[Q12-Q34] Free H13-831-ENU Exam Files Downloaded Instantly UPDATED [2022] : Exams Labs Braindumps : http://blog.examslabs.com

NO.12 Which of the following is not the operating mode of Spark?

Local

Spark on Mesos

Spark on Tez

Spark on Yarn

NO.13 When the user uses the Huawei Cloud AOM service. Which of the following Agent plug-ins must be installed?

SMS Agent

IC Agent

Telescope

DIS Agent

NO.14 HUAWEI CLOUD ServiceStage application performance analysis provides powerful analysis tools. So that users can quickly locate fault points and bottlenecks. In addition to tools such as call chain, transaction application status, call process, etc., what other charting tools can be used?

Flow chart

Topology

Mind chart

UML chart

NO.15 When a user configures an ECS host in a HUAWEI CLOUD VPC subnet and wants hosts in other subnets under the same VPC to use it as a NAT proxy, but finds that this configuration has not successfully met the requirements, which of the following statement is correct?

Turn off the source/destination IP address check switch of the ECS host.

Need to bind the elastic public IP to all ECS hosts.

Add a new network interface bound to the subnet to the NAT proxy host.

Add a network interface bound to the NAT proxy subnet to other hosts.

NO.16 After customers purchase basic cloud services such as HUAWEI CLOUD ECS and EVS, they deploy an open source MSQL database on ECS. When it is found that the SQL read and write of the database is slow.
Which of the following descriptions are correct about how users deal with referrals? (Multiple choice)

The customer will check which MySQL table is slow to read and write and create a new index if the appropriate index is not established.

The customer database is slow to read and write. The preliminary analysis is that the hard disk is slow to read and write. If the hard disk fails to meet the promised performance indicators, report the failure to Huawei engineers for assistance.

The customer database is slow to read and write. The initial analysis is that the network delay is large. If there is a bandwidth bottleneck within the bandwidth purchase range, report the failure to a Huawei engineer for assistance.

In order to solve the problem as soon as possible, the customer does not need to analyze the problem and directly report the problem to Huawei engineers for solution.

NO.17 To create a Tomcat-based web application in ServiceStage, which deployment systems can be selected? (Multiple choice)

Virtual machine deployment

Bare metal deployment

Cloud container engine deployment

Cloud container instance deployment

NO.18 When a company chooses to use VPN to access resources on the cloud, it needs to have a fixed public IP address to establish a connection with Huawei Cloud.

True

False

NO.19 When a startup company uses the CCE cluster service of HUAWEI CLOUD, when creating a workload, which of the following HUAWEI CLOUD storage services can tenants use? (Multiple choice)

OBS Object Storage

SFS file storage

SFS Turbo extremely fast file storage

EVS cloud hard drive

NO.20 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

NO.21 Loader not only supports importing data from outside the MRS cluster, but also supports exporting data from the MRS cluster to external systems.

TRUE

FALSE

NO.22 Hive allows users to use SQL statements to query the data stored in the Hadoop cluster.

True

False

NO.23 When the user performs the following operations on the HUAWEI CLOUD ECS elastic cloud server. Which item requires ECS to take effect?

Add a data disk.

The console resets the system administrator user password.

Install the ICAgent client

Change from on-demand billing to monthly billing

NO.24 A customer uses the ECS service of HUAWEI CLOUD. In order to share files on the ECS instance with other ECS instances more conveniently, which type of storage service is recommended for tenants?

Exclusive distributed storage service DSS

Cloud hard disk EVS

Resilient File Service SFS

Storage disaster recovery service SDRS

NO.25 Huawei Cloud CDM supports the migration of the entire database but does not support the migration of database objects such as stored procedures, triggers, functions, and views.

True

False

NO.26 A hospital customer plans to deploy some heterogeneous computing services on HUAWEI CLOUD. Which of the following ECS accelerated instance types given for business scenarios is unreasonable?

Use G1 type GPU graphics acceleration ECS deployment of a medical image recognition service

Use P1 type PGA to accelerate ECS acceleration instance deployment gene sequencing business.

Use Ai1 type AI accelerate ECS instances deployed electronic voice business cases.

Use SFS Turbo flexible file service to store large-capacity medical images.

NO.27 If the bandwidth of the WAF purchased by the tenant is less than the actual business traffic. It may cause the tenant’s business to be unavailable, stuck, or delayed for a certain period of time.

True

False

NO.28 Which of the following statements about Pods in a HUAWEI CLOUD CCE cluster is wrong?

Pod corresponds to a container instance.

Pod is the smallest deployment unit that Kubernetes can create, schedule, and manage.

Pod is scheduled to the Node node and remains on this node until it is destroyed.

Containers in the same Pod share the same network namespace, IP address and port space and volume.

NO.29 When users use HUAWEI CLOUD AOM to manage the operation and maintenance of the microservice system. Need to establish the mapping between AOM business model and actual resources. Which of the following description about the mapping relationship are correct? (Multiple choice)

An elastic cloud server corresponds to the “host” in the AOM business model.

Corresponding to the “instance” in the AOM business model for a microservice.

a kubernetes of P0D correspond AOM business model of “service”.

ELB elastic load balancing service corresponds to the “middleware” in the AOM business model.

NO.30 When users use the HUAWEI CLOUD ELB service, they can use the health check to determine the availability of the back-end elastic cloud server ECS instance.
For Layer 4 services (UDP protocol), which of the following methods is used by an ELB instance to determine the availability of an ECS instance?

Special characters in the content of the message returned by the server of the ECS instance.

The number of bytes returned by the server of the ECS instance.

Whether the port check has timed out.

The status code returned by the server of the ECS instance.

NO.31 Which of the following are the benefits of microservices? (Multiple choice)

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

Support independent deployment. Simple services are easier to deploy. Since the services are autonomous, the system will not crash after a problem.

Programming is easier. The development threshold of microservices is lower. Simpler operation and maintenance

Allow technical diversity. With microservices, multiple programming languages, development frameworks and data storage technologies can be mixed.

NO.32 What kind of loading mechanism is used to load the implementation class of the HttpServerFilter extension mechanism into the user microservice?

Sprine Bean loading mechanism

SPI loading mechanism

Maver configuration file loading mechanism

Customize XL configuration file loading mechanism.

NO.33 The operation and maintenance personnel of an enterprise reported that they often suffer from irregular Web attacks recently. The enterprise administrator hopes that after the website is attacked, the system will automatically trigger the pre-defined script or protection command to realize the automatic protection of the website.
Which of the following types of secure cloud services can meet the above demands of enterprises?

Vulnerability scanning service

Enterprise host security

Bastion machine

Security situation awareness

NO.34 Which of the following is not a capability of the ” Cloud DBA” function of HUAWEI CLOUD RDS instances?

Database engine check

Database hardware tuning

Database deadlock check

Emergency restart of the database