HCIA-Cloud Service V3.0 H13-811_V3.0-ENU Sample Questions & Answers

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Page 1 of 22

1. A tenant built a technical forum through HUAWEI CLOUD. With the increasing number of forum users, many users began to complain that the forum access speed was getting slower and slower. Please analyze the possible causes of this problem and what are the corresponding solutions? (Multiple Choice)

There may be hackers maliciously attacking the website. It is recommended that tenants apply for the Anti-DDos traffic cleaning service

It may be that the forum users have too much traffic. It is recommended that the tenant expand the bandwidth of the EIP

It may be that the data storage capacity of the forum is insufficient. It is recommended that tenants purchase more data storage

It may be that the CPU and memory usage of the cloud server is too high. It is recommended that tenants apply for the elastic scaling service AS and elastic load balancing service

2. Dedicated Host (DeH) is an exclusive physical host resource that users can enjoy exclusively. Similar to bare metal servers, it can be quickly distributed directly through private images.

True

False

3. Which of the following are the advantages of HUAWEI CLOUD relational database service? (Multiple choice)

No need to purchase and install any hardware or software

Only pay the RDS rental fee

Reduce DBA skill requirements and costs

The user upgrades the database version

4. What are the ways to connect to the public network (Internet)? (Multiple Choice)

Elastic public IP

Cloud Monitoring

NAT Gateway

Elastic Load Balancing

5. Alarm notification is the action taken when a certain alarm state is triggered. Users can set notifications when creating or modifying alarms, or turn off notifications.

True

False

6. Which of the following descriptions about EVS, SFS and OBS storage services is correct?

All three can be used alone

All three support online editing

All three support remote access

All three support data sharing

7. Regarding cloud hard disk backup and cloud server backup, which of the following is correct? (Multiple choice)

Cloud hard disk backup is to protect the entire cloud server

The backup generated by the cloud server backup will also appear on the cloud hard disk backup interface

The backup objects of cloud server backup are all cloud hard disks in the elastic cloud server

The backup object of cloud hard disk backup is one or more designated cloud hard disks

8. HUAWEI CLOUD SSL certificates provide various types of certificates such as ov (enterprise version) and EV (enhanced), and tenants can choose the corresponding certificate according to their business needs.

True

False

9. When a tenant has business on the cloud, the tenant can lease a bandwidth for use by all elastic cloud servers, which can help enterprises save network operation costs and improve operation and maintenance efficiency.

True

False

10. Which of the following descriptions about the relationship between virtualization and cloud computing are correct? (Multiple choice)

Without virtualization, cloud computing has no value

Without cloud computing, virtualization has no value

Virtualization is one of the important technologies for realizing cloud computing

Virtualization is a technology, cloud computing is a service model, and virtualization promotes the development of cloud computing

Page 2 of 22

11. Which of the following are features of HUAWEI CLOUD Object Storage Service OBS? (Multiple Choice)

Provide anti-theft chain protection

Support Lifecycle Management

Provide cross-domain resource sharing

Encryption server

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

Reset password

Create a mirror

Change the security group

Migrate cloud server

13. The user applies for an elastic cloud server ECS on HUAWEI CLOUD, and binds an elastic IP to the elastic cloud server for R&D personnel to test through Internet access. The test scenario only needs to transmit a small amount of data.

Which of the following elastic IP billing models is the most economical for the customer to choose?

Adopt the "metering" billing model

Adopt the billing model of "joining shared bandwidth"

Adopt the "billing by bandwidth" billing model

Adopt the "yearly/monthly" billing model

14. In order to prevent resource abuse, the HUAWEI CLOUD platform limits the quota of each service resource, and limits the number of resources and usage rights of users.

True

False

15. When users modify the physical dedicated line, which of the following parameters can be modified?

Name

Bandwidth

Area

Peer address

16. Which two application scaling methods are supported?

Scaling according to strategy, scaling according to plan

Scaling according to plan, scaling according to CPU

Scaling according to plan, scaling according to memory

Scale by policy, scale by memory

17. Which of the following are the application scenarios of elastic load balancing? (Multiple Choice)

Realize more flexible service forwarding

Shield the real IP from the outside to achieve the purpose of security protection

Provide routing balancing capabilities based on domain names and URLs

Applicable to web services with large traffic

18. Which of the following correspondences does the VPN gateway and remote gateway support? (Multiple choice)

One to one

One to many

Many to many

Many to one

19. Which of the following descriptions about CDN (Content Delivery Network) is wrong?

By deploying node servers all over the network, the content of the origin site can be distributed to all CDN nodes, so that users can obtain the desired content nearby

CDN service can improve the use efficiency of cloud servers such as ECS, but it cannot improve the response speed of users accessing the website and the usability of the website

CDN is a layer of intelligent virtual network built on the basis of the existing Internet

CDN service solves the problems of small network bandwidth, large user access, and uneven distribution of outlets

20. Cloud Audit Service CTS is a paid service, and the paid items include related fees such as activation of tracker, event tracking, and storage and retrieval of events within 7 days.

