Free H13-831 Exam Dumps Preview

In the verification and acceptance stage of application cloud services, which of the following tasks is the responsibility of the customer, and HUAWEI CLOUD needs to cooperate with the verification?

The implementation of cloud-native applications is usually based on a microservice architecture.

Which of the following descriptions of the underlying implementation technologies of the microservice architecture are correct? (Choose three)

If a user deploys an application through Kubernetes, and needs to collect monitoring information for each node's operation, this can be achieved by starting a DaemonSet on all nodes to run the monitoring daemon.

Function Workflow (FunctionGraph) is a serverless computing service provided by HUAWEI CLOUD.

When using the Cloud Eye Service (CES) for monitoring, you cannot see the monitoring data.

Which of the following descriptions represent incorrect causes of this issue? (Choose two)

The business of a game company is deployed using the HUAWEI CLOUD Cloud Container Engine (CCE), and the connections established by the game are long-lived.

Which of the following load balancing algorithms is recommended when creating an ELB listener?

A customer purchases both HUAWEI CLOUD and a third-party cloud (ECS, EIP, VPC, and other cloud service resources) to deploy its e-commerce network.

As an expert in HUAWEI CLOUD Operations & Maintenance (O&M), you need to comprehensively monitor the customer's business operation resources. It is recommended that the customer activate HUAWEI CLOUD Application O&M Management Service (AOM).

When the customer uses AOM, which of the following features can be implemented? (Choose four)

Which of the following statements correctly describe the hardware foundation and components that enhance the performance of HUAWEI CLOUD? (Choose three)

As a distributed large-scale resource scheduling system at the foundation of the cloud, HUAWEI CLOUD Qingtian Smart Cloud Brain includes the following core subsystems: data collection and docking subsystem, data storage and service subsystem, data analysis and modeling subsystem, resource pool management subsystem, and service innovation subsystem.

Which of the following descriptions of Pods in a HUAWEI CLOUD CCE cluster is incorrect?

ConfigMap is used to apply configuration files and parameters to the container, similar to container storage, by mounting a volume to pass the configuration file into the container.

If a company uses the RDS for MySQL service on HUAWEI CLOUD and finds that the disk space of the RDS instance is full due to increasing data volume, which of the following methods can be used? (Choose two)

Virtual Private Network (VPN) service is used to establish a secure and encrypted public network communication tunnel between remote users and the Virtual Private Cloud (VPC). When creating a VPN gateway, you need to create an EIP as the gateway IP of the VPN.

HUAWEI CLOUD MapReduce Service MRS provides real-time distributed computing racks for analysis and calculation of massive real-time data streams, and in the elevator networking industry, smart elevator data can be uploaded to the MRS streaming cluster in real time for real-time monitoring. The system needs to support access from starfish data sources and collect data in real time. Which of the following components do you need to include when planning the MRS cluster? Multiple selection HUAWEI CLOUD MapReduce Service (MRS) provides real-time distributed computing clusters for analyzing and processing massive real-time data streams. In the smart elevator networking industry, elevator data can be uploaded to the MRS streaming cluster in real time for real-time monitoring.
The system must support access from diverse data sources and perform real-time data collection.

Which of the following components should be included when planning the MRS cluster? (Choose two)

When you use HUAWEI CLOUD SMS Service to migrate a host with 500 GB of data, the bandwidth at the source is 20 Mbit/s.

How long will it theoretically take to complete the migration?

Cloud Data Migration (CDM) supports incremental migration of file data sources. When a job is running, you can export all new files, only specific directories or files, or incrementally export files after a specified time.

Which of the following descriptions of the "Two-City, Three-Center" disaster recovery solutions are correct? (Choose four)

A startup company is mainly engaged in live broadcast business, and the mobile live broadcast is based on the HLS protocol (HTTP-based streaming media transmission protocol).
To ensure the quality of live streaming, which of the following solutions is recommended for tenants?

