ACP-Cloud1 Questions and Answers: ACP Cloud Computing Professional & ACP-Cloud1 Practice Test
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The ACP-Cloud1 exam is a computer-based test that consists of 61 questions and has a duration of 90 minutes. ACP-Cloud1 exam questions are designed to test the examinee's understanding of Alibaba Cloud's products and services, as well as their ability to apply that knowledge to real-world scenarios. ACP-Cloud1 Exam is available in both English and Simplified Chinese, making it accessible to professionals worldwide.
Alibaba Cloud ACP Cloud Computing Professional Sample Questions (Q164-Q169):
NEW QUESTION # 164
To meet business requirements, a user requires that the backend server of an SLB instance include a primary ECS instance and a secondary ECS instance. When the primary instance is working properly, the traffic is only forwarded to the primary ECS, when the primary instance is down, traffic is switched to the standby instance. In this case, you can create an active/standby server group on the backend of the SLB instance Which kind of listener supports this feature? (Number of correct answers: 2)
Answer: A,B
NEW QUESTION # 165
Company F launched a new App and put the installation package (size: 6 MB) on its official website (hosted on Elastic Compute Service (ECS)). Initially, the download speed was acceptable. However, due to an advertising event on CCTV last week, the number of installation package downloads drastically increased, resulting in poor user experience and a significant increase in ECS bandwidth cost.
Company F can select Alibaba Cloud ______________ service to solve download speed and bandwidth cost problems at the same time.
Answer: C
Explanation:
To handle high download traffic efficiently, Company F can use Object Storage Service (OSS) to store the installation package and Content Delivery Network (CDN) to distribute it. OSS provides scalable, low-cost storage, while CDN caches content at edge nodes, reducing the load on the ECS instance and improving download speeds for users. This combination helps control bandwidth costs on ECS and provides faster download speeds by serving content closer to end-users.
NEW QUESTION # 166
Which of the following features are provided by RDS by default? (Choose three.)
Answer: A,C,D
Explanation:
Alibaba Cloud RDS offers automatic backups (with point-in-time recovery capabilities, usually up to a certain retention period), backup for both primary and secondary databases, and a dedicated team for backend operations and maintenance (O&M). Real-time patching for security vulnerabilities is generally not automatic but is managed as part of periodic updates or urgent patching requirements, making option D incorrect.
NEW QUESTION # 167
Alibaba Cloud SLB can distribute user requests to backend ECS instances. These ECS instances must have the same specification (CPU, Memory)
Answer: A
Explanation:
Alibaba Cloud SLB can distribute user requests to backend ECS instances, but these ECS instances do not have to have the same specification (CPU, Memory). SLB virtualizes the added group of ECS instances in the same region into an application pool, and you can manage backend servers through either the default server group, a primary server group, or VServer groups. You can add ECS instances of different specifications to the same server group or VServer group according to your needs. SLB supports weighted round-robin (WRR) and weighted least connections (WLC) algorithms to balance the load among backend servers with different weights. References:
* SLB overview - Alibaba Cloud
* Backend server overview - Alibaba Cloud
* What is Server Load Balancer and How It Works - Alibaba Cloud
* Server Load Balancer - Alibaba Cloud
* Alibaba Server Load Balancer (SLB) Course - Cloud Academy
NEW QUESTION # 168
The daily PV volume of a community website is as high as 20 million. The applications of the website are deployed on ECS instances while logs are stored on the data disks of a single ECS instance.
Now, the website wants to extend the log retention period to 24 months and ensure that logs can be quickly downloaded when needed. The current data disks they have can only help retain three months of logs In this case, ________ is the ideal solution for solving the log retention issue.
Answer: B
Explanation:
Explanation
OSS (Object Storage Service) is a secure, cost-effective, and highly reliable cloud storage service that allows you to store, back up, and archive any amount of data in the cloud1. OSS is ideal for storing logs, as it provides 99.9999999999% (12 nines) durability and 99.995% availability or service continuity1. OSS also supports lifecycle management, which allows you to automatically delete or transition objects to lower-cost storage classes based on your predefined rules2. OSS offers four tiers of storage: Standard, Infrequent Access, Archive, and Cold Archive. Each tier is cost-optimized for specific storage patterns1. The Archive and Cold Archive tiers are suitable for storing infrequently accessed data, such as logs, for a long time. The Archive tier offers data retrieval time within one minute, while the Cold Archive tier offers expedited data retrieval time within an hour1. Therefore, OSS can help the website extend the log retention period to 24 months and ensure that logs can be quickly downloaded when needed.
CDN (Content Delivery Network) is a distributed network that delivers content to users based on their geographic locations, the origin sites, and the content delivery nodes3. CDN is mainly used for content distribution, such as static web pages, images, videos, and downloads3. CDN is not suitable for storing logs, as it does not provide data durability or lifecycle management.
Container Service is a high-performance and scalable container application management service that enables you to use Docker and Kubernetes to manage the lifecycle of containerized applications4. Container Service is mainly used for deploying and orchestrating microservices, serverless applications, and big data applications4.
Container Service is not suitable for storing logs, as it does not provide data durability or lifecycle management.
ApsaraDB for RDS (Relational Database Service) is a stable and reliable online database service that supports MySQL, SQL Server, PostgreSQL, MariaDB, and PPAS5. ApsaraDB for RDS is mainly used for storing and processing structured data, such as user information, transaction records, and product catalogs5. ApsaraDB for RDS is not suitable for storing logs, as it is more expensive and less scalable than OSS. References: Object Storage Service (OSS) - Alibaba Cloud, Lifecycle management - Object Storage Service - Alibaba Cloud Documentation Center, Content Delivery Network (CDN) - Alibaba Cloud, Container Service - Alibaba Cloud, ApsaraDB for RDS - Alibaba Cloud
NEW QUESTION # 169
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