True

False

Page 3 of 22

21. Which of the following commands can be executed to verify whether the file system domain name can be resolved to an IP address?

wget

nslookup

scp

ping

22. Compared with traditional cloud file sharing and storage, what advantages does SFS have? (Multiple Choice)

File sharing

High reliability

Seamless integration

Simple operation but high cost

23. The "expected number of instances" in the elastic scaling group refers to the number of AS policies that the tenant expects to run, and the number must be between the maximum and minimum number of instances.

TRUE

FALSE

24. Which of the following parameters need to be configured for cloud monitoring to create an alarm rule? (Multiple Choice)

Monitoring indicators

Warning strategy

Monitoring duration

Warning level

25. What can I do when the storage space of the ECS is insufficient?

Unmount the disk

Reinstall the operating system

Expand the disk

Switch operating systems

26. Which of the following descriptions about the HUAWEI CLOUD intranet domain name resolution service is wrong?

Based on the domain name in the VPC, it can be customized according to user needs

A domain name can be associated with multiple VPCs

Provide a dedicated intranet DNS for the VPC subnet, which can directly respond to resolution requests for intranet domain names, OBS, RDS and other addresses

Intranet analysis can span different regions

27. Please drag and drop the corresponding features of OBS storage and traditional storage servers to the correct location

28. What attributes can be modified for the created private image? (Multiple choice)

NIC multi-queue

Minimum memory

Startup method

Maximum memory

29. A user applies for a cloud host with only an operating system installed on Huawei's public cloud. Which mode does this scenario belong to?

Iaas

NaaS

Saas

Paas

30. What advantages does the API gateway play in realizing the digital transformation of enterprises? (Multiple choice)

Improve system performance

Ensure the security of information assets

Accelerate business agility

Stimulate application innovation

Page 4 of 22

31. What is the storage capacity unit of cloud hard drives?

32. GPU is suitable for application scenarios such as graphics rendering and engineering drawing running in a virtualized environment, as well as desktop cloud scenarios.

True

False

33. Which of the following are the functions of relational database services? (Multiple Choice)

Create a database cluster

Expand the disk

Restore the backup to the specified time node

Add a read-only replica

34. When adding a VPC to the file system, the default IP address 0.0.0.0/0 will be automatically added, and the default read and write permissions are "read only".

True

False

35. During the use of HUAWEI CLOUD drives, which of the following is an operation supported by the data disk but not supported by the system disk?

Encrypted cloud disk

Delete cloud disk

Uninstall cloud disk online

Expansion of cloud disk

36. The virtual private cloud supports the interconnection and intercommunication of VPCs and traditional data centers through dedicated lines/VPNs and other connection methods to flexibly integrate resources.

True

False

37. VPC cannot connect to the local data center.

True

False

38. According to the classification of Huawei cloud services, which cloud service is not a computing cloud service?

Bare Metal Service

Elastic Cloud Service

Elastic Scaling cloud services

Virtual Private Cloud

39. Which of the following is not included in the core value of using cloud computing?

Distributed computing and storage can improve business and data reliability

Virtualization technology solves the problem of low resource utilization

Unified management of data center resources to improve efficiency

Improve the performance of hardware devices

40. The CIFS type file system supports the cloud server using the Linux operating system for mounting.

True

False

Page 5 of 22

41. What are the login authentication methods of the ECS? (Multiple Choice)

Password

Fingerprints

Key pair

42. Internet vendors host their software on the cloud. Users no longer need to purchase software, but instead obtain services by renting software on the cloud. Which cloud service model is described above?

Saas

DBass

Paas

laas

43. When it is necessary to increase the number of instances in a scaling group at a fixed time each week, which scaling strategy can I set to achieve?

Warning strategy

Timing strategy

Cycle strategy

All of the above

44. In the image service IMS, a tenant can convert an existing Windows service virtual machine into a Windows image, but cannot change the type and version of the operating system during the conversion process.

True

False

45. A database instance is the smallest management unit of ApsaraDB for RDS. Which of the following descriptions about different types of instances is wrong?

The cluster version instance supports the cluster mode of 1 master, 1 backup and 5 read-only

Active and standby instances support cross-AZ high availability

The read-only instance is the architecture of a single physical node, and there is no standby node

Single-machine instance supports cross-AZ high availability

46. When creating an elastic cloud server, you can initialize the elastic cloud server through the "file injection" function provided by the system.

