Free ACP Cloud Computing Certification Exam ACP-Cloud1 Exam Practice Test

After creating an RDS for MySQL read-only instance, which of the following CAN NOT be performed by the read-only instance in RDS management console?

• Parameter configuration
  
• Specification change
  
• SQL log auditing
  
• Intranet/Internet switchover
  

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
  

Which of the following ports does RDS for MySQL listen on by default?

• Port 8080
  
• Port 3306
  
• Port 3060
  
• Port 3600
  

When creating an ECS instance in your Alibaba Cloud VPC, you must specify a VSwitch for that instance at the same time. Otherwise, you will not be able to create this ECS instance.

• True
  
• False
  

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 loadreaches 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
  

Alibaba Cloud Content Delivery Network (CDN) is a distributed network that is built and overlaid on the bearer network Moreover it is composed of edge node server clusters distributed across different regions. It replaces the traditional data transmission mode, which is centered on Web servers. When using Alibaba Cloud CDN, a user's request wilt first reach the edge node, and then receive data from the origin site by means of back-to-source Moreover, the admin can obtain visitor's real IP on the origin site. Which of the following descriptions relate to 'obtaining visitors real IP' are correct? (Number of correct answers: 2)

• 'Visitor's real IP' is saved in 'X-Forwarded-For' header in HTTP protocol. It can be directly obtained in the user-defined LOG of Apache and Nginx.
  
• 'Visitor's real IP' can only be obtained by modifying the application
  
• You can one-step activate the 'recording visitor's real IP' function in Alibaba Cloud CDN console to directly view the visitor's real IP in the access log.
  
• In Windows, if IIS is used: after installing 'F5XForwardedFor' extension module. 'Visitor's real IP' can then be seen in the log.
  

A startup video streaming company deploys its service on Alibaba Cloud Elastic Compute Service (ECS) Christmas is coming soon and the CEO knows that they need to prepare more computing resources However, they don't want to purchase a large number of Elastic Compute Service (ECS) instances tor a long period of time. Instead, they want to buy ECS instances for a short period of time and release them after the event is over. Which of the following billing methods of ECS is the most suitable?

• Pay-As-You-Go Only
  
• Pay-As-You-Go with Reserved Instances
  
• Subscription with Reserved Instances
  
• Pay-As-You-Go with Savings Plan
  

Object Storage Service (OSS) supports sub accounts, and you can allocate access permissions to different buckets for each sub account.

• True
  
• False
  

Auto Scaling can automatically adjust the number of ECS instances based on user-defined scaling rules to meet service needs. If a user cannot predict service changes or does not have enough history data, he/she can still use dynamic scaling mode to automatically add/remove ECS instances based on certain CloudMonitor performance metrics (such as the CPU utilization rate)

• True
  
• False
  

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