Which of the following configurations is most recommended?

Alibaba Cloud ECS provides multiple instance types to meet the needs of different business scenarios. A medium-sized enterprise user wants to use two ECS instances, one to deploy a single Tomcat service and the other one to deploy Memcache. Which of the following configurations is most recommended?A . Tomcat: 4...

March 30, 2025 No Comments READ MORE +

When using Alibaba Cloud SLB, users can enable the health check function. Layer-4 SLBs (TCP protocol) determine the availability of ECS instances through_____________. (Single answer)

When using Alibaba Cloud SLB, users can enable the health check function. Layer-4 SLBs (TCP protocol) determine the availability of ECS instances through_____________. (Single answer)A . Whether the 3-way handshake can be established between the backend ECS instance and the SLBB . Special characters contained in the message returned from...

March 28, 2025 No Comments READ MORE +

Which tools can they use?

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 . ossbrowserB . ossutilC . osscmdD . ossfsView AnswerAnswer: A

March 27, 2025 No Comments READ MORE +

in Alibaba Cloud VPC, the device used for connecting each VSwitch is. (Single answer)

in Alibaba Cloud VPC, the device used for connecting each VSwitch is. (Single answer)A . route tableB . VRouterC . ECSD . SLBView AnswerAnswer: B

March 26, 2025 No Comments READ MORE +

AVirtual Private Cloud (VPC) is an isolated network environment that is completely isolated from each other. The following statements about VPC are correct______. (Number of correct answers: 2)

AVirtual Private Cloud (VPC) is an isolated network environment that is completely isolated from each other. The following statements about VPC are correct______. (Number of correct answers: 2)A . Each VPC has an independent tunnel ID, and a tunnel ID corresponds to a virtualized network.B . Subnets can be divided...

March 25, 2025 No Comments READ MORE +

Which of the following is a NOT correct description of modifying domain name resolution?

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...

March 23, 2025 No Comments READ MORE +

Which of the following statements are correct about cloud computing?

Cloud computing adopts a common model in Distributed System. It distributes a computing task to the resource pool (comprised of a large number of computers). Elastically utilize the resource pool can allow applications to obtain computing capacity, storage space, and message services according to the needs. Which of the following...

March 23, 2025 No Comments READ MORE +

When creating an Alibaba Cloud VPC, you must specify Intranet network segments used in the VPC with CIDR Block. This CIDR Block can later be modified after the VPC is created

When creating an Alibaba Cloud VPC, you must specify Intranet network segments used in the VPC with CIDR Block. This CIDR Block can later be modified after the VPC is createdA . TRUEB . FALSEView AnswerAnswer: B

March 22, 2025 No Comments READ MORE +

If 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)

If 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...

March 19, 2025 No Comments READ MORE +

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 two VPCs under the same account in the same regionB . Intranet communication between two VPCs in different accounts and different CIDR BlocksC . Intranet communication between VPCs...

March 19, 2025 No Comments READ MORE +