A fully updated 2021 ACA-Operator Exam Dumps exam guide from training expert DumpsFree
Provides complete coverage of every objective on exam and exam preparation ACA-Operator
NEW QUESTION 31
Which of the following descriptions of the principles of Alibaba Cloud SSL certificate private key protection is correct?
- A. The plaintext of Alibaba Cloud's private key is usually stored on disk and backed up regularly
- B. Alibaba Cloud Certificate Service keys are loaded into memory in plaintext format ONLY when needed.
- C. Alibaba Cloud uses the built-in functionality of the SSL certificate service to encrypt and store the private key to ensure the security of your certificate's private key
- D. Alibaba Cloud Certificate Service uses symmetric encryption to save the certificate private key.
Answer: B
NEW QUESTION 32
Which of these Alibaba Cloud services are used for security (either credentials management, logging, or auditing?) (Number of correct answers: 3)
- A. Key Management Service (KMS)
- B. Log Service
- C. ActionTrail
- D. Table store
Answer: A,B,C
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/27280.htm
NEW QUESTION 33
How does Cloud Config get permission to gather information about other Alibaba Cloud services?
- A. It gets automatic permission to access everything, because it is an Alibaba Cloud service
- B. By storing a copy of your password
- C. An Access Key
- D. A RAM Role
Answer: D
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/156642.htm
NEW QUESTION 34
Which of the following is NOT required for SMC (Server Migration Center) to migrate a server to Alibaba Cloud?
- A. The SMC client transfers the source data to an intermediate ECS instance
- B. From the SMC console, configure the type of disk image to be generated during the migration
- C. The SMC backend service generates a target Alibaba Cloud image based on the migration source
- D. Import the migration source information to the SMC console
Answer: B
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/127116.htm
NEW QUESTION 35
A developer accesses logs in a Log Service Logstore via the API. The error code returned by the server is 404.
Which of these could be the cause?
- A. The log project (Project) does not exist
- B. Server is busy: please try later
- C. Server internal error
- D. The requested digital signature does not match
Answer: A
Explanation:
Explanation
Error 404 ProjectNotExist: The error message returned because the specifiedproject does not exist.https://www.alibabacloud.com/help/doc-detail/29018.htm
NEW QUESTION 36
Which of the following statements about ECS Snapshot is NOT correct?
- A. You can roll back a disk by using a snapshot
- B. You can create an ECS instance from a snapshot
- C. You can manually create snapshots
- D. You can create automatic snapshots
Answer: B
Explanation:
Explanation
You can create a custom image from a snapshot that contains the operating system and data of an ECS instance. Then, you can use the custom image to create multiple instances that have identical application environments.
https://www.alibabacloud.com/help/doc-detail/25391.htm
NEW QUESTION 37
Which of the following options correctly describes CloudMonitor Custom Monitoring and Custom Events?
(Number of correct answers: 2)
- A. Custom Monitoring is used for collection of non-continuous event data, such as information about ECS instance restarts
- B. Custom Events is for periodic and continuous collection of time series monitoring data, queries, and alarms
- C. Custom Monitoring is used for periodic and continuous collection of time series monitoring data, queries, and alarms
- D. Custom Events is used for collection of continuous event type data, queries, and alarms
Answer: C,D
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/35170.htm
NEW QUESTION 38
If 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. Create a single web application and upload the corresponding code package via the Function Compute console (or fcli)
- C. Manually install the Node.js in the Function Compute console
- D. Start and verify the application in the Function Compute console
Answer: C
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/73329.htm
NEW QUESTION 39
CloudMonitor is for tracking operations on cloud resources.
- A. False
- B. True
Answer: A
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/35170.htm
NEW QUESTION 40
Which Alibaba Cloud service is used to manage cloud computing resources including the deployment?
