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lf you need to accelerate a certain domain name (such as abc.com) via Alibaba Cloud Content Delivery Network (CDN), you must add it to "CDN Domain Name List" in the CDN service. After added successfully, you will get a CNAME address A. Next, you need to modify domain name resolution and direct the domain name (such as abc.com) to CNAME address A. Which of the following is a NOT correct description of modifying domain name resolution? (Single answer)
lf you need to accelerate a certain domain name (such as abc.com) via Alibaba Cloud Content Delivery Network (CDN), you must add it to "CDN Domain Name List" in the CDN service. After added successfully, you will get a CNAME address A. Next, you need to modify domain name resolution...
Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. This service can automatically adjust. (Single answer)
Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. This service can automatically adjust. (Single answer)A . Number of ECS instances B.CPU for ECS instances C. Memory size for ECS instances D. Bandwidth for ECS instancesView AnswerAnswer: A
When using Auto Scaling, you want to add/remove ECS instances based on the utilization rate of computing resources. For example, you want to remove one ECS instance when the average CPU utilization rate is not greater than 30%. In this case, you need to set the scaling rule "Remove 1 ECS instance" and _____to finish the configuration. (Single answer)
When using Auto Scaling, you want to add/remove ECS instances based on the utilization rate of computing resources. For example, you want to remove one ECS instance when the average CPU utilization rate is not greater than 30%. In this case, you need to set the scaling rule "Remove 1...
Which of the following ports does RDs for MySQL listen on by default? (Single answer)
Which of the following ports does RDs for MySQL listen on by default? (Single answer)A . Port 8080 B. Port 3060 C. Port 3600 D. Port 3306View AnswerAnswer: D
lf you need to make the ECS instances under three VSwitches (inside the same Alibaba Cloud VPC) cannot access to each other, meanwhile, not affecting other Intranet connections in this VPC, what should you do? (Single answer)
lf you need to make the ECS instances under three VSwitches (inside the same Alibaba Cloud VPC) cannot access to each other, meanwhile, not affecting other Intranet connections in this VPC, what should you do? (Single answer)A . Create three Security Groups, which respectively include all ECS instances under these...
User A is the system administrator of a company, who often takes business trips to Shanghai. Each time he remotely logs on to the server in Shanghai, an alert is reported, prompting "Someone is remotely logging on to the server. Please pay attention to your server security ". Which of the following methods can be used to quickly and automatically resolve this problem? (Single answer)
User A is the system administrator of a company, who often takes business trips to Shanghai. Each time he remotely logs on to the server in Shanghai, an alert is reported, prompting "Someone is remotely logging on to the server. Please pay attention to your server security ". Which of...
Which of the following statements is NOT correct, when comparing RDS with a self-built database? (Single answer)
Which of the following statements is NOT correct, when comparing RDS with a self-built database? (Single answer)A . 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. B.RDS provides automatic backup while self-built databases require you...
An insurance company has more than 200,000 online orders per day on their platform. in the past one year, the platform has suffered frequent large volume DDoS attacks (exceeding 10 Gbps). Which of the following Alibaba Cloud products can the customer use to defend against this type of attacks and ensure service availability? (Single answer)
An insurance company has more than 200,000 online orders per day on their platform. in the past one year, the platform has suffered frequent large volume DDoS attacks (exceeding 10 Gbps). Which of the following Alibaba Cloud products can the customer use to defend against this type of attacks and...
Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost-effective storage service. One of the special characteristics of OSS is its superior data reliability, because of its underlying backup technology and policies. Which of the following statements about OSS backup is correct? (Single answer)
Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost-effective storage service. One of the special characteristics of OSS is its superior data reliability, because of its underlying backup technology and policies. Which of the following statements about OSS backup is correct? (Single answer)A . OSS...
in Alibaba Cloud 0bject Storage, users want to use graphical tools to upload and download object files. Which tools can they use? (Single answer)
in Alibaba Cloud 0bject Storage, users want to use graphical tools to upload and download object files. Which tools can they use? (Single answer)A . ossbrowser B. ossutil C. osscmd D. ossfsView AnswerAnswer: A
