of HUAWEI CLOUD. As the amount of data increases, the disk of the RDS instance is found to be full. Which of the following methods can be used to solve it? (Multiple choice)
A. Change the storage type to super high 10, and then expand the disk capacity.
B. Expand the disk storage space size.
C. You can delete useless historical table data to free up space.
D. If the binlog log file occupies too much, you can contact a technician to clear the local binlog log to free up disk space.
正解：B,C,D
質問 9：
Which of the following descriptions about Huawei Cloud DDS cluster architecture (Sharding) is wrong?
A. shard is fragmented assembly, the user can choose to create 2 to 12 shard nodes, may be followed according to the elastic expansion demand, adjust the size.
B. mongos routing node, the user can choose to create 2-12 months mongos nodes, then the node may add or delete according to the demand, adjust the size.
C. HUAWEI CLOUD DDS cluster is divided into community version and community enhanced version, and the community enhanced version cluster adopts a storage and computing separation architecture.
D. config is the configuration node, each cluster fixed one config, default specifications for the 2-core /
4G / 20GB of disk space, and the size can be changed.
正解：D
Shiraishi -
よく出題されるパターンを徹底分析した予想問題集ですね。Pass4Testさん、また来ますよ。