When creating a DRS backup migration task, which of the following can serve as backup file sources? (Choose two)

A company is an Internet product development company. The company's architect decides to use the grayscale release strategy to iterate the product version.

Which of the following options cannot be used as a reason for adopting the grayscale release strategy?

The unique advantages of the HUAWEI CLOUD DynaSky architecture enable users to obtain a consistent experience with the central cloud in the Intelligent Edge Station (IES). The network, operating environment, and management system are consistent with the edge cloud, and the VPC is deployed across the center

and edge to facilitate service and data collaboration in multiple scenarios.

Which of the following descriptions about the Intelligent Edge Station (IES) is incorrect?

Technological development promotes the process of enterprise cloudification. As the foundation of IT, infrastructure continues to face technological changes during the cloudification process.

Which of the following descriptions of infrastructure capabilities at different stages is correct?

If a tenant needs to deploy a core application on HUAWEI CLOUD, which of the following services are recommended? (Choose two)

Which of the following is not an optimization practice for low-latency services?

ModelArts inference includes automatic learning, model management, deployment, and go-live functions.
ModelArts training includes inference, dedicated resource pool training, and development environment features.

A news category of an information platform app currently serves hundreds of millions of users daily, publishes millions of posts per day (including text, images, and videos), and generates about 4 billion daily views.

As the business scale expands, the original services - deployed on HUAWEI CLOUD ECS - are managed using numerous scripts and software packages. Because of the large variety and quantity of services, onboarding workloads are heavy, expansion speed is slow, and O&M pressure grows exponentially,
seriously affecting business development.

Assuming you are a HUAWEI CLOUD O&M expert, which of the following strategies would you recommend to completely address the customer's pain points? (Choose two)

Which of the following items are optimization measures for data access in low-latency services? (Choose four)

When using Cloud Data Migration (CDM), the following potential threats may exist:

Internet threats: Malicious users may attack CDM through the CDM control console.

Data center threats: Malicious CDM administrators may attempt to obtain users' data source access information.

Malicious user threats: Malicious users may steal other users' data.

Data exposure threats: Data leakage may occur when data is migrated over the public network.

To mitigate these risks, which of the following mechanisms does CDM provide to help protect end users? (Choose four)

An enterprise deploys a set of microservice applications on HUAWEI CLOUD that are sensitive to access latency. In its daily operations and maintenance work, the enterprise typically uses Application Performance Management (APM) to analyze transactions with slow response times to improve user experience.

Which of the following descriptions about the operation of the transaction interface are correct? (Choose three)

In the early technical selection of a big data offline batch processing platform, which of the following big data components does not belong to the offline batch processing business scenario?

Under the auction (Spot) billing mode, users can purchase and use ECS instances at discounted prices, but the system will automatically release ECS resources when inventory is insufficient or market prices rise.

Which of the following business types is not suitable for using Spot instance strategies?

HDFS as a distributed file system has many use scenarios.
The following descriptions of HDFS usage scenarios -- which of the following items are correct? (Choose three)

Operating expenses (Operating Expense, OPEX) refer to the ongoing, consumable expenditures required to run a business, as opposed to capital expenditures (Capital Expenditure, CAPEX).

Which of the following is not considered OPEX?

In the cloud migration solution for the financial industry, which of the following descriptions about the advantages of the financial zone solution is incorrect?

Which of the following is not a main security requirement of customers for cloud migration?

An enterprise business platform needs to open a mutual access channel between two VPCs.

Which of the following methods is the most cost-effective?

A company has multiple branches, and the current network of the branches generally uses 192.168.X.X private CIDR blocks, and the IP addresses overlap with each other. The company hopes to interconnect the network of each branch and the headquarters network, minimizing the impact on business and completing the interconnection as soon as possible while ensuring security.

Which of the following technologies or methods is recommended to complete the relevant configuration?

