ACP Cloud Computing ACP-Cloud1 Real Exam Questions

1. 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 user request is directed to the server nearest to the customer based on location information of the pre-configured IP section.

The intelligent DNS resolution can parse the same domain name into different IP addresses based on the IP of different visitors.

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

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.

2. 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________.

Hashes

Keys

Objects

Stubs

3. All RDS for MySQL backups are full backups.

True

False

4. Many websites have suffered DDoS attacks of different volumes. Therefore, accurate understanding of DDoS attacks is critical to website security protection.

Which of the following statements about DDoS attacks is the MOST accurate?

The purpose of a DDoS attack is to steal confidential information.

The main purpose of a DDoS attack is to prevent the target server from providing normal services. Currently, the DDoS attack is one of the strongest and most indefensible website attacks.

A DDoS attacks crack the server’s logon password by means of a massive number of attempts.

DDoS attacks primarily target databases.

5. 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.

None of these answers are correct.

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.

Modify the VPC Security Group policy, to allow access from the Internet.

Bind an EIP to each of the ECS instances, and Jog on to each of these ECS instances to manage them.

6. Which of the following privilege is required to manually install Alibaba Clod Security Center on the server?

Database Access privilege

Common user privilege

System administrator privilege

FTP service privilege

7. Company A constructed a sales management platform using three Elastic Compute Service (ECS) instances. One of the instances runs MySQL, and is used as the database server. The other two instances are used as Web servers After some time, the number of employees in Company A dramatically increases, leading to higher sales volumes At the same time, the platform response speed is gradually decreasing too.

According to the report from CloudMonitor, the average CPU utilization rate of the two Web servers exceeds 70%, and database load reaches 75% Company A can select Alibaba Cloud_________ services.to cope with the issue and optimize the performance. (Number of correct answers: 2)

Import database data into Object Storage Service (OSS) to share the storage pressure on the platform

Incorporate Server Load Balancer (SLB) and add additional ECS instances to relieve the load on existing ECS instances

Use Content Delivery Network (CDN) to enhance content loading speed

Replace the self-built MySQL database with ApsaraDB for RDS to obtain better database performance, and utilize RDS read-only instances to handle read-only requests

8. SLB is a load balancing service that distributes traffic to multiple cloud servers It provides a wide range of functions to meet the needs of various business scenarios If a user wants to use SLB and ECS instances to deploy two-way authenticated HTTPS websites, the following statement is correct_______.

SLB can only host SSL certificates, not CA certificates.

You need to host server SSL certificates and client CA certificates on SLB

SLB can only host CA certificates, not SSL certificate

SLB can only support HTTPS one-way authentication

9. To meet business requirements, a user requires that the backend server of an SLB instance include a primary ECS instance and a secondary ECS instance. When the primary instance is working properly, the traffic is only forwarded to the primary ECS, when the primary instance is down, traffic is switched to the standby instance. In this case, you can create an active/standby server group on the backend of the SLB instance.

Which kind of listener supports this feature? (Number of correct answers: 2)

HTTPS

HTTP

UDP

TCP

10. Which of the following scenarios can be done using Alibaba Cloud Express Connection? (Number of correct answers: 2)

Intranet communication between VPCs and Smart Access Gateway in customers different branch offices

Intranet communication between a VPC and servers in an external IDC

Intranet communication between two VPCs in different accounts and different CIDR Blocks

Intranet communication between two VPCs under the same account in the same region

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