Jul-2023 ACA-Cloud1 Study Material, Preparation Guide and PDF Download
Free ACA-Cloud1 Certification Sample Questions with Online Practice Test
The ACA-Cloud1 certification program is intended for individuals who are interested in pursuing a career in cloud computing. This certification is ideal for cloud architects, cloud engineers, system administrators, and IT professionals who want to enhance their knowledge and skills in cloud computing. The ACA-Cloud1 certification exam covers a range of topics, including cloud computing architecture, cloud security, and cloud migration.
NEW QUESTION # 20
Server Load Balancer supports protocols like . (Choose four.)
- A. MPLS
- B. UDP
- C. MQTT
- D. HTTP
- E. HTTPS
- F. TCP
Answer: B,D,E,F
Explanation:
Comprehensive protocol support - ICMP, TCP, UDP, HTTP, HTTPS,
Reference:
https://www.a10networks.com/resources/articles/server-load-balancing
NEW QUESTION # 21
feature in Server Load Balancer means that it can forward the access requests from a single user to the same ECS instance within a certain period to ensure session continuity.
- A. session persistence
- B. least connections scheduling
- C. Weighted Round Robin
- D. health check
Answer: A
Explanation:
Reference:
https://www.alibabacloud.com/help/doc-detail/55202.htm
NEW QUESTION # 22
Using a cloud computing service is simple and straightforward. One can choose the instance with desired specification, finish payment and then use it right away. Moreover, the underlying physical machines are managed by cloud service providers and transparent to users.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 23
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. Customer has to safeguard their own data. OSS provides various backup interfaces to facilitate offsite backups.
- 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. OSS supports 3 internal data copies, no human intervention is required to recover the data when anything goes wrong.
- D. OSS supports 3 internal data copies, so the data can be manually recovered should there be any problem.
Answer: A
NEW QUESTION # 24
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. Server Load Balancer
- B. OSS
- C. RDS
- D. Auto Scaling
Answer: D
Explanation:
Explanation/Reference: https://www.alibabacloud.com/help/doc-detail/25371.htm
NEW QUESTION # 25
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. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 26
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. FALSE
- B. TRUE
Answer: A
Explanation:
Explanation/Reference: https://apsarastackdocument.oss-cn-hangzhou.aliyuncs.com/01_ApsaraStackEnterprise/V3.5.2- intl-en/Alibaba%20Cloud%20Apsara%20Stack%20Enterprise%201808%20Security%20Whitepaper%20-%
2020180831.pdf
NEW QUESTION # 27
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. RDS
- B. Auto Scaling
- C. MaxCompute
- D. VPC
Answer: B
NEW QUESTION # 28
Which of the following statements to OSS bucket is not correct?
- A. Every bucket should have a unique name
- B. Every user can create more than one bucket
- 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 # 29
Alibaba Cloud Monitor service stems from years of experience of server monitoring technology in Alibaba group, leveraging the powerful data analysis capability of Alibaba cloud computing platform to provide monitoring service for various clients' applications and servers. A user receives an alert saying that the IOPS utilization rate for an ECS instance exceeds 80%. Yet, he/she is not sure how to handle the situation, the user may obtain help from Alibaba Cloud through the below methods ____________________? (Choose three.)
- A. You cannot obtain any help from Alibaba Cloud.
- B. Open a ticket to Alibaba Cloud help desk.
- C. Look for answers in Alibaba Cloud forum.
- D. Check ECS or CloudMonitor product documents.
Answer: B,C,D
NEW QUESTION # 30
An enterprise hosts their servers (include both Linux and Windows servers) in a traditional IDC. Every night hackers with IP addresses from many countries try to crack the password of their servers, making the administrator terribly worried about this. However, because of work requirements, the remote management port of these servers must be opened to public network.
The administrator heard that Alibaba Cloud has solutions that can help customers improve the security of their systems. Therefore, he/she wants to migrate the system to Alibaba Cloud. Which of the following functions should the administrator activate in Alibaba Cloud to reduce the possibility of brute force password cracking?
- A. CloudMonitor
- B. Anti-DDoS Basic Service
- C. Server Guard
- D. Situation Awareness
Answer: C
NEW QUESTION # 31
RDS for MySQL is a PaaS, which means after creating the RDS instance, the user does not need to take care of the underlying OS, runtime environment of software packages. These would be taken care of by Alibaba Cloud.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 32
Which of the following scenarios is applicable to use RDS read-only instances?
- A. Reduces the write pressure on the RDS primary instance.
- B. Implements data backtracking for the last two days.
- C. Reduces the read pressure on the RDS primary instance.
- D. Improves RDS storage capabilities.