True

False

47. Create a peering connection between VPC1 and VPC2. By default, VPC2 cannot access the public network through the EIP of VPC1. Tenants can use the NAT gateway service or configure the __server so that the elastic cloud server under VPC2 can pass the EIP bound under VPC1. The ECS accesses the Internet. (Please fill in the corresponding English abbreviation)

ELB

48. If only one scaling policy is enabled in the scaling group, the execution action in the scaling policy is: add two instances, how many instances are there in the current scaling group?

not sure

49. Which of the following relational database services does HUAWEI CLOUD provide? (Multiple Choice)

DDS

RDS for MySQL

GaussDB （ for Mongo ）

50. When external traffic enters the Loadbalancer, which component does it enter first?

Linux Virtual Server

nginx

HealthCheck (health check)

Firewall

Page 6 of 22

51. Cloud computing is a model that can obtain required resources (for example, computing, storage, network, applications, and services) from a configurable resource sharing pool anytime and anywhere conveniently, and on demand. Resources can be quickly supplied and released, minimizing the workload of managing resources and interacting with service providers

True

False

52. Cloud hard disks can be mounted to cloud servers in different availability zones.

True

False

53. The cloud server must be shut down when creating a private image.

True

False

54. When the state of the alarm rule has not changed, the system will only send an alarm notification to the user when the state appears for the first time.

True

False

55. Which of the following container exceptions can be monitored by the container security service? (Multiple choice)

High-risk system calls

Escape vulnerability attack

Escape file access

Abnormal container process

56. Among the HUAWEI CLOUD EI services, which service is called the "faster inclusive AI development platform"?

Model Arts

MLS Machine Learning Service

DLS Deep Learning Service

GES Graph Engine Service

57. Which of the following services can be used in conjunction with cloud disk? (Multiple Choice)

Elastic cloud server

Mirror service

Cloud Disk Backup Service

Cloud Monitoring Service

58. After the HUAWEI CLOUD relational database is successfully created, the database engine cannot be replaced. Therefore, when creating a database instance, tenants need to carefully select the database engine type according to business requirements.

True

False

59. Which of the following is not a relational database provided by HUAWEI CLOUD?

GaussDB (for Mongo)

GaussDB (for MySQL)

GaussDB (openGauss)

GaussDB (for PostgreSQL)

60. A user applied for an elastic cloud server on HUAWEI CLOUD and installed the Windows 10 operating system on it. Later, due to usage requirements, he purchased a cloud hard disk on the cloud platform and mounted the hard disk on the elastic cloud server. But the user cannot find the hard disk in this computer of the Windows 10 system. Which of the following is the possible reason?

The cloud disk is of the wrong type

Set the cloud hard disk as a shared disk

The capacity of the cloud hard disk is not enough

The cloud drive is not formatted

Page 7 of 22

61. Each cloud server backup can only create a whole machine image, and a cloud server backup that has already created a whole machine image can no longer create a whole machine image.

True

False

62. The tenant has deployed the MySQL database in the ECS instance of the HUAWEI CLOUD ECS. As the business volume continues to increase, the user finds that the number of concurrent connections to the database is insufficient, and the IOPS of the disk cannot meet the business requirements. Therefore, it is recommended that the user adopt which of the following service to solve the problem?

File storage SFS

Object Storage OBS

ApsaraDB for RDS

Elastic Load Balancing ELB

63. Which of the following cloud servers cannot be elastically scaled? (Multiple choice)

Cloud server for deploying database applications

Cloud server for deploying static web pages

The cloud server that saves the application session

Cloud server that saves data log information

64. Which of the following are the usage scenarios of bare metal servers? (Multiple choice)

High-performance computing scenarios such as supercomputing centers and gene sequencing

The compliance of business deployment in industries such as finance and securities, and some customers have stringent requirements for data security

Based on cloud-native technology to realize Internet elastic business load and reduce cloudification cost

Some key database services cannot be deployed on virtual machines and must be hosted on physical servers with exclusive resources, network isolation, and guaranteed performance

65. When creating a listener, under which protocol is the server certificate configurable?

HTTPS

UDP c. HTTP

TCP

66. What operation cannot be performed on data disk mirroring?

Apply for the server

Export image

Apply for a data disk

Copy image

67. How many layers of protection does a web application firewall provide?

Seventh layers

Five layers

First layers

Three layers

68. What service is Cloud Table based on?

HDFS

OBS

MySQL

HBase

69. Please match the functions of cloud monitoring to their corresponding usage scenarios:

70. Regarding the description of the relationship between the cloud resolution service and other services, which items are correct? (Multiple choice)

The relevant operations of the cloud resolution service can be recorded by the cloud approval service

Cloud DNS service can provide domain name resolution service based on VPC network

Users can create and configure domain name hosting through the cloud resolution service to achieve custom domain name access to static websites hosted on OBS

Cloud DNS service can provide domain name resolution services for elastic cloud servers

Page 8 of 22

71. What are the product advantages of VPC? (Multiple Choice)

Flexible deployment

Dynamic BGP

Safe isolation

Support hybrid cloud deployment

72. In order to facilitate subsequent security analysis and problem location of resources on the cloud, a customer dumped the cloud audited event files into the 0BS bucket. Which of the following storage types is suitable for storing CIS event files?

Infrequent access to storage

Archival Storage

Standard Storage

High-frequency access to storage

73. Regarding the description of the physical dedicated line created by the partner, which of the following is wrong?

One physical dedicated line for operation can be bound to multiple physical dedicated lines for tenants

Partners can purchase and operate physical leased lines without an administrator account.

