AliCloud ACA-Cloud1 ACA Cloud Computing Certification Exam Online Training
AliCloud ACA-Cloud1 Online Training
The questions for ACA-Cloud1 were last updated at Nov 22,2024.
- Exam Code: ACA-Cloud1
- Exam Name: ACA Cloud Computing Certification Exam
- Certification Provider: AliCloud
- Latest update: Nov 22,2024
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 target for DDoS attack is the database.
- B . DDoS attack will try to crack the password through a large number of attempts.
- C . 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.
- D . The purpose of DDoS attack is to steal confidential information.
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 . 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.
- 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 . 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.
- D . 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.
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 . Anti-DDoS Basic
- B . Anti-DDoS pro
- C . WAF
- D . Server Guard
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, so the data can be manually recovered should there be any problem.
- B . Customer has to safeguard their own data. OSS provides various backup interfaces to facilitate offsite backups.
- C . OSS leverages RAID0+1 configuration of its underlying physical hard disks. There is no impact even if 2 hard disks were to fail simultaneously.
- D . OSS supports 3 internal data copies, no human intervention is required to recover the data when anything goes wrong.
Alibaba Cloud China Connect is a service that can help international companies do business in China.
Which of the following services is not included in China Connect?
- A . Web hosting
- B . ICP Support
- C . Office registration support
- D . Connect your service with Alibaba Group ecosystem
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 . Running
- B . Created
- C . Stopped
- D . Preparing
RDS provides whitelist access policies. You can set permitted IP addresses and IP network segments to effectively prevent hackers from attacking the server by port scanning.
- A . TRUE
- B . FALSE
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 . SLB instances must have Health Check enabled, or they cannot be used together with Auto Scaling
- B . All ECS instances under the same SLB instance must be running on the same operatingsystem
- C . All backend servers under the same SLB instance must be in the same Scaling Group
- D . All backend servers under the same SLB instance must have the same configuration
Which three of the following statements about domain name binding to your OSS bucket are correct? (Choose three.)
- A . Your customized domain name will be audited by Alibaba Cloud
- B . your customized domain name need to be put on record in MIIT (Ministry of Industry and Information Technology)
- C . the number of domain names you bind to one bucket can’t exceed 20
- D . mapping a domain name to your bucket endpoint is mandatory
You canan ECS instance’s configuration. (Choose two.)
- A . upgraded
- B . downgraded
- C . downloaded
- D . uploaded
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