ACP-Cloud1無料問題集「Alibaba Cloud ACP Cloud Computing Professional」

質問 1

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）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.

（B）None of these answers are correct.

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

（D）Modify the VPC Security Group policy, to allow access from the Internet.

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

Names of the files in each OSS bucket must be unique Also, they can be renamed.

（A）False

（B）True

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 3

When the "'Obtain the Visitor's Real IP Address" function is enabled in Alibaba Cloud SLB For layer 7 services, you can obtain the real IP addresses of visitors through the______________field in HTTP header

（A）Connection

（B）Etag

（C）X-Forwarded-For

（D）Authorization

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 4

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, 4G, Memcache: 2 cores, 8G

（C）Tomcat: 4 cores 8G. Memcache: 2 cores 8G

（D）Tomcat: 4 cores: 4G, Memcache: 2 cores: 16G

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 5

Alibaba Cloud Content Delivery Network (CDN) performs content acceleration with the support of intelligent DNS resolution The following function_________is NOT included in intelligent DNS resolution.

（A）The intelligent DNS resolution supports web page content caching. A user will receive data from the origin site at first-time access, and then will be reading data from cache in subsequent requests

（B）If a user activates mirror sites in different IDCs, intelligent DNS resolution can achieve load balancing by guiding customers in different places to different mirror sites.

（C）The intelligent DNS resolution can parse the same domain name into different IP addresses based on the IP of different visitors.

（D）A user request is directed to the server nearest to the customer based on location information of the pre-configured IP section.

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 6

A large enterprise wants to migrate the entire business system to Alibaba Cloud to save the overall IT procurement and O&M costs From the security aspect, the company requires that
1. Must support secured remote O&M because the administrator often takes business trips.
2. Networks between subsystems should be isolated because subsystems are independently used by different departments Which of the followings should be used together to meet the company's requirements? (Number of correct answers: 3)

（A）Enable the VPN on the bastion host (or directly use the VPN image on Alibaba Cloud Marketplace).
The administrator uses VPN encrypted communication during O&M.

（B）Build an independent ECS instance as the bastion host or remote logon and O&M, and authorize the bastion host to access ECS instances running other subsystems.

（C）Use the security group function of the ECS instance, and respectively deploy ECS instances running different subsystems to independent security groups.

（D）Create multiple ECS instances in the VPC to install subsystems of different departments- Allocate only Intranet IP addresses to all ECS instances, and deploy them in the same security groups.

正解：A、B、C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 7

Auto Scaling can automatically adjust the number of ECS instances based on user-defined scaling rules to meet service needs. If a user cannot predict service changes or does not have enough history data, he/she can still use dynamic scaling mode to automatically add/remove ECS instances based on certain Cloud Monitor performance metrics (such as the CPU utilization rate)

（A）False

（B）True

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

ACP-Cloud1 無料問題集「Alibaba Cloud ACP Cloud Computing Professional」

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