[Sep-2021] Valid Way To Pass Alibaba Cloud Exam Dumps with ACA-Cloud1 Exam Study Guide
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NEW QUESTION 37
Which of the following statements to OSS bucket is not correct?
- A. Every bucket should have a unique name
- B. There is no limitation to objects number inside one bucket
- C. Every user can create more than 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 38
As a cloud computing service provider, Alibaba Cloud provides security services including. (Choose two.)
- A. IP white list setting for RDS.
- B. Application maintenance in ECS instances.
- C. Security isolation between cloud computing tenants.
- D. Security operation for underlying hardware of cloud computing.
Answer: C,D
NEW QUESTION 39
A/Anis a copy of data on a disk at a certain point in time.
- A. EIP
- B. snapshot
- C. image
- D. template
Answer: B
NEW QUESTION 40
If you are running an online ticket booking service with relatively fixed traffic, then which kind of charging mode is more suitable for you?
- A. Paypal-pay
- B. Pay-As-You-Go
- C. Prepaid
- D. bitcoin-pay
Answer: B
NEW QUESTION 41
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. RDS
- B. Auto Scaling
- C. OSS
- D. Server Load Balancer
Answer: B
Explanation:
Reference:
https://www.alibabacloud.com/help/doc-detail/25371.htm
NEW QUESTION 42
Which of the following statements to OSS bucket is not correct?
- A. Every bucket should have a unique name
- B. There is no limitation to objects number inside one bucket
- C. Every user can create more than one bucket
- D. Bucket name can be changed after creation
Answer: D
Explanation:
Explanation/Reference: https://www.alibabacloud.com/help/doc-detail/31885.htm?spm=a2c63.p38356.a3.3.43f03bb9a3KjLl
NEW QUESTION 43
In which of the following cases would you need to apply an ICP license? (Choose three.)
- A. Open your office in China
- B. Launch your online shop in China
- C. Accelerate your Overseas Website in China
- D. Launch your website in China
Answer: A,B,D
NEW QUESTION 44
Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured and cost effective storage service. One of the special characteristics of OSS is its superior data reliability, because of its underlying backup technology and policies. Which of the following statement about OSS backup is correct?
- A. OSS supports 3 internal data copies, no human intervention is required to recover the data when anything goes wrong.
- B. OSS leverages RAID0+1 configuration of its underlying physical hard disks. There is no impact even if
2 hard disks were to fail simultaneously. - C. Customer has to safeguard their own data. OSS provides various backup interfaces to facilitate offsite backups.
- D. OSS supports 3 internal data copies, so the data can be manually recovered should there be any problem.
Answer: C
NEW QUESTION 45
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. TRUE
- B. FALSE
Answer: A
NEW QUESTION 46
A company wants to migrate its system to public cloud platform and they choose Alibaba Cloud. The migration process is very important and they want to ensure that everything works right. Which of the following services can the company choose?
- A. Alibaba Cloud Product Operation Training
- B. Event Management Service
- C. Aftersales Support
- D. Alibaba Cloud Architecture Design Training
Answer: D
NEW QUESTION 47
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. VPC
- B. RDS
- C. Auto Scaling
- D. Server Load Balancer
Answer: C
NEW QUESTION 48
You built an online shop using Alibaba Cloud services (ECS, RDS, ...etc.) and very soon you'll have a campaign that every customer that invites 3 friends will get a 50% off coupon. To avoid HTTP flood attacks and ensure only genuine customers (not bots) joining the event, which security product should you choose?
- A. WAF
- B. Server Guard
- C. Anti-DDoS Basic
- D. Anti-DDoS pro
Answer: A
Explanation:
Explanation
After adding your website to the WAF protection list, you can enable HTTP Flood protection and select an appropriate protection mode for the website
NEW QUESTION 49
Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. It supports adding existing ECS instances into the scaling group, whose status however must be________.
- A. Preparing
- B. Running
- C. Stopped
- D. Created
Answer: B
NEW QUESTION 50
Server Load Balancer can help protect fromattack.
- A. DDoS
- B. Ransomware
- C. SQL injection
- D. Virus
Answer: A
NEW QUESTION 51
You are developing a highly available web application using stateless web servers. Which services are suitable for the application? (Choose three.)
- A. SLB
- B. ECS
- C. RDS
- D. OSS
- E. MaxCompute
Answer: B,C,D
Explanation:
Reference:
http://docs-aliyun.cn-hangzhou.oss.aliyun-inc.com/pdf/slb-faq-intl-en-2017-03-29.pdf
NEW QUESTION 52
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. Load and Performance Testing Service
- B. Support Ticket Service
- C. After-Sales Support Service
- D. None Of The Above
Answer: C
Explanation:
Reference:
https://www.alibabacloud.com/support/after-sales
NEW QUESTION 53
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. Load and Performance Testing Service
- B. Support Ticket Service
- C. After-Sales Support Service
- D. None Of The Above
Answer: C
NEW QUESTION 54
When we talk about the 'Elastic' feature for ECS product, we are not talking about.
- A. Elastic Network
- B. Elastic Storage
- C. Elastic Administration
- D. Elastic Computing
Answer: C
NEW QUESTION 55
A company wants to use Alibaba Cloud service to replace their self-built database, which of the following services should it choose?
- A. AsparaDB for RDS
- B. Alibaba Cloud CDN (Content Delivery Network)
- C. Deploy more ECS instances
- D. Server Load Balancer (SLB)
Answer: C
NEW QUESTION 56
Which of the following statements is true for RDS?
- A. Multiple databases can be created in one RDS instance.
- B. Databases with the same name are allowed in the same instance.
- C. None of the above is true.
- D. Resources are not shared among the databases in the same RDS instance.
Answer: A
Explanation:
Reference:
https://www.alibabacloud.com/help/doc-detail/26092.htm
NEW QUESTION 57
Anti-DDoS is one of the major features in Alibaba Cloud Security Service. Many websites have experienced different types of DDoS attacks, an accurate understanding of DDoS is crucial to protecting websites. Which of the following descriptions about DDoS attack is the most accurate one?
- A. The main purpose of DDoS attack is to make the target server unable to provide service normally, which is one of the network attacks that are most difficult to defend.
- B. The main target for DDoS attack is the database.
- C. The purpose of DDoS attack is to steal confidential information.
- D. DDoS attack will try to crack the password through a large number of attempts.
Answer: A
NEW QUESTION 58
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. VPC
- B. RDS
- C. Auto Scaling
- D. MaxCompute
Answer: C
NEW QUESTION 59
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