Which of the following descriptions correctly distinguish the differences between the Dedicated Distributed Storage Service and the Elastic Volume Service (EVS)? (Choose three)

Unpredictable access traffic is the norm for game applications.
Containerized deployment of game applications can leverage the second-level elastic scaling feature of containers to reduce resource costs. HUAWEI CLOUD CCE provides flexible auto-scaling policies.

Which of the following configurations are correct? (Choose two)

An insurance company's business system is currently experiencing high query pressure.
To solve this problem, it has adopted the GaussDB (for MySQL) read/write splitting function.
Currently, there are four primary nodes and four read-only nodes.
Under the system's default read-weight allocation rules, the default weight of each read-only instance is
400.

A company plans to migrate to the cloud and now needs to migrate its offline business to the cloud. After investigation, it has identified two possible solutions: migration using the SMS Host Migration Service and migration through image import.

Which of the following comparative analyses of the two methods is correct?

The business of an Internet enterprise is growing rapidly. Although its application has implemented database sharding, the amount of data in a single table of the corresponding MySQL database continues to increase, resulting in longer query times and decreased throughput.

Which of the following optimization methods should be used to solve this problem?

Object Storage Service (OBS) uses distributed data fault tolerance technology known as Erasure Code (EC) to ensure high data reliability and data security.

Which of the following descriptions of EC technology are incorrect? (Choose two)

After an ODay vulnerability appears, it is necessary to summarize protection measures in a timely manner based on the ODay vulnerability POC. Fine-grained protection policies are configured through the Web Application Firewall (WAF) to restrict how vulnerabilities can be exploited and to prohibit external IP addresses from accessing or probing vulnerability-related URLs. This is a web application security measure.

Fill in the blank

A product is considered highly reliable, meaning its _________ is very large, indicating that it rarely fails.
However, if the product has poor serviceability, and takes a long time to recover from a failure, meaning its
_________ is large, then the product is still not highly available.

If the service release cycle is short, the scalability requirements are high, and the service is not allowed to be interrupted when upgrading and expanding, we recommend that you use the following architecture to deploy the service.

HUAWEI CLOUD Data Migration (CDM) does not support which of the following data source types?

Creating an application in a CCE cluster supports mounting multiple types of cloud storage volumes, including shared storage types where multiple servers can mount the same file system. Supported cloud storage types include EVS disk volumes, Extreme File Storage volumes, Object Storage volumes, and File Storage volumes.

Users are using a private image of Windows Server 2012 R2 Datacenter 64-bit created on an Elastic Cloud Server (ECS). Although the Host Monitoring Agent is installed, the management console still shows the plug-in status of the cloud service as "Not Installed."
After checking the client agent logs, it is found that the signing time and server time differ significantly.
This issue can be resolved by configuring each ECS to use the HUAWEI CLOUD NTP server address in the NT service settings.

In HUAWEI CLOUD, you can quickly restore services and data from backups to ensure normal service operation in which of the following scenarios? (Choose three)

ROMA Connect supports direct storage and analysis of data reported by devices.
It also allows users to configure data forwarding rules through the rule engine, enabling device data to be forwarded to other cloud services for storage, analysis, or business application processing.

The main server migration service (SMS) is a P2V/V2V migration service. When using this service to migrate a server, the destination and source parameters will change.

Which of the following descriptions is correct?

For a critical application, the customer requires the deployment of a fault-tolerant architecture that can achieve RTO = 0. Plan to choose C6 2xlarge, four types of elastic ECSs. It is estimated that at least six

ECSs are required for this service.

From an architect's point of view, which of the following architectures can meet the above requirements and provide the best overall capabilities?

The service O&M optimization process on HUAWEI CLOUD, based on years of business practice, follows the sequence: Risk Identification Analysis Phase Sorting Stage Rectification and Optimization.

An enterprise uses CDN for webpage acceleration and needs to add CNAME resolution to the domain name system during CDN configuration.
This CNAME resolution record corresponds to which of the following service addresses?

With the rapid growth of user access, when the system database encounters a performance bottleneck, you can perform read/write separation.
According to the AKF expansion cube method, this practice is based on which of the following expansion dimensions?

