[Q74-Q90] Certification Training for H13-831 Exam Dumps Test Engine [2022]

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Certification Training for H13-831 Exam Dumps Test Engine [2022]

May 08, 2022 Step by Step Guide to Prepare for H13-831 Exam

NEW QUESTION 74
A customer maintains three HUAWEI CLOUD ECS instances. Now the customer wants to share the data of one EcS with other ECS instances. Which of the following options can meet the above requirement?

Uninstall the cloud disk on the original ECS instance, then copy the cloud disk and mount it on the new BCS instance.

In the original ECs instance do a snapshot, and then create a cloud-based snapshot and mount the hard drive to the new ECS on an instance.

Copy the data on the original ECS instance to the new ECS through the data express service.

Create an image file through the original ECS service, and then create a new ECS through the image file.

NEW QUESTION 75
When the user is using APM application performance monitoring. The APM probe needs to be installed. Which of the following descriptions about the APM probe is wrong?

APM probe currently only supports JAVA and PHP application types.

The APM probe is based on the industry’s Pirgpolnt open source project, which is actually a JavaAgent

The principle of the APM probe is to inject the necessary tracking code during class loading.

APM probe collects application indicators non-invasively.

NEW QUESTION 76
Because stand-alone RDS has certain limitations in processing large quantities of data, a company decided to use Huawei Cloud DDM distributed middleware + RDS instance to solve the problems of limited stand-alone RDS expansion capabilities and slow database response. Which of the following description about the advantages of DDM distributed middleware + RDS instance over stand-alone RDS are correct? (Multiple choice)

separate read and write, the user can read the data in accordance with the pressure load for each RDS instance configuration – one or more read-only instance, improve query concurrency.

Data distributed storage, DDM adopts a horizontal split method to split a single database with a large number of data records according to specified rules, and distributed storage to each partition.

High performance, DDM instance associates multiple RDS nodes, and realizes parallel computing at the same time.

Horizontal expansion, DDM supports new RDS instances without interrupting business, and horizontal expansion of storage space.

NEW QUESTION 77
In the following description of the performance indicators of Huawei Cloud heterogeneous computing, which one is not an indicator that GPU heterogeneous computing needs to pay attention to?

NVLink bandwidth

Single chip precision number

Memory bandwidth

Resolution

NEW QUESTION 78
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.

True

False

NEW QUESTION 79
A certain company’s business is often attacked by foreign countries, Hong Kong, Macau, Taiwan and China, and it is found through analysis.
1: Foreign, Hong Kong, Macao and Taiwan attack traffic accounted for 90%, and domestic attack traffic accounted for 10%.
2: Effective visit traffic from foreign countries, Hong Kong, Macao and Taiwan accounted for 5%, and domestic effective visit traffic accounted for 95%.
Therefore, the company’s management decided that foreign, Hong Kong, Macao and Taiwan users will follow up to visit the company’s business through the new domain name.
Which of the following options can quickly and effectively help this company block attacks or access to the original domain name by traffic from foreign countries, Hong Kong, Macao and Taiwan?

DDOS high defense

VNGFW

Network ACL

Anti-DdoS

NEW QUESTION 80
Which of the following scenarios describes the X- axis horizontal expansion capability of the AKF expansion cube? (Multiple choice)

An e-commerce application runs multiple instances during peak business periods and uses clusters to load balance front-end traffic.

The number of passenger visits to a ride-hailing application increased, and the passenger services in the ride-hailing application were separated independently and expanded on demand.

In order to ensure the reliability of data, a financial company deploys the database in a master-backup mode to achieve high reliability of the database.

The number of users of an Internet company has increased sharply, and users are distributed in multiple areas. According to the user distribution area, multiple clusters have been established in Beijing, Shanghai, Sichuan and other places.

NEW QUESTION 81
A customer in the VPC in an ECS (bound EIP) on the deployment of the SNAT service for the entire VPC provides the ability to access the public network, for which the custom route adds a default route (destination address 0.0.0.0 /0), the next hop is the ECS with the SNAT service deployed. At this time, if you bind EIP to another ECS in the VPC, what will happen?

The ECS can access the public network, but it cannot be determined by SMAT service or EIP access.

The ECS can’t access the public network because of the clutter in the routing.

The ECS can access the public network through the bound EIP.

The ECS can continue to be deployed by the SNAT services ECS access the public network.

NEW QUESTION 82
When using a Huawei Cloud RDS instance, users can configure an appropriate parameter group for the instance according to actual business needs. In which of the following situations, the RDS parameter group cannot be changed? (Multiple choice)

The RDS instance is restarting, changing specifications, or in an abnormal state.

There is only one parameter group corresponding to the RDS instance database engine.

The RDS instance is in the process of being restored.

The RDS instance is editing the parameter group.

NEW QUESTION 83
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)

CES

Lts

AOM

APM

NEW QUESTION 84
To construct the project on DevCloud directly on ServiceStage, which of the following methods should be used for construction?

Built based on the ARM environment.

Build based on source code.

Build based on software package.

Build based on Maven.

NEW QUESTION 85
HUAWEI CLOUD big data processing platform usually uses the tags of computing resources and storage resources together to realize the support of heterogeneous devices in the Hadoop cluster.
The following description of the effects of these two scheduling strategies, which one is wrong?

Through the computing resource label, Spark jobs can be scheduled to run on large memory nodes, while MR job scheduling runs on standard memory nodes

The tags of computing resources and storage resources are usually used together to allow designated applications to access computing and data resources across nodes.

Through the storage resource label, online application data can be stored in the HDFS directory of the SAS disk node, and offline application data can be stored in the HDFS directory corresponding to the SATA disk node.

Computing resource label scheduling is a feature of Yarm, and storage resource scheduling is a feature of HDFS.

NEW QUESTION 86
An e-commerce website is bound to experience a sudden increase in traffic during the promotion season. When the existing resources are insufficient, you can choose to close or abandon some unimportant and poor-performance services to avoid occupying resources. In order to ensure that the main business functions are normal, which of the following microservice governance methods is implemented by this mechanism?

Load balancing

Fault tolerance:

Current limit

Downgrade

NEW QUESTION 87
What security measures are included in the Huawei Cloud DRS data replication service? (Multiple choice)

Power isolation

System hardening

Use SSL channel

Use security groups

NEW QUESTION 88
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?

Authorization public

Connection

Etag

X-Forwarded-For

NEW QUESTION 89
Regarding the characteristics of microservices, which of the following descriptions is correct? (Multiple choice)

Calling between services through interfaces

Interaction between services through a unified ESB

Use unified technology and language to build microservices.

Each microservice is independent and decoupled.

NEW QUESTION 90
The company uses CSE’s SDK to develop microservices offline.
In order to register microservices with Huawei Cloud CSE, which of the following operations can be performed? (Multiple choice)

Configure the dependency on tcse-solution service-engine in the pom file.

Modify the address of the service center in the microservice. yaml file.

Add the username and password information of the tenant in the microservice. yaml file.

Add the tenant’s AK/SK key information in the microservice.yaml file.