Answer: C
NEW QUESTION # 33
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. Customer has to safeguard their own data. OSS provides various backup interfaces to facilitate offsite backups.
- B. OSS supports 3 internal data copies, no human intervention is required to recover the data when anything goes wrong.
- 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, so the data can be manually recovered should there be any problem.
Answer: A
NEW QUESTION # 34
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:
Manage sudden spikes in traffic, minimize response time and maintain 99.99% availability of your web application with Server Load Balancer.
Reference:
https://arcelon.co.id/product/server_load_balancer.php
NEW QUESTION # 35
ECS is a highly flexible service. It can be used independently as a simple web server, or used with other Alibaba Cloud products, such as OSS and CDN, to provide advanced solutions. ECS can be used in applications such as:. (Choose four.)
- A. Official corporate websites
- B. large-traffic apps
- C. Databases
- D. simple web applications
- E. no limited online storage
Answer: A,B,C,D
NEW QUESTION # 36
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. Public-read
- B. Private
- C. Public-read-write
- D. Private-read
Answer: A,B,C
Explanation:
Reference:
https://www.alibabacloud.com/help/doc-detail/100676.htm
NEW QUESTION # 37
is a ready-to-use service that seamlessly integrates with Elastic Compute Service (ECS) to manage varying traffic levels without manual intervention.
- A. Server Load Balancer
- B. OSS
- C. RDS
- D. VPC
Answer: A
NEW QUESTION # 38
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. Event Management Service
- B. Alibaba Cloud Product Operation Training
- C. Alibaba Cloud Architecture Design Training
- D. Aftersales Support
Answer: C
NEW QUESTION # 39
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. Created
- B. Running
- C. Preparing
- D. Stopped
Answer: B
Explanation:
Explanation/Reference: http://static-aliyun-doc.oss-cn-hangzhou.aliyuncs.com/download/pdf/DNESS1876951_en- US_intl_181115175025_public_176152014821b385708e5290da11a0fe.pdf (14)
NEW QUESTION # 40
Multiple lower-configuration I/O-optimized ECS instances can be used withto deliver a high- availability architecture.
- A. Auto Scaling
- B. Server Load Balancer
- C. OSS
- D. RDS
Answer: B
NEW QUESTION # 41
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. Data has to be backed up by customer manually, which is time-consuming and labor-intensive.
- B. The following features are available: Multiple Authentication and Authorization mechanism, Whitelist, Anti- leech URL, and Master-Sub Account
- C. 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.
- D. Data Reliability is not less than 99.99999999%. Data is backed up automatically with multiple redundant copies.
Answer: D
Explanation:
Reference:
https://www.alibabacloud.com/blog/alibaba-cloud-object-storage-vs--ibm-cloud-and-oracle-cloud- equivalent_293464
NEW QUESTION # 42
Alibaba Cloud provides anti-DDoS products of different levels. If the service availability needs to be kept at
99.9% or higher under DDoS attacks, which of the following is the MOST suitable product?
- A. Anti-DDoS Service Basic
- B. Managed Security Service
- C. Anti-DDoS Service Pro
- D. Situation Awareness
Answer: A
NEW QUESTION # 43
Alibaba Cloud Monitor service stems from years of experience of server monitoring technology in Alibaba group, leveraging the powerful data analysis capability of Alibaba cloud computing platform to provide monitoring service for various clients' applications and servers. A user receives an alert saying that the IOPS utilization rate for an ECS instance exceeds 80%. Yet, he/she is not sure how to handle the situation, the user may obtain help from Alibaba Cloud through the below methods? (Choose three.)
- A. You cannot obtain any help from Alibaba Cloud.
- B. Open a ticket to Alibaba Cloud help desk.
- C. Look for answers in Alibaba Cloud forum.
- D. Check ECS or CloudMonitor product documents.
Answer: B,C,D
NEW QUESTION # 44
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The Alibaba Cloud ACA-Cloud1 (ACA Cloud Computing Associate) Certification Exam is ideal for IT professionals who are interested in developing their cloud computing skills and seeking to enhance their career opportunities. It is also suitable for anyone who wants to gain a deeper understanding of cloud computing principles and practices.
The ACA-Cloud1 exam covers basic concepts of cloud computing such as cloud architecture, cloud services, and cloud security. It also covers Alibaba Cloud's specific services and solutions such as Elastic Compute Service (ECS), Object Storage Service (OSS), and Relational Database Service (RDS). The exam is conducted online and consists of 50 multiple-choice questions to be completed within 90 minutes.
ACA-Cloud1 Certification Study Guide Pass ACA-Cloud1 Fast: https://itexams.lead2passed.com/Alibaba-Cloud/ACA-Cloud1-practice-exam-dumps.html
