ACA-Developer 試験問題を無料オンラインアクセス

Which of the following errors may occur when you access an image stored in Object Storage Service, and attach an image processing URL parameter to the URL ? (Number of correct answers: 3)

• A.NoSuchObject
• B.NoSuchBucket
• C.NoSuchFile
• D.NoSuchStyle
• E.NoSuchKey

In order to have your applications interact with Alibaba Cloud RabbitMQ, you need to create related MQ resources first. Which of the following resources must be created? (Number of correct answers: 3)

• A.Vhost
• B.Exchange
• C.Queue
• D.Topic
• E.Broker

When a developer calls the Alibaba Cloud SDK to access Elastic Compute Service (ECS), the following error is returned; RealNameAuthenticationError What is the possible cause?

• A.The API callers account and password are not authorized for ECS access.
• B.The ECS instance name conflicts with other instance names.
• C.The ECS instance name violates the ECS service's naming conventions.
• D.The user's Alibaba Cloud account has not passed real name authentication

You have an application with the following requirements:
7. There will be a lot of video content that need to be uploaded.
2. Each uploaded video needs to be preprocessed to provide different video resolutions and quality levels to accommodate different devices and network conditions.
3. It should be possible to process video in parallel at scale, to ensure that videos are preprocessed in a reasonable amount of time.
Which of the following Alibaba Cloud applications can be combined to provide a low operation and maintenance burden and relatively low operating costs? (Number of correct answers: 3)

• A.Function Compute
• B.Log Service
• C.Elastic Compute Service (ECS)
• D.Serverless Workflow
• E.Server Load Balancer (SLB)

Which of the following statements describe the trace/D and spanID in a service tracking system (such as Zipkin) correctly? (Number of correct answers: 3)

• A.Spanld can locate the position of a request in the system call, and who its upstream and downstream dependencies are respectively.
• B.Traceld is used to distinguish the sequence of calls between different services of the system, spanld is used to concatenate all the paths that a certain request traverses in the system.
• C.The tracelD will be called with each layer and passed back continuously, so through traceld, the path of a user request in the system can be connected in series.
• D.When the user's request enters the system, a globally unique traceld will be generated on the first layer of the calling network.