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For ECS and RDS instances under different Alibaba Cloud accounts but in the same region, which of the following statements is NOT correct for migrating self-built MySQL databases (running on ECS) to RDS?
For ECS and RDS instances under different Alibaba Cloud accounts but in the same region, which of the following statements is NOT correct for migrating self-built MySQL databases (running on ECS) to RDS?A . The data can be imported via the IntranetB . The data cannot be migrated.C . The...
RDS provides whitelist access policies. You can set permitted IP addresses and IP network segments to effectively prevent hackers from attacking the server by port scanning.
RDS provides whitelist access policies. You can set permitted IP addresses and IP network segments to effectively prevent hackers from attacking the server by port scanning.A . TrueB . FalseView AnswerAnswer: A
Different Alibaba Cloud VPCs are completely isolated from each other.
Different Alibaba Cloud VPCs are completely isolated from each other. By default, the VPCs cannot communicate with each other over Intranet, but you can establish VPN connections via the Internet to achieve interconnection between VPCs.A . TrueB . FalseView AnswerAnswer: A
Which of the following scenarios can be done using Alibaba Cloud Express Connection? (Number of correct answers: 2)
Which of the following scenarios can be done using Alibaba Cloud Express Connection? (Number of correct answers: 2)A . Intranet communication between VPCs and Smart Access Gateway in customers different branch officesB . Intranet communication between a VPC and servers in an external IDCC . Intranet communication between two VPCs...
To exploit the different service capacities of backend ECS instances, which of the following statements is correct?
The backend server pool of an Alibaba Cloud SLB contains multiple ECS instances, which may have different service capacities. To exploit the different service capacities of backend ECS instances, which of the following statements is correct?A . Choose Weighted Round Robin mode to set higher weights to ECS instances with...
Which of the following statements about DDoS attacks is the MOST accurate?
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?A . The purpose of a DDoS attack is to steal confidential information.B . The main purpose...
Which kind of listener supports this feature?
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...
By using ApsaraDB for RDS to implement read/write splitting, which of the following can be achieved? (Number of correct answers 2)
By using ApsaraDB for RDS to implement read/write splitting, which of the following can be achieved? (Number of correct answers 2)A . Write requests are distributed to multiple instances.B . Read requests are distributed to multiple instances.C . Read/write requests to the database are separated.D . Both read and write...
