ACP-Cloud1

Which of the following statements is NOT correct, when comparing RDS with a self-built database?
A . Self-built database support quick deployment and elastic scaling.
B . RDS requires no O&M while self-built database require a dedicated DBA for maintenance, which results in high HR costs.
C . RDS features a high availability of 99 95% while self-built databases require you to implement data protection primary-standby replication, and RAID all by yourself.
D . RDS provides automatic backup while self-built databases require you to prepare storage space for backup copies and regularly verify that these copies can be restored.

View Answer

Answer: A

Names of the files in each OSS bucket must be unique Also, they can be renamed.
A . True
B . False

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Answer: B

You would like to deploy your applications on Alibaba Cloud to meet requirements including cost reduction, improving service availability, fast deployment- and redundant backup Alibaba Cloud_________products can help meet these requirements (Number of correct answers 3)
A . Elastic Compute Service (ECS) image achieve efficient and convenient deployment.
B . Utilizing Content Delivery Network (CDN) can meet the demands for redundant backup.
C . Utilizing Server Load Balancer (SLB) and ECS instances can improve data reliability.
D . Elastic Compute Service (ECS) snapshot satisfies the needs of rapid recovery of applications and data.
E . Reasonable selection of Regions/Zones meets the location needs of application deployment as well as the demands for redundantly backup critical business applications and data.

View Answer

Answer: B,C,E

Which of the following privilege is required to manually install Alibaba Clod Security Center on the server?
A . Database Access privilege
B . Common user privilege
C . System administrator privilege
D . FTP service privilege

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Answer: B

If you want to build a secure and isolated network environment on Alibaba Cloud; meanwhile, design your network topology and specify Intranet IP addresses or CIDR Blocks in this network environment as needed, you can choose
A . Leased line
B . Virtual Private Cloud (VPC)
C . Auto Scaling
D . Express Connect

View Answer

Answer: B

If an administrator often needs to manage multiple ECS instances in an Alibaba Cloud VPC through the Internet.

Which of the following solutions can meet this need at low costs and without affecting system security.
A . None of these answers are correct.
B . Choose an ECS instance from VPC and make it as the bastion host And then, apply an EIP and bind it to this ECS instance. After that the administrator can manage other ECS instances through this bastion host.
C . Modify the VPC Security Group policy, to allow access from the Internet.
D . Bind an EIP to each of the ECS instances, and Jog on to each of these ECS instances to manage them.

View Answer

Answer: A

Alibaba Cloud Content Delivery Network (CDN) performs content acceleration with the support of intelligent DNS resolution. The following function_________is NOT included in intelligent DNS resolution.
A . A user request is directed to the server nearest to the customer based on location information of the pre-configured IP section.
B . The intelligent DNS resolution can parse the same domain name into different IP addresses based on the IP of different visitors.
C . The intelligent DNS resolution supports web page content caching. A user will receive data from the origin site at first-time access, and then will be reading data from cache in subsequent requests
D . If a user activates mirror sites in different IDCs, intelligent DNS resolution can achieve load balancing by guiding customers in different places to different mirror sites.

View Answer

Answer: D

Alibaba Cloud Object Storage Service (OSS) is a cloud storage service that features massive capacity, outstanding security, low costs, and high reliability. In an OSS bucket, all elements are stored as________.
A . Hashes
B . Keys
C . Objects
D . Stubs

View Answer

Answer: C

Explanation:

OSS does not use a hierarchical structure for objects, but instead uses a flat structure. All elements are stored as objects in buckets. To use OSS in the same manner in which local file systems are used, you can configure Cloud Storage Gateway (CSG).

https://www.alibabacloud.com/help/doc-detail/31817.htm

All RDS for MySQL backups are full backups.
A . True
B . False

View Answer

Answer: A

Alibaba Cloud SLB can distribute user requests to backend ECS instances. These ECS instances must have the same specification (CPU, Memory)
A . True
B . False

View Answer

Answer: A