- A. Resource Orchestration Service (ROS)
- B. Operation Orchestration Service (OOS)
- C. Resource Access Management (RAM)
- D. Maintenance Orchestration Service (MOS)
Answer: A
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/28852.htm
NEW QUESTION 41
Which of these metrics are collected by CloudMonitor's Host Monitoring function? (Number of correct answers: 3)
- A. ECS network I/O
- B. Running processes on the ECS instance
- C. Storage space used by OSS buckets
- D. CPU status of the ECS instance
Answer: A,B,D
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/35170.htm
NEW QUESTION 42
As the system administrator of a multinational company, you are responsible for the accounts and resources management on the cloud. Which of the following solutions are suitable for your company's IT Governance? (Number of correct answers: 3)
- A. Use Cloud Config and Action Trail for compliance and audit
- B. Stop using Action Trail and Cloud Config to save the storage cost
- C. Use CEN for interconnecting different networks globally, use shared VPC to share services between different organizations
- D. Use role-based SSO for Identities access, use resource directory to manage the resources in shared service account and master account
- E. Use one single VPC for all the resources to have the best performance
Answer: A,C,D
Explanation:
Explanation
https://www.alibabacloud.com/solutions/it-governance
NEW QUESTION 43
Which of the following database connection methods does ApsaraDB for Redis support? (Number of correct answers: 2)
- A. Redis-cli
- B. Sentinel
- C. Aliyun-cli
- D. DMS (Data Management Service)
Answer: A,D
NEW QUESTION 44
ApsaraDB for HBase is a cost-effective cloud-based intelligent SQL service that is of high scalability and compatible with the open source HBase.
- A. False
- B. True
Answer: A
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/49501.htm
NEW QUESTION 45
RAM supports custom policies.
- A. True
- B. False
Answer: A
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/93733.htm
NEW QUESTION 46
Which of the following features are unique to Alibaba Cloud Container Registry, as compared with Docker Hub? (Number of correct answers: 2)
- A. For source code hosted on websites outside China, Container Registry can use servers outside China to build Docker images, even when you are using a Container Registry instance in Mainland China.
- B. Container Registry can automatically build new Docker images when source code changes.
- C. You can set your image repository access to public or private.
- D. You can create and delete image repositories in different regions based on your needs.
Answer: A,D
NEW QUESTION 47
You are responsible for the system operations of a product and have implemented the cloud infrastructure in the Alibaba Cloud platform. When business loads increase, _______ automatically adds ECS instances to ensure sufficient computing capabilities. When business loads decrease, the same service automatically removes ECS instances to save costs. Which service are you using?
- A. Resource Orchestration Service (ROS)
- B. Auto Scaling
- C. Resource Access Management (RAM)
- D. Server Load Balancer (SLB)
Answer: A
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/25857.htm
NEW QUESTION 48
PolarDB supports three engines: MySQL, PostgreSQL and Oracle.
- A. False
- B. True
Answer: A
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/58764.htm
NEW QUESTION 49
Which of the following descriptions describes the (Security Token Service) STS service correctly? (Number of correct answers: 3)
- A. Through the STS service, RAM users or RAM roles can obtain a temporary token that allows them to call the Alibaba Cloud API or use the web console
- B. The STS service supports the use of both HTTP and HTTPS protocols
- C. When calling the STS API, in order to ensure the safe calling of the API, Alibaba Cloud will authenticate each API request through a signature when each API call is made
- D. A STS request consists of an access address, communication protocol, request method, request parameters and character encoding
Answer: A,C,D
NEW QUESTION 50
Alibaba Cloud Log Service allows you to store and search logs from a variety of sources, but has no built-in visualization capabilities.
- A. False
- B. True
Answer: A
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/102530.htm
NEW QUESTION 51
After you enable health checks of Server Load Balancer (SLB), when one backend ECS instance is declared as unhealthy, which of the following statements is correct?
- A. Requests are forwarded to other normal ECS instances and the unhealthy ECS instance is shutted down
- B. Requests are not forwarded to the ECS instances and you get back a 500 error
- C. Requests are forwarded to other normal ECS instances. When the faulty ECS instance becomes normal, SLB forwards requests to the ECS instance again
- D. Requests are not forwarded to the ECS instances and you get back a 400 error
Answer: C
Explanation:
Explanation
https://www.alibabacloud.com/help/doc-detail/27702.htm
NEW QUESTION 52
......
Tested Material Used To ACA-Operator: https://www.dumpsfree.com/ACA-Operator-valid-exam.html