Free Access AlibabaCloud.ACP-Cloud1.v2024-06-09.q49 Practice Test (Page 3)

Question 6

Alibaba Cloud Server Load Balancer (SLB) provides services for distributing traffic among multiple ECS instances SLB can expand the application system's service capacity through traffic distribution, and improve the system's availability by eliminating SPoFs (Single Points of Failure). Which of the following statements are correct? (Number of correct answers; 2)

A.SLB provides a function to automatically synchronize data among backend ECS instances using rsync remote synchronization.

B.When recreating an SLB instance that has an Internet IP address, a new Internet IP address will be assigned to the SLB instance.

C.One of SLB's features is the Health Check. If some of the backend ECS instances are down, whereas other backend ECS instances can still provide services, then the system can continue to work normally.

D.Before using SLB to provide external services, make sure that you have installed and correctly configured the SLB agent on all of the backend ECS instances.

Question 7

If an administrator often needs to manage multiple ECS instances in an Alibaba Cloud VPC through the Internet Which of the following solutions can meet this need at low costs and without affecting system security.

A.Bind an EIP to each of the ECS instances, and Jog on to each of these ECS instances to manage them.

B.Modify the VPC Security Group policy, to allow access from the Internet.

C.None of these answers are correct.

D.Choose an ECS instance from VPC and make it as the bastion host And then, apply an EIP and bind it to this ECS instance. After that the administrator can manage other ECS instances through this bastion host.

Question 8

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 cores. 8G, Memcache: 2 cores: 16G

B.Tomcat: 4 cores 8G. Memcache: 2 cores 8G

C.Tomcat: 4 cores, 4G, Memcache: 2 cores, 8G

D.Tomcat: 4 cores: 4G, Memcache: 2 cores: 16G

Question 9

When using Alibaba Cloud SLB to forward layer 7 (HTTP) service requests. SLB will replace the IP address in the HTTP header file to forward requests.
Therefore the source IP address that can be seen on the backend ECS instance is the IP address of SLB instead of the clients real IP address.

A.True

B.False

Question 10

If 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?

A.The DNS service provider used by the domain name (such as abc.com) can be companies other than Alibaba Cloud.

B.The CNAME address allocated to the domain name (such as abc.com) will point to an IP address. This IP address resolving mechanism is intelligently managed by Alibaba Cloud CDN system.

C.The DNS service provider used by the domain name (such as abc.com) must support intelligent resolution.

D.If your domain name (such as abc.com) is transferred to Alibaba Cloud in advance, and managed by the same Alibaba Cloud account, you can perform one-step resolution modification.

Other Version: 1721AlibabaCloud.ACP-Cloud1.v2025-05-08.q109; 1911AlibabaCloud.ACP-Cloud1.v2023-07-15.q27; 2115AlibabaCloud.ACP-Cloud1.v2022-10-18.q27; 2092AlibabaCloud.ACP-Cloud1.v2022-07-18.q23; 3124AlibabaCloud.ACP-Cloud1.v2022-01-17.q25

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