ACP-Cloud1 Exam Dumps : ACP Cloud Computing Certification

Default VSwitches can only be created in default VPCs

If you have already created a VPC and a VSwitch by yourself, when creating a cloud product instance, the instance cannot be created under the default VSwitch

Default and non-default VSwitches have the same constraints and operations

Default VSwitches are created for you by Alibaba Cloud. Any VSwitches you create are non-default switches

Create three Security Groups, each containing all ECS instances under these three VSwitches. First, configure each Security Group to allow access to all CIDR Blocks. Then, configure each Security Group to forbid access to the CIDR blocks of the other two VSwitches (with this rule given higher priority than the previous rule).

Create three Security Groups, each containing all ECS instances under these three VSwitches. First, configure each Security Group to allow access to all CIDR Blocks. Then, configure each Security Group to forbid access to the CIDR blocks of the other two VSwitches (with this rule given a lower priority than the previous rule).

Create one Security Group containing all ECS instances under these three VSwitches. First, configure the Security Group to allow access to all CIDR Blocks. Then, configure the Security Group to forbid access to the CIDR blocks of the other two VSwitches (with this rule given higher priority than the previous rule).

None of these answers are correct.

"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.