Partners create leased lines for ordinary users by creating tenant physical leased lines

Partners can purchase and operate physical dedicated lines

74. Before creating a file system, what information needs to be configured?

VPC

EIP

ELB

75. The API gateway cannot monitor the call of the API at all times.

True

False

76. In order for a user to remotely connect to an ECS with a Linux operating system through SSH, which of the following ports needs to be opened in the inbound direction of the security group?

3389

77. Among HUAWEI CLOUD EI services, which service is most suitable for solving sales forecast scenarios?

Machine Learning Service MLS

MapReduce service MRS

Graph Engine Service GES

Deep Learning Service DLS

78. Please link the related concepts of Cloud Log Service to their corresponding explanations:

79. Which of the following is not a key performance feature of Cloud database RDS?

High availability

Backup and Recovery

Flow cleaning

Performance Monitoring

80. A user created a bucket in HUAWEI CLOUD Object Storage Service OBS to store personal data. After a period of use, the user wanted to release OBS resources and found that the created OBS bucket could not be deleted. Which of the following are possible reasons? ? (Multiple choice)

Not all objects in the bucket are deleted

Permission to not delete buckets

Deleted objects in the bucket are not completely deleted

Object storage class is archive storage

Page 9 of 22

81. Through network technology ( ), different network segments in the network can be divided into different broadcast domains, so that hosts in the same network segment can communicate with each other, while hosts in different network segments cannot communicate with each other by default. (please fill in the acronym)

LAN

82. Regarding the description of the VPN gateway, which of the following is wrong?

Through the VPN gateway, secure and reliable encrypted communication between the virtual private cloud and the enterprise data center or other regional VPC can be established.

The VPN gateway needs to correspond to the user's local gateway.

A VPN gateway is an entry gateway device established in a virtual private cloud.

Each VPN gateway can correspond to multiple VPN connections.

83. If the disk data is lost, how to use the backup created in advance to restore the data? (Multiple choice)

Backup and recovery cannot be performed after the disk is deleted

Use backup to restore data to original disk

Create a new disk using the backup 18

Unmount the disk to recover data

84. After the relational database instance is successfully created, the database port cannot be modified.

True

False

85. An object is the basic unit of data storage in OBS. Which of the following parts does it include? (Multiple choice)

AAK/SK

Metadata

Data

Key

86. In the HUAWEI CLOUD EI service, which scenario can the OCR service solve?

Image processing

Text recognition

Speech recognition

Image recognition

87. When the cloud disk is in which of the following states, a cloud disk backup can be created?

Available

Deleting

Deletion failed

Creating

88. Which of the following network file sharing protocols does the NAS support? (Multiple choice)

NTFS

CIFS

FTP

NFS

89. After deleting the elastic scaling group, the elastic cloud server instance automatically created by the elastic scaling will also be deleted automatically.

True

False

90. Which of the following options is the role of the listener in elastic load balancing? (Multiple choice)

Run business logic

Check the progress of the connection request

Receive access request

Distribute traffic to the backend server

Page 10 of 22

91. What are the visual APIs in the HUAWEI CLOUD EI AI API? (Multiple choice)

Image search

Image recognition

Face recognition

Content review

92. Which of the following descriptions about Hypervisor is correct? (Multiple choice)

In virtualization, only the hypervisor has direct access to physical resources

In virtualization, Hypervisor and VMM are a concept

In virtualization, the Hypervisor can monitor the status of the Guest Machine

In virtualization, the Hypervisor can run directly on the Host Machine

93. The image service IMS is usually used to migrate enterprise business to the cloud. Which of the following are the private image creation methods supported by it? (Multiple choice)

Whole machine image

Data disk mirroring

System Disk Image

Volume mirroring

94. Fragments are junk data generated in the process of uploading objects.

True

False

95. Regarding the description of the planning routing strategy, which of the following is wrong?

The routing table is composed of a series of routing rules, which are used to control the direction of outgoing traffic from the subnet in the VP

If you do not need to control the traffic flow of the subnet, you can use the default routing table when the VPC intranet is interoperable by default, and there is no need to configure custom routing policies.

When a user creates a VPC, the system will automatically generate a default routing table for the user. The default routing table means VPC intranet interoperability

96. Which of the following components is not a component of the big data platform?

MapReduce

Yarn

Open Stack

HDFS

97. Which of the following are the main functions of the enterprise host security HSS? (Multiple Choice)

Weak password detection

Software vulnerability detection

Remote login detection

Malicious program detection

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

Data Disk

System Disk

Mirror disk

Differential disk

99. What needs to be created to communicate between two VPCs?

EIP

Work Order

Peer-to-peer connection

SNAT

100. Which of the following file system types does the elastic file service have? (Multiple choice)

SFS

SFS Turbo Standard type

SFS Turbo enhanced type

SFS Turbo performance type

Page 11 of 22

101. Which of the following represents a general-purpose computing enhanced elastic cloud server?

m3.large.8

c3.large.2

s3.large.2

s3.small.1

102. Which of the following commands can view the final mount result in the Linux system?

pwd

mount

df-TH

touch

103. Which of the following is not the version of enterprise host security?

Enterprise Edition

Personal Edition

Basic Edition

Webpage tamper-proof version

104. Which of the following options is not an advantage of cloud hard drives?

High reliability

Rich specifications

Can be used alone

Easy to use

105. Which of the following descriptions about containers and virtual machines is wrong? (Multiple choice)

The bottom layer of the container requires that the physical host must have an OS environment

