Alibaba Cloud ACA-Developer 問題集

質問 1：
Alibaba Cloud Link Tracing Analysis supports call link reporting based on the Open Tracing standard. Which of the following client types does link tracing support? (Number of correct answers:3)
A. Pinpoint
B. Zipkln
C. Jaeger
D. Skywalklng
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Alibaba Cloud's ECS disk snapshotting tool can create crash-consistent snapshots for all types of Cloud Disks.
It is a convenient and efficient disaster recovery method. It is often used for data backup, custom mirroring, application disaster recovery, etc. Which of the following is NOT a correct description of disk snapshots?
A. Snapshot rollbacks can be performed while the ECS instance is running.
B. In the event of a system failure, you can use a snapshot to roll back the Cloud Disk to an earlier point in time.
C. Snapshots can be created manually through the web console or command line tools, or automatically according to a schedule.
D. A snapshot is a backup file of the cloud disk data state at a certain point in time. The first snapshot of the cloud disk is a full snapshot of the ac usage. Empty data blocks are not backed up. All subsequent snapshots are incremental snapshots, and only changed data blocks are stored.
正解：D

質問 3：
You want to deploy a LAMP development environment in Alibaba Cloud's Singapore region, and you want to simultaneously bind a domain name and configure HTTPS. Which of these services can help you accomplish this quickly and easily?
A. Elastic Compute Service (ECS)
B. Alibaba Cloud Container Service for Kubernetes (ACK)
C. Elastic Container Instance (ECI)
D. Simple Application Server (SAS)
正解：D

質問 4：
What are the benefits of creating indexes on PolarDB? (Number of correct answers: 2)
A. Improve the efficiency of DML operations such as UPDATE.
B. Reduce invalid data scanning.
C. Improve the efficiency of DDL operations.
D. Improve the query efficiency SELECT statements.
正解：B,D

質問 5：
Which of the following options is not included in Object Storage Service (OSS) object URLs?
A. Zone name
B. Filename
C. Bucket name
D. Region name
正解：D

質問 6：
Which of the following cloud services can be integrated with Alibaba Cloud KMS (Key Managed Service)?
(Number of correct answers: 3)
A. Elastic Compute Service (ECS)
B. Object Storage Service (OSS)
C. Relational Database Service (RDS)
D. Server Load Balancer (SLB)
正解：A,B,C
解説: (Topexam メンバーにのみ表示されます)

質問 7：
When using the Alibaba Cloud CLI, what is the default data format for responses, when executing queries such as "aliyun ecs Describelnstances"?
A. TABLE
B. XML
C. YAML
D. JSON
正解：D

質問 8：
Which of the following configurations cannot improve the stability, reliability or availability of an Alibaba Cloud Scaling Group? (Number of correct answers: 3)
A. In the process of creating a Scaling Group, associate multiple Server Load Balancers
B. Select multiple VPCs when creating the scaling group
C. Choose a variety of different ECS types when creating your Scaling Configuration
D. When creating the scaling group, select multiple Vswitches in multiple Zone within a Region
正解：A,B,C

質問 9：
A job hunting website stores user's resumes in Object Storage Service (OSS) The current resume upload process is as follows:
7. Users upload resumes
2. The server responds to the upload request
3. The resume is uploaded to the server
4. 1 he server uploads the resume to OSS
Which of the following methods can be used to upload objects to OSS without requiring Step 3?
A. Append Upload
B. Multipart Upload
C. Simple Upload
D. Form Upload
正解：A