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H13-811_V3.0 Questions and Answers

Question # 6

Faced with massive multi-dimensional spatio-temporal data, fast data access is required. Which of the following services is most suitable for storage?

A.

Real-time streaming computing service Cloudstrear

B.

Data Warehouse Service

C.

Cloud Data Migration Service CDM

D.

Table storage service Cloudtable

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Question # 7

cloud dedicated line service is a dedicated line network service that establishes a connection between local data centers and public clouds, What types of dedicated lines are currently only supported by cloud dedicated lines?

A.

IP Sec VPN

B.

OSPFVPN

C.

MPLS VPN

D.

SSL VPN

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Question # 8

Cloud monitoring parameter configuration is in progress, Which of the following notification methods are included in the alarm notification?

A.

HTTPPOST

B.

HITPSPOST

C.

Email

D.

SMS notification

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Question # 9

What types of protocols does the elastic load balancing system support?

A.

HTTPS

B.

TCP

C.

UDP

D.

HTTP

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Question # 10

The number of snapshots of the cloud disk will affect the performance of the cloud disk.

A.

True

B.

mistake

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Question # 11

After creating an elastic cloud server, What can be modified?

A.

Modify bandwidth

B.

Modify the elastic public network IP address

C.

Modify cloud server name

D.

Modify private ip address

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Question # 12

The cloud hard drive backup service can create backups for cloud hard drives, and use the backup data to roll back the cloud hard drives to maximize the accuracy and safety of user data and ensure your data security.

A.

True

B.

mistake

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Question # 13

What usage methods does the object storage service support?

A.

Management console

B.

obscmd

C.

OBS Browser

D.

PI & SDK

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Question # 14

Which of the following is wrong about the description of purchasing a physical leased line?

A.

It is recommended that you consult with the operator about the access plan and pricing plan before purchasing a dedicated line for self-service.

B.

If you want to create a managed line, you can only choose the partner purchase method.

C.

Self-purchase method After purchasing a physical dedicated line, there is no need to contact the operator to construct access to equipment in the computer room.

D.

The physical dedicated line supports both partner purchase and self-service purchase.

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Question # 15

Which of the following types of attacks can be prevented by the Anti-DDos traffic cleaning service?

A.

SYN Flood attack

B.

HTTP Get/Post Flood attack

C.

TCP connection exhaustion attack

D.

Malformed package

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Question # 16

HUAWEI CLOUD Elastic Cloud Server connects to the public network(Internet) What are the ways?

A.

Cloud monitoring

B.

NAT gateway

C.

Elastic public network ip

D.

Elastic load balancing

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Question # 17

What advantages does the gateway play to realize the digital transformation of enterprises?

A.

Improve system performance

B.

Ensuring the security of information assets

C.

Accelerate business agility

D.

Stimulate application innovation

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Question # 18

Which of the following services can be used in conjunction with Elastic Scaling?

A.

Flexible file service

B.

Elastic Cloud Server

C.

Cloud monitoring

D.

Elastic load balancing

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Question # 19

ModelArts supports automatic learning to achieve zero A1Infrastructure AIModel.

A.

True

B.

False

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Question # 20

What lines does DDoS Anti-DDoS currently support?

A.

telecommunications

B.

move

C.

BGP line

D.

Unicom

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Question # 21

Cloud Disk is a virtual block storage service based on a distributed architecture that can be flexibly expanded.

A.

True

B.

mistake

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Question # 22

After the relational database is successfully created, if the size of the specifications (CPU and memory) does not meet the requirements, the specifications can be changed.

A.

True

B.

mistake

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Question # 23

Elastic scaling service is based on the user's business needs, A service that automatically adjusts its business resources through strategies.

A.

True

B.

False

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Question # 24

What are the ways to create a private image?

A.

Created by cloud server

B.

Created by OBS file

C.

Created by external image file

D.

Created by physical server

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Question # 25

Which item does not exist in the configuration of creating Listener?

A.

Load balancer protocol port

B.

Load method

C.

HTTPSE certificate

D.

Belonging VPC

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Question # 26

Description of Security Group, Which of the following is wrong? (Single choice)

A.

The system will create a security group for each user by default, The rule of the default security group is to pass all data packets on the outgoing room, Restricted access in the inbound direction, The elastic cloud servers in the security group can access each other without adding rules.