Each virtual machine can deploy the OS environment separately to run the application

Each container can deploy the OS environment separately to run the application

The bottom layer of the virtual machine requires that the physical host must have an OS environment

106. When applying for the elastic load balancing ELB service in HUAWEI CLOUD, you must bind an elastic IP to it.

True

False

107. Which of the following security authentication methods are available for calling API? (Multiple choice)

Huawei I AM certification

No certification

APP certification

Micro authentication

108. The retention time of aggregated data in different aggregation periods is inconsistent. How many days is the indicator data retained for an aggregation period of 1 hour?

155

300

109. A tenant creates two VPCs in HUAWEI CLOUD Region 1. The network segment of VPC 1 is 192. 168. 1. 0/24 and the network segment of VPC 2 is 172. 16. 0. 0/16. The tenant needs to create two ECSs in two VPCs. ECS 1 is located in VPC 1 and ECS 2 is located in VPC 2, and ECS 1 and ECS 2 can ping each other. Which of the following is the correct configuration? (Multiple choice)

When creating ECS 1, select the inbound direction rule of the security group to allow the ICMP protocol whose original address is 172.16.0.0/16

Select the virtual private cloud as the routing table of VPC 1, add a route, and the destination address is 192. 168. 1. 0/24

Create a peering connection, select VPC1 for the local VPC and VPC2 for the peer VPC

Create subnet 1 in VPC 1 as 192.168.2.0/24. Select subnet 1 when applying for ECS 1; create subnet 2 in VPC 2 as 172.16.1.0/24, and select subnet 2 when applying for ECS 2

110. What are the key features of RDS? (Multiple choice)

High availability

Backup and recovery

Performance monitoring

Flow cleaning

Page 12 of 22

111. Which of the following statements about hybrid cloud is incorrect?

Only deploy the application in the public cloud

Unified management of enterprise resources in public and private clouds

Realize optimal resource allocation through hybrid cloud

Realize the flow of business resources between public cloud and private cloud

112. When the tenant does not need to use the cloud hard disk service, they can release and delete the rented cloud hard disk service. After the deletion, the cloud hard disk service will no longer be charged.

True

False

113. ( ) is a model that can obtain the required resources (for example, computing, storage, network, applications and services) from the configurable resource sharing pool anytime, anywhere, conveniently and on demand, and resources can be quickly supplied And release, so that the workload of managing resources and the interaction of the cloud service provider is reduced to a minimum.

Cloud computing

114. Which of the following descriptions about the intermediate sub-network in the HUAWEI CLOUD NAT gateway is wrong?

When deploying the public network NAT gateway and the private network NAT gateway, it is necessary to configure the intermediate sub-network

Users can create an IP address pool in the intermediate sub-network for use by the cloud hosts in the local VPC

The intermediate network cannot be directly deployed in the local VPC, and an additional public VPC needs to be specially applied for

A transit network is a transit network established between the local VPC and the remote data center or VPC

115. Which of the following services does the cloud hard disk backup service depend on? (Multiple choice)

Cloud hard drive

Elastic Cloud Server

Object storage

Mirror

116. What are the ways to communicate between the local data center (IDC) private network segment and the VPC subnet segment of HUAWEI CLOUD? (Multiple choice)

Elastic public IP

Elastic load balancing

Cloud Dedicated Line

Virtual Private Network

117. HUAWEI CLOUD tenants use cloud database services. If data is lost, they can use the recovery function of the S instance. What method is recommended for tenants to recover data?

Will revert to the current instance

The database cannot be recovered after it is lost

Will restore to active instance G

Will restore to the new instance

118. The VPC subnet applied by a customer is 192.168.0.0/24, and all cloud servers are added to the same security group A. If the customer wants to remotely connect the ECS with the IP address 192.168.0.160 to a Linux ECS through SSH, the user needs to configure security group A as the inbound direction, the port as 22, and Security group rules of the source address as 192.168.0.___/32. (Please fill in the Arabic numerals in the blanks)

160

119. In HUAWEI CLOUD, before using the cloud audit service, the tenant needs to activate the cloud audit service and manually create a tracker to identify and associate all cloud services used by the current tenant.