In order to facilitate the rapid iteration of game container images, which of the following technical capabilities is recommended for companies to build?

Fill in the blank

HUAWEI CLOUD Data Express Service (DES) is a data transfer service designed for moving terabytes to hundreds of terabytes of data to the cloud. It supports both data transmission methods and disk-based data import through _________.

In a three centers in two regions disaster recovery solution on the cloud, if the production and disaster recovery centers deploy RDS DB instances separately, the database uses an RDS primary/standby mode across databases in the same city and across AZs, and uses DRS (Data Replication Service) across regions to implement RDS database synchronization.

HUAWEI CLOUD Elastic Load Balancer provides a session persistence feature.

Which of the following policies is not a session persistence policy used by HUAWEI CLOUD Load Balancer?

In the elevator networking industry, real-time collection and monitoring of elevator data is crucial.

Which of the following components can achieve real-time data collection and provide diverse collection and storage connection methods?

If you configure an ECS host in a HUAWEI CLOUD VPC subnet and want hosts in other subnets of the same VPC to use it as a NAT proxy, but the configuration does not work, which of the following is the most likely cause?

When using HUAWEI CLOUD Object Storage Migration Service (OMS) to migrate data, the migration is listed in lexicographical order by default according to the selected prefix. Whether newly added data can be migrated successfully during the migration process depends on whether the migration task has completed the listing of related objects when they were added.

Traditional applications typically have poor scalability, resulting in low availability and limited concurrency.

Which of the following distributed application techniques can be used to solve these problems? (Choose four)

A customer uses URL authentication to prevent unauthorized access to customer services and makes the following request:

http://www.test.com/Filenamey-efeabcdefaac7d15edfc6ec8aeffee2cb

When the CDN server receives this request, which of the following checks will be performed? (Choose three)

Kubernetes (K8S) occupies a dominant position in the container orchestration market, and more and more enterprises are adopting K8S clusters as their service operating environments. Cluster security has received increased attention because actions such as scanning container images, running business containers in privileged mode, and enabling role-based access control (RBAC) in K8S clusters all pose potential security risks.

In the BMS service + Object Storage (OBS) separation solution, this not only represents the decoupling of resources but also the decoupling of software, which supports standalone maintenance, installation, deployment, and upgrades.

The HUAWEI CLOUD Data Lake Exploration Service (DLI) is applicable to which of the following scenarios? (Choose three)

Enterprise A needs to store a large number of static website files but does not want to invest significant manpower or resources in storage management.
Therefore, the enterprise enables Object Storage Service (OBS) to host static websites.

If a custom domain name is used to access these static resources, which of the following descriptions about OBS static website hosting configuration are incorrect? (Choose two)

Huawei's Unified Architecture for Government Big Data Centers supports massive data analysis scenarios and the processing of multiple data sources.

Which of the following descriptions are correct? (Choose four)

Game latency is one of the main constraints in the development of cloud gaming. Among the causes, operation network transmission delay and video network backhaul delay account for the largest proportion of the end-to-end latency.

After the host connection configuration is completed, a user does not collect logs through the Log Service.
Regarding the possible causes of this issue, which of the following descriptions is incorrect?

When evaluating migration risk strategies, business correlation analysis is required. Business correlations and dependencies can be analyzed by collecting customer source information, organizing business architecture, and analyzing business relationships and dependencies.

Fill in the blank

In massive data analysis scenarios in the environmental protection industry, you can activate the HUAWEI CLOUD MapReduce Service (MRS) to use Object Storage Service (OBS) for low-cost storage.

You can then use _________ to perform terabyte-or petabyte-scale data analysis, and export the results to Data Warehouse Service (DWS) using the visual import and export tool Loader to complete BI analysis.

HUAWEI CLOUD MapReduce Service (MRS) builds big data clusters based on containers and is deployed and managed through HUAWEI CLOUD to provide Hadoop system services. Hadoop clusters can be deployed with one click.