B.

Security group is a logical grouping, Provide access policies for mutually trusted elastic cloud servers in the same VPC that have the same family protection requirements.

C.

After the security group is created, Users can define various access rules in the security group, When the elastic goes to the server to join the group or the whole group, It is protected by these access rules.

D.

When configuring security group rules, The source and destination addresses can only be set as IP addresses, It cannot be a security group.

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Question # 27

API What is included in the gateway's multiple security protection?

A.

Threat protection

B.

Access security

C.

Log audit

D.

Authentication service extension

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Question # 28

Which of the following factors need to be considered in the early stage of cloud dedicated line access?

A.

Number of Cloud Dedicated Lines

B.

Virtual interface configuration parameters

C.

Cloud dedicated line bandwidth rate

D.

Port type for cloud private line access

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Question # 29

Which of the following is wrong about the description of the planning subnet?

A.

The subnet segment under the same VPC can be repeated

B.

The network segment cannot be modified after the VPC is successfully created

C.

The subnet is the IP address block in the VPC. All cloud resources in the VPC must be deployed in the subnet.

D.

The network segment of the subnet must be within the range of the VPC network segment

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Question # 30

What can object storage services use to encrypt data on the server side?

A.

SSL certificate management

B.

Multi-version control

C.

Data encryption service

D.

HTTPS protocol

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Question # 31

Which of the following is wrong about the description of the expected number of instances in elastic scaling?

A.

The number of expected instances cannot be less than the minimum number of instances

B.

can trigger the scaling activity by manually adjusting the expected number of instances

C.

The trigger element method of the scaling strategy changes the number of expected instances

D.

The number of expected instances cannot be greater than the maximum number of instances

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Question # 32

Which of the following are the functions of relational database services?

A.

Create a database cluster

B.

Expand the disk

C.

Restore the backup to the specified time node

D.

Add read replica

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Question # 33

Which of the following cloud disks can be created directly through the cloud disk console?

A.

Data disk

B.

system disk

C.

Mirror disk

D.

Differential disk

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Question # 34

HUAWEI CLOUD EIserving ,Model Arts, machine learning, and graph engines are AI platform services.

A.

True

B.

False

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Question # 35

Elastic Cloud Server is bound( ), you can provide access to the outside through a fixed public network I address.

A.

system disk

B.

Mirroring

C.

Data box

D.

Elastic public network ip

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Question # 36

Which of the following options is the role of the listener in elastic load balancing?

A.

Run business logic

B.

Check the progress of the connection request

C.

Receive access request

D.

Distribute traffic to the back-end server

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Question # 37

After purchasing a VPN gateway, the VP. The N gateway allocates a public network exit IP address.

A.

True

B.

mistake

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Question # 38

How many virtual gateways can a VPC create at most?

А. 3

B. 2 pcs

C. 1 piece

D. 4

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Question # 39

Which of the following Huawei Cloud services belong to the SaaS layer service?

A.

Elastic Cloud Server ECS

B.

Cloud Desktop Service Workspace

C.

Cloud Monitoring Service Cloud Eye

D.

Cloud Container Engine CCE

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Question # 40

Which of the following actions is not included in the execution of the bandwidth scaling strategy?

A.

Adjusted to

B.

Increase

C.

Doubled

D.

Reduce

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Question # 41

Sending alarm information is sent through the message notification service.

A.

True

B.

mistake

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Question # 42

Elastic Load Balancing can add cloud servers with different operating systems.()

A.

True

B.

False

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Question # 43

Which operations can be performed only when the elastic cloud server is shut down?

A.

reset Password

B.

Create a mirror

C.

Change security group

D.

Migrate cloud server

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Question # 44

pairs of created backups can be input()Share to other projects.

A.

username

B.

area

C.

Project ID

D.

password

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Question # 45

How many times can 1 key pairs be downloaded?

A.

3

B.

1

C.

4

D.

2

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Question # 46

Which computing cloud service does not belong to Huawei?

A.

Bare Metal Service

B.

Mirroring service

C.

Elastic scaling

D.

Flexible file service

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Question # 47

A disk can only be bound to one backup strategy.

A.

True

B.

mistake

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Question # 48

Which of the following statements is wrong about the constraints of creating data disk mirroring?