True

False

120. What are the advantages of Map Reduce service? (Multiple Choice)

Stable

Open

Easy to use

Low cost

Page 13 of 22

121. Both VPN and cloud private line can achieve the purpose of intercommunication between remote user data center and virtual private cloud, so what are the outstanding advantages of VPN compared with cloud private line? (Multiple choice)

The connection cost is cheaper than the cloud private line

The supported bandwidth is higher than the cloud private line

The stability is higher than the cloud dedicated line

The opening speed is faster than the cloud dedicated line

122. The object storage service is a physical storage disk.

True

False

123. The identities of API providers and API consumers are not separated, but can be converted to each other.

True

False

124. The file system supports batch creation.

True

False

125. Which of the following operations will incur charges?

Create a subnet

Create EIP

Create VPC

Create a security group

126. The time required to back up a cloud disk only depends on the amount of data in the cloud disk.

True

False

127. Users can use cloud computing resources anytime and anywhere through the terminal without any prerequisites.

True

False

128. What steps do I need to go through to create a Windows private image through a cloud server? (Multiple Choice)

Configure Windows cloud server

Install the Cloudbase-init tool

Create a Windows private image

View and clean up the network rules file

129. Please match related concepts in HUAWEI CLOUD Elastic Load Balancing ELB to their descriptions:

130. Which parameters should be selected or set when copying images across regions? (Multiple Choice)

IAM commission

Purpose Project

Destination Availability Zone

Destination area

Page 14 of 22

131. Huawei ECS and EVS services are all SaaS services on the public cloud, but these types of services need to be created based on IaaS layer physical devices.

True

False

132. Users cannot deploy business applications on elastic cloud servers arbitrarily like using traditional servers.

True

False

133. The mirroring service provides flexible self-service and perfect mirroring management capabilities. Users can create private mirrors, through mirroring creation or batch copying of elastic cloud servers.

True

False

134. Which of the following descriptions about Elastic public EIP is correct? (Multiple Choice)

Elastic public IP provides independent public IP resources, including public IP addresses and public network egress bandwidth services

The elastic public IP can be flexibly bound and unbound with resources such as elastic cloud servers, bare metal servers, virtual IPs, elastic load balancing, and NAT gateways

The elastic public IP service only supports on-demand billing

Elastic public IP can be added to shared bandwidth to reduce bandwidth usage costs

135. Which of the following protocols can be configured with mutual authentication?

TCP

HTTP

HTTPS

UDP

136. Which lines are currently supported by DDoS Anti-DDoS? (Multiple choice)

Telecommunications

Mobile

BGP line

Unicom

137. Which of the following is not included in the main application scenarios of KMS (Key Management Service)?

Encryption and decryption of key information assets

Network transmission data encryption

Business core data encryption and decryption

Encryption and decryption of user personal data

138. The USB device of the local terminal of the Workspace user can be redirected to the cloud desktop for use.

True

False

139. When creating a mirror of the whole machine, which mirror sources can be selected? (Multiple choice)

Bare Metal Server

Cloud server backup

Mirror file

Cloud server

140. The user created 2 virtual private cloud VPCs in the "Beijing 4" region of HUAWEI CLOUD, and applied for two elastic cloud servers ECS-A and ECS-B in VPC1, and applied for one elastic cloud server in VPC2 ECS-C. What is the communication status of these 3 elastic servers by default?

ECS-A and ECS-B can communicate: ECS-A and ECS-C cannot communicate: ECS-B and ECS-C cannot communicate either

ECS-A and ECS-B can communicate: ECS-A and ECS-C cannot communicate: ECS-B and ECS-c can communicate

ECS-A, ECS-B, B and ECS-C cannot communicate with each other

ECS-A, ECS-B, B and ECS-C three servers can communicate with each other

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141. What are the login authentication methods for the elastic cloud server? (Multiple choice)

Fingerprint

Dynamic password OTP

Key pair

Password

142. Which of the following descriptions about HUAWEI CLOUD OBS life cycle management is wrong? (Multiple choice)

Objects that are no longer frequently accessed can be converted to archive storage by configuring rules

Archive storage objects can be converted to standard storage objects by configuring rules

Low-frequency access storage objects can be converted to standard storage objects by configuring rules

Objects that are no longer frequently accessed can be converted to low-frequency access storage by configuring rules

143. How does the cloud hard disk triple copy technology ensure data consistency?

When reading data fails, automatically repair the damaged copy

When writing data, only when multiple copies of the data have been written, will return a successful data write response to the application

When writing data, perform write operations on 3 copies at the same time

When reading data, perform read operations on 3 copies at the same time

144. It is not possible to transfer the ECS under one account to another account.

True

False

145. A container is a running instance created based on an image, which can be started, stopped and deleted. A container image can only create one container instance.

