Deck 12: HCIA-Cloud Service V2.2

Question 1

Which of the following statements about ECSs are true? (Choose all that apply.)

A) You can view ECS resources on the console
B) You can create and delete ECSs, reinstall and change OSs, and start or stop ECSs
C) You can use public images, private images, or shared images to apply for ECSs
D) You can add and remove extension NICs, add EIPs, attach and detach disks, and create key pairs

Answer 1

You can use public images, private images, or shared images to apply for ECSs

Question 2

Which of the following are container orchestration tools? (Choose all that apply.)

A) Kubernetes
B) OpenShift
C) Docker Swarm
D) Mesos

Answer 2

Kubernetes
Docker Swarm

Question 3

Which of the following cloud services can be combined with ELB to protect applications against external attacks?

A) CTS
B) Cloud Eye
C) AAD
D) AS

Answer 3

AAD

Question 4

Which of the following can be used for communications between the network of an on-premises data center and a VPC subnet? (Choose all that apply.)

A) Direct Connect
B) VPN
C) EIP
D) ELB

Question 5

CBR supports one-off backup and periodic backup.

Question 6

An EVS disk can be attached to a cloud server that comes from a different AZ as the EVS disk.

Question 7

Which of the following is not a storage class of OBS?

A) Backup storage
B) Standard storage
C) Archive storage
D) Infrequent Access storage

Question 8

Which of the following statements about EVS and snapshots is false?

A) You can roll back a snapshot to the source EVS disk when the disk is in the Available state
B) A snapshot can be rolled back to any designated EVS disk
C) If data on an EVS disk has errors or is corrupted, you can roll back the data snapshot to the source disk to restore the data
D) Creating a snapshot will fail if the EVS disk is in the Attaching state or Expanding state

Question 9

After an ECS is created, its bandwidth cannot be changed.

Question 10

You cannot deploy applications on ECSs in a manner similar to that on traditional physical servers.

Question 11

CBR supports four types of backups: EVS disk backups, cloud server backups, file system backups, and hybrid cloud backups.

Question 12

Which of the following is auto scaling not recommended for? (Choose all that apply.)

A) ECSs with data logs
B) ECSs with application sessions
C) ECSs with database applications
D) ECSs with static web pages

Question 13

Which of the following operations incurs charges?

A) Creating a subnet
B) Assigning an EIP
C) Creating a VPC
D) Creating a security group

Question 14

After an AS group is deleted, ECS instances automatically created by AS will also be deleted.

Question 15

Which of the following statements about public clouds is false?

A) A public cloud can have a large number of users
B) Public clouds can optimize resources at scale
C) An enterprise uses their in-house infrastructure to build up a public cloud, which provides internal IT services for the enterprise
D) Public clouds are accessible over the Internet

Question 16

Which of the following statements about route tables is false?

A) You cannot add custom routes to a route table
B) When you create a VPC, the system automatically creates a default route table, which enables internal communication within the VPC
C) A route table contains a set of rules, called routes, that are used to control where inbound and outbound subnet traffic is forwarded to in a VPC
D) If you do not need to explicitly control how each subnet routes inbound and outbound traffic, you can use the default route table and do not need to configure custom routes

Question 17

The Identify and Access Management (IAM) service is enabled by default and is free of charge.

Question 18

Which of the following may result in failure to enable an AS policy? (Choose all that apply.)

A) No alarm policy is configured
B) The trigger time of the scheduled policy has expired
C) The system is abnormal
D) The effective time of the periodic policy has expired

Question 19

What operations can a shared image provider perform? (Choose all that apply.)

A) Add tenants who can use a shared image
B) Share a specified image
C) Remove tenants who can use a shared image
D) Delete a shared image

Question 20

Traditional IT infrastructure architecture is already unable to support efficient enterprise operations. Which of the following is not a key cause?

A) High TCO
B) Slow network rates
C) Slow service rollout and complex lifecycle management
D) I/O bottlenecks restricting application performance

Question 21

To monitor the OS of an ECS, you must manually install the Agent on the ECS.

Question 22

Cloud Eye can monitor instance and bandwidth scaling in AS.

Question 23

DIS is a one-stop, collaborative big data development platform. It helps in jobs such as data modeling, data integration, script development, and job scheduling.

Question 24

Which of the following does the HUAWEI CLOUD VPN service consist of? (Choose all that apply.)

A) Subnet
B) VPC
C) VPN gateway
D) VPN connection

Question 25

Which of the following statements about ELB is false?

A) Auto scaling according to incoming traffic
B) It provides dedicated connections
C) It allows users to deploy SSL certificates on load balancers
D) It provides public and private network load balancers

Question 26

Which of the following are acceleration scenarios supported by HUAWEI CLOUD CDN? (Choose all that apply.)

A) VOD acceleration
B) Website acceleration
C) Download acceleration
D) Whole site acceleration

Question 27

You can create a VPC peering connection between two VPCs in your account or with a VPC in your account and a VPC in another account, but the VPCs must be in the same region. You cannot create a VPC peering connection between two VPCs in different regions.

Question 28

Which of the following HUAWEI CLOUD CDN applications include dynamic and static content acceleration?

A) VOD acceleration
B) Whole site acceleration
C) Download acceleration
D) Website acceleration

Question 29

HUAWEI CLOUD sends service alarms to customers using the SMN service.

Question 30

Which of the following services can be monitored by Cloud Eye? (Choose all that apply.)

A) ECS
B) VPC
C) DCS
D) ELB

Question 31

When unsubscribing from a Direct Connect connection, you do not need to delete the virtual gateway and virtual interface associated with the connection.

Question 32

WAF detects abnormalities in HTTP requests to prevent web page tampering, information leakage, and Trojan horse implantation.

Question 33

Compared with Advanced Anti-DDoS, Anti-DDoS provides professional CC defense.

Question 34

ELB supports cloud servers running different OSs.

Question 35

Compared with self-built databases, which of the following is not an advantage of RDS?

A) Manual installation of database software
B) Easy management
C) Instant availability
D) Elastic scaling

Question 36

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

A) GaussDB (openGauss)
B) GaussDB (for PostgreSQL)
C) GaussDB (for MySQL)
D) GaussDB (for Mongo)