Instant Download ACA-Cloud1 Dumps Q&As Provide PDF&Test Engine [Q38-Q55]

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Instant Download ACA-Cloud1 Dumps Q&As Provide PDF&Test Engine

Fast Exam Updates ACA-Cloud1 dumps with PDF Test Engine Practice

Alibaba Cloud provides extensive training resources and study materials to help individuals prepare for the ACA-Cloud1 exam. These resources include online courses, study guides, practice exams, and hands-on labs. The company also offers a certification program that recognizes individuals who pass the ACA-Cloud1 exam and provides them with valuable career benefits, such as access to exclusive job opportunities, networking events, and professional development resources.

The ACA-Cloud1 certification exam covers a wide range of topics, including cloud computing concepts, cloud service models, and cloud deployment models. It also covers the basics of cloud security, cloud storage, and cloud network technologies. ACA-Cloud1 exam is designed to test the candidate’s knowledge of cloud computing fundamentals and their ability to apply that knowledge in real-world scenarios.

NO.38 Company A builds a sales management platform based on Alibaba Cloud services, using 3 ECS instances. One of the ECS instance has MySQL installed as the database server of the platform, the other two are used as WEB servers. After some time, due to the rapid increase of employees and sales analysis requests, the performance of the platform is challenged in terms of response time. Through CloudMonitor, it is found that the average CPU usage reaches 70% for the two WEB server ECS instances and the database load reaches
75% for the database server ECS instance. In this situation, company A may choose which Alibaba Cloud services to improve the performance. (Choose two.)

Use content delivery network, CDN, to accelerate the caching of the platform’s css, JavaScript files etc.

By adding a SLB instance and increase the number of ECS instances to reduce the work load on current ECS instances.

Use RDS to replace existing self-built database, in order to obtain better database performance; also creating RDS read-only instances to handle read-only requests, hence reduce the work load on master RDS instance.

Import data into OSS to share the storage load of the platform.

NO.39 Alibaba Cloud CDN can directly accelerate the access to the files stored in OSS and reduce OSS traffic costs.

TRUE

FALSE

NO.40 Company builds a music download website based on OSS and ECS, and users can download mp3 files after registering for the website. Recently, the public network traffic to the OSS has doubled but the increase of registered users is less than 10%. After in-depth analysis, engineers find that many user download requests are raised from search engine but not the website itself. In this case, which of the following measures is thought to be able to address this issue.

Migrates music files from the OSS to the data disks for ECS instances.

Changes the website access mode to HTTPS.

Limits access sources by configuring “Anti-leech settings” of OSS bucket attributes.

Introduce SLB for extra protection.

NO.41 When we talk about the ‘Elastic’ feature for ECS product, we are not talking about .

Elastic Computing

Elastic Storage

Elastic Network

Elastic Administration

NO.42 You can an ECS instance’s configuration. (Choose two.)

upgraded

downgraded

downloaded

uploaded

NO.43 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?

Anti-DDoS Service Basic

Managed Security Service

Situation Awareness

Anti-DDoS Service Pro

NO.44 As a cloud computing service provider, Alibaba Cloud provides security services including. (Choose two.)

Security operation for underlying hardware of cloud computing.

Application maintenance in ECS instances.

Security isolation between cloud computing tenants.

IP white list setting for RDS.

NO.45 Server Load Balancer can manage sudden spikes in traffic, minimize response time and maintain 99.99% availability of your web application.

TRUE

FALSE

NO.46 Server Load Balancer supports protocols like. (Choose four.)

HTTP

HTTPS

TCP

UDP

MPLS

MQTT

NO.47 Which of the following statements is wrong when comparing RDS with self-built database?

RDS features a high availability of 99.95% while self-built database requires you to implement data protection, primary-standby replication, and RAID all by yourself.

RDS provides automatic backup while self-built database requires you to prepare storage space for backup copies and regularly verify that these copies can be restored.

Self-built database supports quick deployment and elastic scaling.

