H13-821_V3.0 Exam Questions

In the cloud log LTS service, log groups and log streams are the basic units for log management. In the following descriptions about log groups and log streams, which items are wro...

With the rapid development of the Internet industry, customer data is crucial to an enterprise. Data protection from attacks and rapid recovery after data failure have become impor...

Huawei cloud server ECS supports multiple billing methods, including yearly/monthly subscription, pay-as-you-go, and bidding. When a user wants to change the billing mode after pur...

An enterprise already has its own enterprise management system, and now it migrates its IT infrastructure to Huawei Cloud. In order to reduce migration costs, the company hopes tha...

In the era of continuous cloudization, applications using distributed micro-service architecture are becoming more and more abundant, and the number of users is growing explosively...

A peering connection refers to a network connection between two VPCs. In the following descriptions about the peering connection between VPCs created under the same account and the...

The process of microservice engine CSE registration discovery is described as follows: (1) When the microservice starts, it will register the instance information to CSE, including...

The data encryption service DE7 can effectively help users manage data security on HUAWEI CLOUD. There are currently three application scenarios as follows, and the following three...

Under the same specifications, which of the following types of ECS instances has the strongest computing performance?

Which of the following descriptions about the product architecture of the document database service DDS replica set is wrong?

SpringBoot is designed to simplify the initial construction and development process of applications in the Istic architecture. The framework simplifies configuration files, etc., a...

ROMA Connect supports integrated conversion between data with the same structure, but does not support integrated conversion between heterogeneous data.

RPO is the data recovery point objective, which mainly refers to the amount of data loss that the business system can tolerate. RO is the recovery time objective, which mainly refe...

Cloud network service IAT gateways are divided into public network AT gateways and private network MAT gateways. In order to save elastic public network IP resources and avoid clou...

The cloud monitoring service CES can collect log data of hosts and cloud services. After collecting logs, the log data can be displayed in a simple and orderly manner on the cloud...

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 feat...

If there is no special control on the traffic direction of the subnet, and the default IPC intranet intercommunication, the default routing table can be used, and there is no need...

Host security service HSS is a service provided by HUAWEI CLOUD to customers in order to improve the overall security of hosts. It only supports the use of hosts deployed on HUAWEI...

Business migration to the cloud is to build an IT Infrastructure resource pool through "hardware resource pooling + fully integrated software + fully automated operation" to achiev...

A scaling policy can trigger scaling activities, which is a way to adjust the number of instances or bandwidth in a scaling group. The scaling policy specifies the conditions that...

An Internet company has deployed a new business system through Huawei Cloud, and now needs to set different access permissions for employees to achieve permission isolation between...

A customer's business system is deployed on Huawei Cloud. Due to business needs, it is necessary to open up networks between different departments in the same area. It is planned t...

The cloud hard disk service EVS adopts a highly secure encryption algorithm to encrypt data on the user's cloud hard disk, snapshots, and backups, and the application is unaware. T...

HUAWEI CLOUD database HySQL supports cross-AZ high availability. If the main database fails, it will start fault detection three times and pull it up. If it cannot be pulled up, it...

Data replication service DRS supports data circulation between multiple data sources, complete capabilities of real-time migration, backup migration, real-time synchronization, dat...

The cloud container engine CCE service implements cloud storage service access capabilities based on the Kubernetes community container storage interface (CSI, Container Storage In...

Although microservices have obvious advantages, they also bring certain problems. For example, the number of developed services increases, remote calls are slower, and there is alw...

The cloud audit service CTS can be used in conjunction with the function workflow service FunctionGraph to jointly provide the key operation notification function, and the notifica...

A smart park cloud needs to access a large number of video surveillance probes, receive data uploaded by various devices on the cloud device management platform, and remotely monit...

When designing the system architecture, in order to make complex business modules cooperate more closely and achieve parallelism of multiple tasks, the architecture should be as ti...

A customer purchased the auto scaling service. When the customer enabled the scaling policy for the created scaling group, he found that not only one scaling policy could be enable...

Compared with hardware-based self-deployment, deploying web applications on the cloud has the following advantages: 1. Rapid deployment and agile expansion, 2. Dynamic BGP links wi...

The instance removal strategies currently supported by the auto scaling service include four methods. They are: earlier created instance, later created instance, earlier created in...

Creating an encrypted image is divided into creating an encrypted image through an external image file and an encrypted elastic cloud server. When creating an encrypted image throu...

Elastic File Service SFS is a stable, secure, efficient, and easy-to-use cloud storage service that can store unstructured data in any quantity and form. The elastic file service S...

An Internet company uses Huawei Cloud to deploy its web services. It can use the object storage service OBS to store dynamic files, and use the elastic file service SFS to store st...

Dedicated enterprise storage service DESS is a dedicated storage service based on Huawei's enterprise storage. It can provide performance and reliability consistent with enterprise...

Management Detection and Response MDR combines Huawei's more than 30 years of security experience to establish a security risk management and control system for customers consistin...

Cloud container engine service CCE provides highly scalable and high-performance enterprise- level Kubernetes clusters and supports running Docker containers. With the help of clou...

Service Mesh is a specialized infrastructure layer that handles service communication. Its responsibility is to perform reliable request transmission under the complex topology of...

Enterprise Service Bus (ESB) can provide reliable message transmission, service access, protocol conversion, data format conversion, etc., and content-based routing and other funct...

In the model training session, you can create training jobs through ModelArts. After the training is complete, the system will generate a model and automatically download it locall...

In the configuration of Situational Awareness SA, the maximum host quota refers to the maximum number of authorized detection hosts. It is recommended that the maximum host quota n...

The working node in the cloud container engine service CCE is the basic element of the container cluster. The node depends on the business. It can be a virtual machine or a physica...

When a user purchases an elastic cloud server, various virtualization software can be installed on the cloud server. Not only that, it also supports the creation of virtual machine...

The instance types provided by ApsaraDB for MySQL not only support stand-alone and active/standby, but also support MHA (Master High Availability) high availability.

In the Prometheus+Grafana open source operation and maintenance solution, Frometheus mainly plays the role of data collection, and Grafana is responsible for displaying the collect...

In the Serverless mode, the cloud platform is responsible for managing the startup, execution and usage of microservice functions, and users need to configure the computing resourc...

The Docker image contains the packaged application and the environment it depends on (such as CPU, memory and other resources), it contains the file system and other metadata avail...

SDRS, a storage disaster recovery service, has the advantages of data consistency, highly cost performance, flexible configuration, and simple operation. Among them, data consisten...