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Total 505 Questions | Updated On: Nov 18, 2024

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Question 1

Which of the following descriptions of stateful and stateless apps is correct? Single selection

A : Tenants can deploy stateless applications through Auto Scaling to ensure high scalability of applications

B : Tenants can deploy stateful applications through Auto Scaling to ensure high scalability of applications

C : The scalability of stateful applications is better than that of stateless applications

D : The performance of stateful applications is better than that of stateless applications

Answer: A

Question 2

During the research stage of business migration to the cloud enterprises need to collect source-end system information. The following description of the source information that needs to be collected. which is wrong?

A : You need to collect the effective data amount and disk size of the source host teaching disk

B : You need to collect the kernel version of the source host operating system

C : The network bandwidth from the source host to the target platform needs to be collected

D : You need to collect the average usage during the CPU-day period of the source host

Answer: D

Question 3

An enterprise customer needs to deploy a new service on the cloud due to business expansion. The system deployed this time does not have high requirements for the continuity of the web side and application applications, and can be recovered half an hour after the failure. The system has high data security requirements and requires a data loss tolerance of less than 30 seconds. As an operations implementer for the company, which of the following methods should you deploy? Multiple selection

A : The amount of new service access is not large, according to the service access, the WEB side and application can be deployed on a single machine, and the new cloud host can be re-applied to resume business after the failure

B : Data backup is required for new service data security considerations. WEB TERMINALS AND APPLICATIONS CAN BE BACKED UP BY HOST BACKUP OR IMAGE PACKAGING. The database is backed up at the same time as a highly available deployment

C : With the needs of business development, business needs to expand. THE WEB SIDE AND THE APPLICATION ARE SCALED HORIZONTALLY, AND THE DATABASE IS VERTICALLY EXPANDED

D : Business systems have high requirements for databases, and primary/standby instances can be deployed from the perspective of high availability to ensure data reliability

Answer: B,C,D

Question 4

The following description of using HPA+CA to achieve automatic scaling of workload and node linkage, which one is wrong? Radio

A : CCE cloud container engine supports the creation of CA policies, scales capacity according to CPU/memory allocation ratio, and periodically scales nodes according to time

B : HPA expands according to the monitoring standard. and when the cluster resources are insufficient, the newly created pod will be in the Running state, CA All Running states are checked for POD According to the user-configured scaling policy, select the most suitable node pool to scale

C : Under normal circumstances, the two need to be used together, because HPA requires sufficient resources in the cluster to successfully expand. and when the cluster resources are not enough, the CA needs to expand the nodes so that the cluster has sufficient resources

D : When the cluster has a large amount of spare resources after HPA scale-in, the CA scale-in node needs to release resources so as not to cause waste

Answer: B

Question 5

A social platform business has strong volatility and cannot be predicted in advance. When hot events occur, the service pressure increases sharply, and more ECS is required to ensure high service performance. But when running smoothly and without hot events, the pressure is relatively low and not requiring as much ECS. Which of the following scenarios can help reduce costs for this business? Multiple selection

A : Purchase an on-demand ECS instance and manually scale out during peak service hours, delete the redundant instances

B : and use AutoScali. The periodic policy of the nG service is scaled regularly to cope with service peaks

C : Purchasing Reserved Instances (on-demand packages) can save fees when creating and deleting ECS instances (compared to the subscription cycle).

D : Use the alarm policy of AutoSc a ling service to scale out the capacity horizontally when a high ECS load is detected: Detected When the ECS load is low, it can be scaled down to save costs

Answer: C,D

Page: 1 / 101

Total 505 Questions | Updated On: Nov 18, 2024

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