Pass Alibaba Cloud ACA-Cloud1 Exam with Guarantee Updated 75 Questions
Latest ACA-Cloud1 Pass Guaranteed Exam Dumps Certification Sample Questions
Alibaba Cloud ACA-Cloud1 Exam Syllabus Topics:
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NEW QUESTION 11
Alibaba Cloud's object storage (Object Storage Service, OSS for short) can be used to store massive amount of files, but there is still a maximum number of files in a single bucket.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 12
ECS can be used along with ______ to store static images, videos, and reducing storage fees.
- A. VPC
- B. Server Load Balancer
- C. RDS
- D. OSS
Answer: D
Explanation:
Explanation/Reference: http://static-aliyun-doc.oss-cn-hangzhou.aliyuncs.com/download/pdf/DNA0011858383_en- US_intl_190320132947_public_91775d442a4b315acafcb25df8bcc84f.pdf
NEW QUESTION 13
Server Load Balancer can help protect from attack.
- A. SQL injection
- B. Virus
- C. DDoS
- D. Ransomware
Answer: C
Explanation:
Reference:
https://www.alibabacloud.com/help/doc-detail/27539.htm
NEW QUESTION 14
Alibaba Cloud OSS is a cloud storage service that features massive capacity, outstanding security, low cost, and high reliability. To control the access to the files stored on OSS, OSS provides multiple access permissions for each bucket. These bucket permissions are . (Choose three.)
- A. Private
- B. Public-read-write
- C. Public-read
- D. Private-read
Answer: A,B,C
Explanation:
Reference:
https://www.alibabacloud.com/help/doc-detail/100676.htm
NEW QUESTION 15
As a cloud computing service provider, Alibaba Cloud provides security services including. (Choose two.)
- A. IP white list setting for RDS.
- B. Security operation for underlying hardware of cloud computing.
- C. Application maintenance in ECS instances.
- D. Security isolation between cloud computing tenants.
Answer: B,D
NEW QUESTION 16
Some applications may encounter large traffic fluctuations within a short period. When ECS is used with
, the number of ECS instances is automatically adjusted based on traffic.
- A. Auto Scaling
- B. OSS
- C. Server Load Balancer
- D. RDS
Answer: A
Explanation:
Reference:
https://www.alibabacloud.com/help/doc-detail/25371.htm
NEW QUESTION 17
Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost effective storage service. OSS is superior than self-built storage in all these aspects. Which of the following advantage relates to the high availability of OSS?
- A. The following features are available: Multiple Authentication and Authorization mechanism, Whitelist, Anti- leech URL, and Master-Sub Account
- B. Data has to be backed up by customer manually, which is time-consuming and labor-intensive.
- C. Data Reliability is not less than 99.99999999%. Data is backed up automatically with multiple redundant copies.
- D. Availability actually relies on the underlying hardware, which can break down easily. Once the hard disk malfunctions, it can also lead to permanent data loss.
Answer: C
Explanation:
Reference:
https://www.alibabacloud.com/blog/alibaba-cloud-object-storage-vs--ibm-cloud-and-oracle-cloud- equivalent_293464
NEW QUESTION 18
Your website has oscillating traffic peaks that are difficult to predict in advance. In this scenario, it is recommended to use SLB and __________________ together with ECS.
- A. Auto Scaling
- B. VPC
- C. RDS
- D. MaxCompute
Answer: A
NEW QUESTION 19
Which of the following statements is true for RDS?
- A. Multiple databases can be created in one RDS instance.
- B. None of the above is true.
- C. Resources are not shared among the databases in the same RDS instance.
- D. Databases with the same name are allowed in the same instance.
Answer: A
NEW QUESTION 20
Some applications may encounter large traffic fluctuations within a short period. When ECS is used with__________, the number of ECS instances is automatically adjusted based on traffic.
- A. Auto Scaling
- B. OSS
- C. Server Load Balancer
- D. RDS
Answer: A
NEW QUESTION 21
As a cloud computing service provider, Alibaba Cloud provides security services including________. (Choose two.)
- A. IP white list setting for RDS.
- B. Security operation for underlying hardware of cloud computing.
- C. Application maintenance in ECS instances.
- D. Security isolation between cloud computing tenants.
Answer: B,D
Explanation:
Reference:
https://www.alibabacloud.com/solutions/security
NEW QUESTION 22
Multiple lower-configuration I/O-optimized ECS instances can be used withto deliver a high- availability architecture.
- A. Server Load Balancer
- B. Auto Scaling
- C. OSS
- D. RDS
Answer: A
NEW QUESTION 23
Multiple lower-configuration I/O-optimized ECS instances can be used with to deliver a high- availability architecture.