TRUE

FALSE

146. IAM is a unified identity authentication service.

True

False

147. The published API does not need to be republished after the API information is modified.

True

False

148. When creating a flow control strategy for an API gateway, which of the following parameters must be set?

Source IP traffic limit

API traffic limit

User traffic limit

Application traffic limit

149. Which of the following descriptions about the security capabilities of the HUAWEI CLOUD platform is wrong?

Huawei uses CCE cloud services to ensure the security of data on the cloud48

HUAWEI CLOUD has built an uninterrupted security system to ensure business continuity on the cloud

HUAWEI CLOUD Platform has obtained the first-class service qualification for cloud computing security issued by Information Security Evaluation Center

HUAWEI CLOUD has successfully passed ISO security review and certification to provide users with a secure and reliable cloud platform

150. What functions can be achieved by configuring life cycle rules? (Multiple choice)

The storage type of the timing conversion object

Clean up the debris

Periodically delete the specified objects in the bucket

Delete bucket

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151. Which of the following are the main usage scenarios of SFS? (Multiple choice)

High-performance computing

Log management

Content Management and Home Directory

Media handling

152. There are various types of fast elastic scaling. In addition to manual capacity expansion or capacity reduction, Huawei Cloud supports automatic capacity expansion or capacity reduction based on preset policies. You can increase or decrease the number of servers, or increase or decrease the resources of a single server.

True

False

153. Which of the following methods can delete a cloud server created by elastic scaling? (Multiple choice)

Disable the elastic scaling group

Add a scaling strategy to delete cloud servers in the scaling strategy

Manually modify the expected number of instances of the scaling group

"Move out of the scaling group and delete" the instance that needs to be deleted

154. Regarding the description of the physical dedicated line parameters, which of the following is wrong?

The maximum bandwidth supports 100Mbit/s.

Port type supports 1G and 10

Access location Select the location where the physical dedicated line needs to be accessed.

Select the region where the VPC that the user's local data center needs to connect to is located

155. What value does Workspace bring to customers? (Multiple Choice)

Free

Quick access

Pay-as-you-go

Simplify O&M

156. When using the elastic file storage service SFS, after the file system is deleted, the data stored in the file system will also be deleted and cannot be recovered.

True

False

157. Which of the following descriptions about the HUAWEI CLOUD developer ecosystem are correct? (Multiple choice)

Provide a variety of resource tools

Provide relevant competition activities and information

Provide multiple forms of training certification

Provide a multi-technology community

158. Regarding the description of the secret key, which of the following is correct? (Multiple choice)

The key pair information used by the elastic cloud server can be queried through the console

Windows single cloud server that cannot create a key pair to log in

You can change the key pair to log in to the elastic cloud server to log in with a password

You can use the key to authenticate when logging in with VNC

159. After the elastic cloud server is bound to (), it can provide access to the outside through a fixed public IP address.

System Disk

Mirror

Data Disk

Elastic public network IP

160. HUAWEI CLOUD's load balancing provides traffic distribution services to multiple cloud servers, and supports traffic forwarding at layers 4 and 7. The traffic forwarding at layer ( ) is based on identifying the relevant fields in the HTTP/HTTPS protocol packet header. to be realized. (Please fill in the Arabic numerals in the blanks)

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161. After the peering connection is established, it is necessary to add the routes of the peer subnet in the local VPC and the peer VPC to communicate.

True

False

162. When the application type of elastic load balancing service ELB is public network, only UDP, HITP and HITPS protocols are supported.

True

False

163. Which of the following options is the most reasonable configuration process of virtual private cloud?

Create virtual private cloud and default subnet>Create new subnet>Add security group policy>Create security group

Create virtual private cloud and default subnet>Create new subnet>Create security group>Add security group rules

Create virtual private cloud and default subnet>Create security group>Create new subnet>Add security group rules

164. Which of the following descriptions about HUAWEI CLOUD EVS and SFS storage services is wrong?

EVS must be mounted on a cloud server to be used, but SFS can be used alone

Both EVS and SFS support online editing

Both EVS and SFS support data sharing

Both EVS and SFS support remote access

165. Which of the following options are the usage scenarios of the cloud disk snapshot function? (Multiple choice)

Set a strategy, and automatically back up data on cloud hard drives according to the strategy

Daily backup data

Quickly restore data

Rapid deployment of multiple services

166. Which of the following is not the main usage scenario of VPC?

Virtual machines access each other

Desktop cloud access to Huawei Mall

The virtual machine accesses the external network

VPN access to the virtual machine

167. ModelArts and graph engines in HUAWEI CLOUD EI services belong to AI platform services.

TRUE

FALSE

168. Cloud servers with different operating systems can be added to the same elastic load balancing backend server group.

TRUE

FALSE

169. OBS Browser+ supports installation on Windows operating systems, but does not support installation on Linux operating systems.

True

False

170. In HUAWEI CLOUD, which of the following management operations does not support cloud disk?

Backup

Expansion

Volume reduction

Mount/Unmount

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171. Please drag the following container features to the corresponding explanation position:

172. After creating an elastic cloud server, what can be modified? (Multiple choice)

Modify bandwidth

Modify the elastic public network IP address

Modify the cloud server name

Modify private IP address

173. What are the main purposes of elastic scaling? (Multiple Choice)

Avoid queuing build tasks

Improve the efficiency of building resource utilization

Improve node construction speed

Ensure the security of the build environment

174. Which of the following functions does OBS Browser support? (Multiple choice)

Mount external bucket

Static website hosting

Cross-domain resource sharing

Multi-version control

175. In the cloud computing environment, confidentiality, integrity and availability are still the fundamental security requirements on the user side.

