Alibaba Cloud ACP-Cloud1 問題集

質問 1：
In some cases, you can purchase Elastic Compute Service (ECS) instances in Pay-As-You-Go mode to meet the demands for requiring additional computing resources in a particular period of time and set an auto-release time to release these Pay-As-You-Go instances later. ___________________ is a correct description of this operation.
A. You cannot cancel the set auto-release time of the ECS instance
B. You can set the auto-release time of the ECS instance once
C. You can set the auto-release time of the ECS instance multiple times
D. You can set the auto-release time only when creating the Elastic Compute Service (ECS) instance
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 2：
You deployed a website on an Alibaba Cloud Elastic Compute Service (ECS) instance. After some time, you are concerned that the ECS instance might be compromised by brute-force password cracking. To address this issue, you can use Alibaba Cloud's ________________ product.
A. Server Load Balancer
B. Object Storage Service
C. Security Center
D. CloudMonitor
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 3：
All RDS for MySQL backups are full backups.
A. False
B. True
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Names of the files in each OSS bucket must be unique Also, they can be renamed.
A. False
B. True
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Different Alibaba Cloud VPCs are completely isolated from each other.
By default, the VPCs cannot communicate with each other over Intranet, but you can establish VPN connections via the Internet to achieve interconnection between VPCs.
A. False
B. True
正解：A
解説: (Topexam 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. 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.
B. 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.
C. 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.
D. Use the security group function of the ECS instance, and respectively deploy ECS instances running different subsystems to independent security groups.
正解：B,C,D
解説: (Topexam メンバーにのみ表示されます)

質問 7：
When you initiate a request via an Open API provided by Alibaba Cloud Elastic Compute Service (ECS), whether the request is initiated successfully or not, the server will return ______________________ as a unique identifier.
A. Responseld
B. Messageld
C. Time stamp
D. Requestld
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 8：
Which of the following statements is true for RDS?
A. None of the above is true
B. Multiple databases can be created for one instance
C. Databases with the same name are allowed in the same instance
D. Resources are not shared among the databases in the same instance
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 9：
In Auto Scaling, the cool-down time of a scaling group refers to the lockout period after a scaling activity has been executed successfully. Which of the following statements about cool-down time are true? (Choose two.)
A. During the cool-down time, only the scaling activities in the same scaling group are locked.
B. During the cool-down time of a scaling group, only the alarms from CloudMonitor can bypass the cool- down time and trigger scaling activities, whereas other scaling activities, such as manually triggered ones, will still be subject to the cool-down time.
C. When multiple ECS instances are added or removed from a scaling group, the cool-down time begins only when the last instance has been added or removed from the scaling group.
D. You can't skip a scaling group's cool-down time period right after a scaling activity is just finished.
正解：A,C
解説: (Topexam メンバーにのみ表示されます)