A.

When using the data disk of the cloud server to create a data disk image, To ensure that the cloud server must have a system disk

B.

To create a data disk image from an external file, the operating system type must be clearly specified

C.

When using the data disk of the cloud server to create a data disk image, The data disk of the cloud server cannot be empty

D.

When creating a data disk image, Multiple data disk sources can be selected at the same time

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Question # 49

IP Sec VPN is an encrypted tunnel technology, Establish confidential and secure communication tunnels between different networks by using encrypted security services. Which of the following is not the guaranteed data packet transmission characteristics on the public network?

A.

Authenticity

B.

Completeness

C.

Timeliness

D.

Confidentiality

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Question # 50

Which of the following Huawei Cloud services belong to the laaS layer service?

A.

Elastic File Service SFS

B.

Relational database RDS

C.

Cloud Container Engine CCE

D.

Cloud Desktop Service Workspace

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Question # 51

Description of peer-to-peer connection, Which of the following is wrong?

A.

Two VPCs in the same area can communicate with each other through a peer-to-peer connection

B.

Two VPCs in different regions can establish intercommunication through a peer-to-peer connection

C.

In the same district, you can create a peering connection between your own vPc, or you can create a peering connection between your own VPC and the VCs of other tenants.

D.

Up to 5 can be created in a region0Peer-to-peer connection

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Question # 52

Relational database service RDS does not have database backup and recovery functions.

A.

True

B.

mistake

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Question # 53

Model What are the steps involved in the automatic learning function in Arts?

A.

Data standard

B.

Write code

C.

Deploy online

D.

Model training

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Question # 54

Description of the flexible file service, Which of the following statements are correct?

A.

The performance of the SFS file system increases with the increase in capacity

B.

Mount the file system to the elastic cloud server, The VPC to which the two belong can be different

C.

Does not support parameter modification of a successfully created file system

D.

The file system can access different available partitions under the same VPC

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Question # 55

Huawei provides developers with open capabilities, which will help developers integrate the open capabilities of Huawei products with their upper-layer applications, Build differentiated innovative solutions.

A.

True

B.

False

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Question # 56

Which of the following parameters need to be configured when purchasing a VPN connection?

A.

VPN gateway

B.

Remote gateway

C.

This terminal network

D.

Remote subnet

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Question # 57

Configure the VPC authorization address for the file system()Represents the highest priority

A.

1

B.

0

C.

99

D.

1000

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Question # 58

Compared with self-built database, Relational database services have more cost and operation and maintenance workload.

A.

True

B.

mistake

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Question # 59

Which of the following aggregation methods does the instance monitoring in the cloud monitoring service support?

A.

average value

B.

Standard deviation

C.

Max

D.

Variance value

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Question # 60

Which of the following operations can be performed on the cloud hard disk backup strategy?

A.

Delete backup strategy

B.

Edit backup strategy

C.

Bind or unbind cloud disks for backup policies

D.

Execute backup strategy immediately

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Question # 61

image service provides flexible self-service and perfect image management capabilities, Users can create private mirrors, create them through mirroring or copy elastic cloud servers in batches.

A.

True

B.

False

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Question # 62

Which of the following addresses cannot be added to the authorized address of the VPC?

A.

224.0.0.1

B.

10.5.5.10

C.

10.0.1.32

D.

192.168.1.0

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Question # 63

RDS can be used in combination with which of the following cloud services ,So as to ensure that the RDS instance is safely isolated from other services on the network?

A.

VPC

B.

OBS

C.

ECS

D.

CES

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Question # 64

What scenes are included in user copy mirroring?

A.

Copy non-encrypted images across regions

B.

Copy encrypted image to non-encrypted image

C.

Copy encrypted images across regions

D.

Copy non-encrypted image to encrypted image

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Question # 65

The bandwidth of public network elastic load balancing can be adjusted.

A.

True

B.

mistake

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Question # 66

After mounting the newly purchased cloud hard disk to the cloud server, it can be used directly.

A.

True

B.

mistake

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Question # 67

cloud hard disk supports multiple backups per day.

A.

True

B.

False

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Question # 68

Which of the following parameters can the user modify when modifying the physical leased line?

A.

name

B.

bandwidth

C.

area

D.

Peer address

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