True

False

176. Regarding the description of the redundant physical dedicated line, which of the following is wrong?

Redundant physical dedicated lines are more reliable to prevent accidents and ensure smooth business operations

Redundant dedicated lines require users to set up the main physical dedicated line and backup physical dedicated line by themselves

When two dedicated lines are connected to different access points in the same area, the two physical dedicated lines are mutually redundant

When a physical dedicated line fails, the system will automatically switch to another physical dedicated line

177. The traditional IT infrastructure architecture of enterprises is no longer able to support the efficient operation of the enterprise. It is urgently calling for the arrival of structural changes. Which is not the main reason?

Slow business launch and complicated life cycle management

TCO remains high

Performance of key applications is limited by IO bottlenecks

Internet speed is too slow

178. Cloud hard disk backup cannot be used to create a new system disk.

True

False

179. When creating a scaling configuration, what are the options for the configuration template? (Multiple Choice)

Use existing cloud server specifications as a template

Use an existing image as a template

Use shared templates

Use the new template

180. Regarding the elastic scaling service, which of the following statements is wrong?

Elastic scaling does not support viewing the status of instances in the scaling group.

Elastic scaling supports the health check of the status of the instance.

Elastic scaling can automatically adjust the number of instances in the scaling group according to the set strategy.

Elastic scaling supports instance protection for specific instances in the scaling group.

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181. When applying for public cloud ECS services, which of the following options are required by tenants? (Multiple choice)

Hard Disk Space

OoS c. CPU

Memory

182. Which SDK language does the API Gateway not support?

Java

PHP

delphi

183. Which of the following is not part of an object in an object store?

Metadataa

Key

Data

volume

184. The scaling bandwidth policy of the elastic scaling service AS in HUAWEI CLOUD supports only alarm policies and timing policies.

True

False

185. Which of the following methods can prevent the specified instance from being removed from the scaling group?

Modify the scaling strategy

Change the scaling configuration

Modify the scaling group and change the instance removal strategy

Enable instance protection

186. Which of the following services can Cloud Log Service collect logs for? (Multiple Choice)

BMS

VPC

ECS

187. The IPSec framework contains several protocols. What are the important ones? (Multiple Choice)

BIP

ESP

IKE

188. Regarding the description of planning subnets, which of the following is wrong?

Under the same VPC, the subnet segment can be repeated

After the VPC is successfully created, the network segment cannot be modified

A subnet is a block of IP addresses within a VPC, and all cloud resources in a VPC must be deployed within the subnet

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

189. The local hard disk in the bare metal server is backed up by the consistent snapshot technology, which can avoid the problem of data inconsistency caused by the difference in backup creation time, and supports the creation of private images through backup.

True

False

190. Which services of HUAWEI CLOUD EI are used in IoT solutions? (Multiple choice)

Map Reduce Service MRS

Data Access Service DIS

Real-time stream computing service Cloud Stream

Graph computing service GES

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191. Cloud computing is the product of the development of the Internet and computing technology, so cloud computing must be inseparable from the network.

True

False

192. After the application is successfully created, the CPU memory and network usage of the container cannot be monitored.

True

False

193. Regarding the storage category provided by the object storage service, which of the following is wrong?

Backup storage

Standard storage

Low-frequency access storage

Archive storage

194. Which service on HUAWEI CLOUD can be used to collect log data from hosts and cloud services, and help developers or O&M personnel to locate and analyze problems through the analysis and processing of massive log data?

Cloud Monitoring Service

Cloud Log Service

Cloud Audit Service

Object Storage Service

195. When configuring the elastic load balancing ELB service in HUAWEI CLOUD, the allocation strategy used is the weighted round-robin algorithm. There are 2 ECSs in the backend server group. The weight of ECS 1 is 2, and the weight of ECS-2 is 1.

There are currently 6 user requests forwarded to the backend server group. How many requests do ECS-1 and ECS-2 need to process?

ECS-1 handles 4, ECS-2 handles 2

ECS-1 handles 6, ECS-2 handles 0

ECS-1 handles 3, ECS-2 handles 3

ECS-1 handles 2, ECS-2 handles 4

196. What usage methods does the object storage service support? (Multiple choice)

Management console

obscmd

OBS Browser

API&SDK

197. In the IT system, there is a possibility that the bound elastic public network IP may be blocked by attacks. When configuring the NAT gateway to access the public network, which of the following measures is recommended for users to provide high system reliability?

Configure multiple DNAT rules in a VPC subnet

When configuring DNAT rules, bind multiple EIP addresses

Configure multiple SNAT rules in a VPC subnet

When configuring SNAT rules, bind multiple EIP addresses

198. Which of the following scenarios is suitable for object storage? (Multiple choice)

Mass storage resource pool