Alibaba Cloud ACA-Developer 問題集

質問 1：
Which of the following web applications are suitable for deployment on Simple Application Server (SAS), as compared with LCS? (Number of correct answers: 3)
A. Quickly build serverless site using Function Compute
B. Quickly build a small e-commerce website
C. Set up a NoSQL database service
D. Quickly build a personal, learning, or test environment
E. Quickly build a personal blog website
正解：A,D,E

質問 2：
You can create an event notification rule in Message Service and push notifications to the specified consumer in the form of messages, to receive events from specified Alibaba Cloud resources. Which of the following options are correct statements about the Message Service (MS) service? (Number of correct answers: 2)
A. Event Notifications can cross regions.
B. The event notification message is retained within the valid time. When you fail to receive an event message, the event notification message is retried based on the specified retry policy.
C. The consumer type of the event notification message can be HTTP Server, Queue, or Topic.
D. Message Service provides synchronous notifications to ensure the consistency between the message acknowledgment and event processing.
正解：B,D

質問 3：
Which of the following database connection methods does ApsaraDB for Redis support? (Number of correct answers: 2)
A. Sentinel
B. Redis-cIl
C. DMS (Data Management Service)
D. aliyun-cll
正解：A,B

質問 4：
Which of the following options describes the basic concepts of Alibaba Cloud Tracing Analysis correctly?
(Number of correct answers: 3)
A. Alibaba Cloud Tracing Analysis model relies on OpenTracing
B. In the OpenTracing standard, a call chain can be regarded as a directed acyclic graph (DAG) composed of multiple Spans. The relationship between spans is named References
C. In the OpenTracing standard, each Span represents a named and timed non-continuous execution segment in the call chain
D. In some cases, timing diagrams based on the timeline are used to show the call chain
正解：A,B,C

質問 5：
A certain project of Enterprise A (called Project-X) moves to the cloud and will need to use a variety of s Alibaba Cloud resources, such as ECS instances, RDS instances, SLB instances, and OSS storage space. There are multiple employees on the project who need to operate these cloud resources. Because each employee has different job responsibilities and requires different permissions, what is the WRONG approach to resource management?
A. Use system policies to bind reasonable permissions policies to users or user groups, and customize policies for more fine-grained control
B. Create RAM users each employee, and set login passwords or create AccessKey credentials as needed
C. When creating RAM for users, give each user both web console AND AccessKey credentials: there is no need to keep these separate
D. When there are multiple RAM users under a cloud account, create user groups to classify and authorize RAM users with the same responsibilities
正解：B

質問 6：
Which data format is NOT supported by Alibaba Cloud Message Service?
A. VERBOSE
B. XML
C. JSON
D. SIMPLIFIED
正解：A

質問 7：
Which of the following permission control policies does Object Storage Service (OSS) provide for access to objects stored in a bucket? (Number of correct answers: 4)
A. IntranetAccess
B. RAM Policy
C. Bucket Policy
D. Object Policy
E. Dynamic blacklist
F. ACL
G. STS authorization
正解：C,D,F,G

質問 8：
A game company is developing a game application for the Apple and Android platforms. Currently, this application stores user data (as flat files) securely on the local storage of a user's device. The game company wants to provide a new feature that allows customers to play the same game on different devices, which requires synchronizing user data between different devices. Which of the following cloud services supports this requirement without creating a new back-end application?
A. Object Storage Service (OSS)
B. Function Compute
C. Log service
D. Table Store
正解：B

質問 9：
Which
of the following parameter locations should be specified for the parameter of key1 where the request URL is in the form: http://somesite.com/test?key1 =[value1] ?
A. HTTP Header
B. Query
C. Parameter Path
D. HTTP Body
正解：C