H13-821 Online Practice Questions and Answers

The architect is provided with a drawing specification, which can accurately describe the architecture of a system with only one picture.

A. Error

B. Correct

Which of the following is not an advantage of containers (single choice)

A. Fine-grained resource isolation by sharing the kernel

B. Defines delivery and deployment specifications for environment-independent standards

C. Use Hypervisior for more efficient utilization of hardware resources Correct

D. Quick start and stop in seconds

Microservices, compared to traditional monolithic architecture, can solve which of the following problems? ()

A. high maintenance costs,

B. long delivery cycle,

C. poor code quality,

D. poor scalability,

E. long rookie training cycle

Which of the following is the function of Huawei Cloud Distributed Cache DCS Service?

A. Asynchronous decoupling between modules

B. Horizontal database expansion

C. Key-Value data cache

D. Mass transaction

What are the four cloud-native applications? ()

A. DevOps

B. continuous delivery

C. container

D. microservices

Based on Application Orchestration Service (AOS), it can realize the automatic operation and maintenance of applications.

A. Wrong

Compared with virtual machine clusters in bare metal private cluster application scenarios, container deployment density has improved significantly.

A. Yes

Huawei Cloud Application Performance Management Service completes application performance data collection by installing a collection agent on the node where the application is located. The collection agent is based on the industry's Pinpoint open source project and uses the JVM bytecode enhancement technology to achieve non-intrusive collection of application indicators. APM does not support the

application of which of the following technology stacks?

A. JAVA

B. C ++

Huawei's PaaS layer applications are divided into: GPaaS and APaaS

A. Right

B. False

Today's digital transformation of various industries faces comprehensive integration challenges. Huawei's ROMA integration platform can support

A. "ABCD" is fully integrated. What does "B" mean?

B. Devices: cross-device integration, device-to-device, OT and IT convergence

C. Application: cross-application integration, application-to-application, data, message, API, process integration siness: cross-enterprise business integration, cross-enterprise data exchange

D. Clouds: cross-cloud integration, collaboration between public cloud, private cloud, and multi-cloud

Huawei Cloud Distributed Database Middleware DDM Service is a distributed database access service that is used as a front-end. [Multiple choice questions]

A. DCS

B. DMS

C. RDS

D. Oracle

Which of the following features of linux does the resource limitation of docoker use?

A. namespace

B. SELinux

C. Cgrou

D. aufs

On the Huawei cloud application operation and maintenance topology map, different colors represent the

health of the instance. The colors are determined by the Apdex value. The closer the Apdex value is to 1,

the healthier the application is.

If an application instance is not called by another application. Then its color is () [multiple choice questions]

A. green

B. Gray

C. yellow

D. red

Huawei CCE Cloud Container Engine currently only supports Huawei FusionSphere and open source OpenStack.

A. True

B. False

What benefits can the microservices architecture bring? ()

A. The boundaries of service modules are clearer: microservices emphasize modular structure (REST interface calls), which is very important for large teams.

B. Support independent deployment: Simple services are easier to deploy. Because services are autonomous, they do not cause system crashes if problems occur.

C. simple operation and maintenance: stateless, self-service operation and maintenance make the system without a mature operation and maintenance team (mechanism), which greatly saves costs.

D. Allow technology diversity: With microservices, you can mix and match multiple programming languages, development frameworks, and data storage technologies