RDS requires no O&M while self-built database requires a dedicated DBA for maintenance, which results in high HR cost.

NO.48 A customer uses Alibaba Cloud Auto Scaling service and creates a scaling group. He/she sets the “Minimum number of instances” to 6 and “Maximum number of instances” to 8.
After correctly configuring scaling settings, the customer adds a scaling rule “Adjust to 10 ECS instances”, and creates a scheduled task based on this rule.
And then, the customer checks the scaling group and see it already contains 6 valid ECS instances, he/she then enables this scaling group immediately.
How many ECS instances are left in the scaling group when the scheduled task is activated once?

Eight

Ten

Six

Five

NO.49 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.)

Official corporate websites

large-traffic apps

Databases

simple web applications

no limited online storage

Explanation
A, B, C, and D are the correct answers according to the ACA Cloud Computing by Alibaba Cloud Academy Reference Materials and documents. Comprehensive and Detailed Explanation: = A, B, C, and D are the correct answers because ECS is a highly flexible service that 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:
Official corporate websites: ECS can host official corporate websites that require high performance, stability, reliability, and scalability. ECS can also support various web frameworks and languages, such as PHP, Java, Node.js, Python, and Ruby. ECS can also be integrated with other Alibaba Cloud products, such as SLB, CDN, and WAF, to improve the security, availability, and performance of the websites1 Large-traffic apps: ECS can handle large-traffic apps that require high concurrency, low latency, and high throughput. ECS can also scale up or down based on the real-time traffic demands, and use Auto Scaling to automate the scaling process. ECS can also leverage the Alibaba Cloud network infrastructure, such as VPC, Express Connect, and Global Accelerator, to optimize the network connectivity and performance of the apps2 Databases: ECS can run various database systems, such as MySQL, PostgreSQL, MongoDB, and Redis, to provide data storage and processing capabilities for different applications. ECS can also use cloud disks or local disks as the storage media for the databases, and choose different disk types, such as SSD, ESSD, and Ultra Disk, based on the performance and cost requirements. ECS can also use RDS or PolarDB to replace the self-managed databases, and enjoy the benefits of managed database services, such as backup, recovery, monitoring, and maintenance3 Simple web applications: ECS can run simple web applications that do not require complex architectures or high availability. ECS can provide fast memory and the latest CPUs to power the web applications and achieve faster results with low latency. ECS can also use OSS to store static files, such as images, videos, and documents, and reduce the storage cost and load of the ECS instances.
E is an incorrect answer because ECS is not a storage service that provides unlimited online storage. ECS is a compute service that provides virtual machines with limited storage capacity. ECS can use OSS or NAS to expand the storage capacity, but these are separate storage services that have their own pricing and billing methods.
References: 1: Build a Corporate Website 2: Build a Large-Traffic App 3: Build a Database System : [Build a Simple Web Application] : [ECS Overview]

NO.50 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 .

Running

Created

Stopped

Preparing

NO.51 Server Load Balancer can manage sudden spikes in traffic, minimize response time and maintain 99.99% availability of your web application.

TRUE

FALSE

NO.52 Which of the following statements is true for RDS?

Multiple databases can be created in one RDS instance.

Databases with the same name are allowed in the same instance.

Resources are not shared among the databases in the same RDS instance.

None of the above is true.

NO.53 Alibaba Cloud relational database service (RDS) is a stable, reliable and elastic online database service. RDS supports below database types _______________? (Choose three.)

MySQL

SQL Server

PostgreSQL

Oracle database

NO.54 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 _________.

Running

Created

Stopped

Preparing

NO.55 A large shopping mall deploys a new video surveillance system. The five-floor building in which the mall is located installed 35 HD cameras to monitor the major exits. The surveillance system is deployed on an ECS instance, which has four 2 TB data disks to store video data.
However, video data grows rapidly and the engineers find that the ECS will run out of storage space within 2 weeks.
In this case,product is thought to be the best solution for addressing the storage challenge while ensuring quick access to historical video data when needed.

Container Service

ECS

OSS

CDN

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