Q74. After migrating the traditional architecture to the cloud, proper use of HUAWEI CLOUD products can significantly improve performance. The following is a description of each product and scenario. Please match the application scenario with the applicable service product.

Q75. HUAWEI CLOUD provides public network NAT gateway service and private network NAT gateway service.
When using the public network NAT gateway, you need to pay attention to its constraints and limitations. In the following description of the precautions for the public network NAT gateway, which one is wrong?

Q76. A car company deploys its business on HUAWEI CLOUD and uses two primary and secondary servers. Which of the following methods can provide high-availability services to the outside world?

Q77. Which of the following descriptions about SOA architecture and microservice architecture are correct? (Multiple choice)

Q78. An Internet company purchased the public network MAT gateway service. When configuring gateway specification parameters, there are four specifications to choose from.
Considering the company’s own business needs and economic interests, assuming that there are 8,000 daily active users and 40,000 active users during the activity period, which of the following two specifications is more suitable for the company’s business needs? (Multiple choice)

Q79. Huawei Cloud host migration service SMS has the characteristics of smooth migration, efficient transmission, good compatibility, and high security. Regarding the compatibility of SMS, which of the following hosts does SMS support to migrate to Huawei Cloud? (Multiple choice)

Q80. An Internet company has purchased the load balancing service ELB and is going to configure Layer 7 port forwarding rules.
Combined with business characteristics, which of the following types of ELB specifications are correct? (Multiple choice)

Q81. Huawei Cloud Distributed Message Service RocketlQ version is fully compatible with the open source RabbitlQ, providing users with features such as out-of-the-box, rich message features, flexible routing, high availability, monitoring, and alarms.

Q82. Dedicated distributed storage service DSS provides customers with exclusive physical storage resources, and provides high availability, durability, and stable low-latency performance through multiple technologies such as data redundancy and cache acceleration.
Which of the following scenarios applicable to the dedicated distributed storage service DSS is wrong?

Q83. Cloud database for RDS can support four database engines: MySQL, PostgreSQL, Oracle and Microsoft SQL Server.

Q84. High-performance computing elastic cloud servers can provide massive parallel computing resources and high-performance infrastructure services to meet the requirements of high-performance computing and other scenarios.
Which of the following descriptions about the applicable scenarios of high-performance computing ECSs are correct? (Multiple choice)

Q85. Architectural high availability refers to improving the availability of systems and applications by minimizing the downtime caused by routine maintenance operations and sudden system crashes.
Which of the following options is not a high-availability architecture design?

Q86. An e-commerce customer’s business system is deployed on Huawei Cloud. In order to meet the needs of multiple cloud servers to share files, the operation and maintenance personnel plan to realize the sharing of business data by mounting the NFS file system.
Which of the following descriptions about the prerequisites for mounting NFS are correct? (Multiple choice)

Q87. SDRS, a storage disaster recovery service, has the advantages of data consistency, highly cost performance, flexible configuration, and simple operation. Among them, data consistency can be achieved by synchronous replication and asynchronous replication of data

Q88. The four deployment models of mainstream cloud computing are: public cloud, community cloud, private cloud and ().

Q89. Cloud container instance service CCI provides serverless container (serverless container) introduction, so that users can run containers directly without creating and managing server clusters. In the following description about cloud container instance service CCI, which one is wrong?

Q90. Through the Huawei application service grid ASM service, users can easily and quickly complete the entire process of grayscale publishing. Which of the following process descriptions about grayscale publishing is correct?
check mark
1: Add a grayscale version
2: The original version is offline
3: Confirm that the status of the grayscale version is normal
4: Check that the grayscale version is online normally (confirm the numbers of instances/number of available instances)
5. Pass the verification and use the grayscale release version
6: Configure the canary grayscale strategy

Q91. A company uses the ECS service on Huawei Cloud. In order to ensure high availability of the service and achieve the effect of switching to other availability zones immediately after a certain availability zone fails, it is recommended for tenants to use it. Which of the following Huawei Cloud services?

Q92. After an Internet company uses the microservice framework to develop a project, it plans to release it online. It currently plans to use grayscale release. Which of the following description about grayscale release is wrong?

Q93. In the Kibrnetes cluster, the controller Pod is the smallest deployment unit that can be created, scheduled and managed.
The controller Pd refers to a single container application instance.
Generally, for security reasons, only one container instance runs in the same Pod.

Q94. A user’s website is deployed on Huawei Cloud, and the public network ELB is used as the load balancer. Multiple ECS instances in the ELB backend server group are configured with the same weight, but the actual ECS instance loads are different.
Which of the following is the most likely cause?

Q95. The main functions of Huawei Cloud Resolution Service include public network domain name resolution, intranet domain name resolution, reverse resolution, smart line resolution, resolution records, auditing, and other functions. Among them, through cloud audit, the operation events related to the cloud analysis service can be recorded, which is convenient for future query, audit and return to the lake. In the cloud audit service management console, any operation record can be viewed or exported.

Q96. In the Huawei Cloud security protection framework, in addition to using security protection products to ensure the security and operation and maintenance security of the infrastructure in the architecture, which of the following factors need to be considered? (Multiple choice)

Q97. In the actual production environment, security management on the cloud is often performed by configuring security groups and network ACLs.
For security groups and network ACLs, which of the following descriptions about the differences between the two are correct? (Multiple choice)