2021 Realistic Verified Free Alibaba Cloud ACA-Developer Exam Questions
ACA-Developer Real Exam Questions and Answers FREE
Alibaba Cloud ACA-Developer Exam Syllabus Topics:
| Topic | Details |
|---|---|
| Topic 1 |
|
| Topic 2 |
|
| Topic 3 |
|
| Topic 4 |
|
| Topic 5 |
|
| Topic 6 |
|
| Topic 7 |
|
| Topic 8 |
|
| Topic 9 |
|
| Topic 10 |
|
| Topic 11 |
|
| Topic 12 |
|
NEW QUESTION 51
In Alibaba Cloud RocketMQ, messages are kept for up to _____ days. We recommend configuring a monitoring service to watch the consumption status, and intervene manually when ''not consumed but to be deleted'' message alarms occur.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 52
You have a Java application with source code stored on GitHub. Now you want to build a container image using this code, and store it on a Container Registry instance located in Mainland China. Which of the following is the simplest, lowest maintenance option?
- A. Associate your Alibaba Cloud Container Registry instance with your GitHub repository, and upload the Java code and Dockerfile to GitHub Set u Jenkins environment to automate the process of building the container image and pushing it to your Container Registry instance.
- B. Associate your Alibaba Cloud Container Registry instance with your GitHub repository, and upload the Java code and Dockerfile to GitHub Th Container Registry's built-in build service, configuring a rule that will rebuild your container image whenever your GitHub code is updated
- C. Download the Java code from GitHub to your laptop, build the Docker image using a local Dockerfile, and use docker push to upload It to Container Registry.
- D. Upload the Dockerfile to GitHub for version control, then download it together with the Java code to your local device, compile and pack container image, and upload the image to Alibaba Cloud Container Registry via docker push .
Answer: B
NEW QUESTION 53
Which of the following descriptions of Alibaba Cloud's SSL certificate service are correct? (Number of correct answers: 2)
- A. EV certificates are suitable for large enterprises, financial institutions, etc.
- B. Alibaba Cloud SSL Certificate Service supports the purchase of three types of certificates: DV certificates, OV certificates, and EV certificates.
- C. DV level certificates are suitable for government organizations, enterprises, educational institutions, etc.
- D. OV certificates are suitable for personal websites.
Answer: B,D
NEW QUESTION 54
Which of these are suitable use cases for Alibaba Cloud's MongoDB service? (Number of correct answers: 3)
- A. Applications requiring geo-location queries, such as logistics or order status apps
- B. Scenarios where complex transaction support is required
- C. Applications requiring high OPS, such as logging apps
- D. Applications where JSON is a good choice of storage format
Answer: A,B,C
NEW QUESTION 55
A development team currently supports an application that is designed to be deployed on a single server's local memory As part of migrating to Alibaba Cloud, the team needs to use Auto Scaling, and must therefore move their game state data off of their servers, so that they can automatically scale up and down without losing game data. Where should the team store these game results to best allow for consistent results without impacting performance?
- A. Log Service
- B. Redis
- C. OSS
- D. RDS
Answer: B
NEW QUESTION 56
In PolarDB, if an UPDATE SQL statement encounters an issue, you need to check the execution plan to figure out the root cause. However, in the production environment, to avoid affecting the production data, what statement should you use to view the execution plan? (Number of correct answers: 2)
- A. explain verbose SQL
- B. explain analyze verbose SQL
- C. explain analyze SQL
- D. explain SQL
Answer: A,C
NEW QUESTION 57
you have a Node.js based application and you plan to migrate it to Alibaba Cloud Function Compute, which of the following steps is unnecessary?
- A. Configure program startup commands and access ports in the Function Compute console
- B. Manually install the Node. Js package in the Function Compute console
- C. Start and verify the application in the Function Compute console
- D. Create a single web application and upload the corresponding code package via the Function Compute console (or fcli)
Answer: B
NEW QUESTION 58
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. Bucket Policy
- B. Object Policy
- C. ACL
- D. IntranetAccess
- E. STS authorization
- F. RAM Policy
- G. Dynamic blacklist
Answer: A,B,C,E
NEW QUESTION 59
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. Zipkln
- B. Pinpoint
- C. Skywalklng
- D. Jaeger
Answer: D
Explanation:
Explanation
https://www.alibabacloud.com/blog/opentracing-implementation-of-jaeger_594957
NEW QUESTION 60
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
Answer: B
NEW QUESTION 61
You can use Alibaba Cloud Data transmission service (DTS) or the open source tool Redis-shake to migrate and synchronize data from a local Redis instance to an Alibaba Cloud Redis instance. What is one feature which DTS has but Redis-shake does not?
- A. Incremental data migration
- B. Full data migration
- C. One-way data synchronization
- D. Two-way data synchronization
Answer: B
NEW QUESTION 62
Alibaba Cloud Content Delivery Network (CDN) is a suitable product for the following scenarios: (Number of correct answers: 2)
- A. News websites with more than 30 million daily page views and users are all from Singapore.
- B. BBS forums with less than 100 daily page views.
- C. Images, HTML, CSS and JS files on a medium-sized E-commerce website.
- D. Static sites with more than 100,000 daily page views.
Answer: A,B
NEW QUESTION 63
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. Log service
- B. Table Store
- C. Function Compute
- D. Object Storage Service (OSS)
Answer: C
NEW QUESTION 64
Which of the following detection protocol is NOT supported by CloudMonitor's Site Monitoring feature?
- A. DNS
- B. TCP/UDP
- C. HTTP(S)
- D. SNMP
Answer: D
NEW QUESTION 65
Which of the following configurations cannot improve the stability, reliability or availability of an Alibaba Cloud Scaling Group? (Number of correct answers: 3)
- A. Choose a variety of different ECS types when creating your Scaling Configuration
- B. Select multiple VPCs when creating the scaling group
- C. When creating the scaling group, select multiple Vswitches in multiple Zone within a Region
- D. In the process of creating a Scaling Group, associate multiple Server Load Balancers
Answer: A,B,D
NEW QUESTION 66
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. Simple Upload
- C. Form Upload
- D. Multipart Upload
Answer: A
NEW QUESTION 67
A Developer is asked to implement a caching layer in front of RDS. Cached content is expensive to regenerate in case of service failure. Which implementation below would work while maintaining maximum uptime?
- A. Implement ApsaraDB for Redis in Cluster Mode
- B. Implement ApsaraDB for Redis in Standard Mode
- C. Migrate the ROS database to HBase to save the cache layer
- D. Install Redis on an ECS instance
Answer: C
NEW QUESTION 68
To meet data analytics requirements on large datasets, which of these databases can meet the demand for structured and semi-structured storage for almost all types of data, albeit with limited support for strong transactions?
- A. HBase
- B. RDSMariaDB
- C. TSDB
- D. OceanBase
Answer: B
NEW QUESTION 69
......
Exam Dumps ACA-Developer Practice Free Latest Alibaba Cloud Practice Tests: https://www.itpassleader.com/Alibaba-Cloud/ACA-Developer-dumps-pass-exam.html