- A. Server Load Balancer
- B. Auto Scaling
- C. OSS
- D. RDS
Answer: A
NEW QUESTION 24
A/An _________________ is a copy of data on a disk at a certain point in time.
- A. EIP
- B. template
- C. snapshot
- D. image
Answer: C
NEW QUESTION 25
Which of the following statements to OSS bucket is not correct?
- A. Every user can create more than one bucket
- B. Every bucket should have a unique name
- C. There is no limitation to objects number inside one bucket
- D. Bucket name can be changed after creation
Answer: D
NEW QUESTION 26
Your website has high volume of traffic and sudden spikes for a very short time. In this scenario, can manage traffic peak efficiently and maintain a consistent user experience.
- A. Auto Scaling
- B. VPC
- C. Server Load Balancer
- D. RDS
Answer: A
NEW QUESTION 27
Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. Which of the following application scenarios are suitable for Auto Scaling?
(Choose three.)
- A. When an ECS instance reacts abnormally in a scaling group, Auto Scaling will create a new ECS instance to take over the computing tasks conducted by the faulty instance.
- B. You need to flexibly adjust elastic computing resources based on your business needs, and ECS instances will be reduced automatically to save costs when business needs drop.
- C. You want to flexibly adjust elastic computing resources based on your business needs, and ECS instances will be automatically upgraded (with more Memory, more powerful CPU) when needed.
- D. You need to flexibly adjust elastic computing resources based on your business needs, and ECS instances will be added seamlessly to address traffic peaks and surges.
Answer: A,B,D
NEW QUESTION 28
Server Load Balancer can manage sudden spikes in traffic, minimize response time and maintain 99.99% availability of your web application.
- A. FALSE
- B. TRUE
Answer: B
Explanation:
Explanation
Manage sudden spikes in traffic, minimize response time and maintain 99.99% availability of your web application with Server Load Balancer.
NEW QUESTION 29
Which of the following statements to OSS bucket is not correct?
- A. Every user can create more than one bucket
- B. Every bucket should have a unique name
- C. There is no limitation to objects number inside one bucket
- D. Bucket name can be changed after creation
Answer: D
Explanation:
Reference:
https://www.alibabacloud.com/help/doc-detail/31885.htm?spm=a2c63.p38356.a3.3.43f03bb9a3KjLl
NEW QUESTION 30
Your website has oscillating traffic peaks that are difficult to predict in advance. In this scenario, it is recommended to use SLB andtogether with ECS.
- A. Auto Scaling
- B. VPC
- C. RDS
- D. MaxCompute
Answer: A
NEW QUESTION 31
Which of the following is not the database type supported by RDS?
- A. MySQL
- B. SQL Server
- C. Postgre SQL
- D. Oracle database
Answer: D
Explanation:
Explanation/Reference: https://aws.amazon.com/rds/features/
NEW QUESTION 32
Auto Scaling can automatically remove unhealthy ECS instances from the scaling group (this feature is called Elastic Self-Health). Yet, after removal, the user has to manually add equivalent amount of new ECS instances back to the scaling group.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 33
A company uses Alibaba Cloud SLB and Auto Scaling at the same time, hoping this combination can help save O&M cost and provide a stable and reliable system.
However, because they do not have relevant experience, the company's engineers listed some precautions based on their understanding, and turned the list to you for advice.
As an expert of Alibaba Cloud, you tell them only is correct.
- A. All backend servers under the same SLB instance must have the same configuration
- B. SLB instances must have Health Check enabled, or they cannot be used together with Auto Scaling
- C. All backend servers under the same SLB instance must be in the same Scaling Group
- D. All ECS instances under the same SLB instance must be running on the same operating system
Answer: B
Explanation:
Reference:
https://www.alibabacloud.com/blog/comprehensive-upgrade-of-alibaba-cloud-auto-scaling- product_594112
NEW QUESTION 34
Your friend purchases some Alibaba Cloud resources and uses them to build an online training website. Before the site goes online, your friend wants to perform some performance tests but doesn't know how to do it. In this case, which of the following services can help?
- A. None Of The Above
- B. After-Sales Support Service
- C. Support Ticket Service
- D. Load and Performance Testing Service
Answer: B
NEW QUESTION 35
SQL injection is a common application layer attack, usually through building special input parameters and pass it to web applications to steal or sabotage the application dat a. Which of the following is the target for SQL injection?
- A. Confidential files on the server
- B. Database
- C. Pictures on server
- D. Web application
Answer: B
Explanation:
Reference:
https://www.rapid7.com/fundamentals/sql-injection-attacks/
NEW QUESTION 36
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ACA-Cloud1 Updated Exam Dumps [2021] Practice Valid Exam Dumps Question: https://drive.google.com/open?id=1oQAPQcpscUklnDEVPNohtHTP4n9twouS
