AWS SAA C03 英文413题

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.A financial company wants to store their data in Amazon S3 but at the same time, they want to store their frequently accessed data locally on their on-premises server. This is due to the fact that they do not have the option to extend their on-premises storage, which is why they are looking for adurable and scalable storage service to use in AWS.

. A multinational manufacturing company has multiple accounts in AWS to separate theirvarious departments such as finance, human resources, engineering and many others. There is arequirement to ensure that certain access to services and actions are properly controlled to complywith the security policy of the company.As the Solutions Architect, which is the most suitable way to set up the multi-account AWSenvironment of the company?

A company launched a global news website that is deployed to AWS and is using MySQL RDS.The website has millions of viewers from all over the world which means that the website has read-heavy database workloads. All database transactions must be ACID compliant to ensure data integrity. In this scenario, which of

The following is the best option to use to increase the read throughput on the MySQL database?

.A startup plans to develop a multiplayer game that uses UDP as the protocol for communication between clients and game servers. The data of the users will be stored in a key-value store. As the Solutions Architect, you need to implement a solution that will distribute the traffic across a number of servers.

. A tech company currently has an on-premises infrastructure. They are currently running low on storage and want to have the ability to extend their storage using the AWS cloud.Which AWS service can help them achieve this requirement?

.A large multinational investment bank has a web application that requires a minimum of 4 EC2 instances to run to ensure that it can cater to its users across the globe. You are instructed to ensure fault tolerance of this system.Which of the following is the best option?

A company wishes to query data that resides in multiple AWS accounts from a central data lake. Each account has its own Amazon S3 bucket that stores data unique to its business function.Users from different accounts must be granted access to the data lake based on their roles.Which solution will minimize overhead and costs while meeting the required access patterns?

. Both historical records and frequently accessed data are stored on an on-premises storage system. The amount of current data is growing at an exponential rate. As the storage's capacity is nearing its limit, the company's Solutions Architect has decided to move the historical records to AWS to free up space for the active data. Which of the following architectures deliver the best solution in terms of cost and operational management?

.A multinational company has been building its new data analytics platform with high-performance
Computing workloads (HPC) which requires a scalable, POSIX-compliant storage service.The data need to be stored redundantly across multiple AZs and allows concurrent connections fromthousands of EC2 instances hosted on multiple Availability Zones.Which of the following AWS storage service is the most suitable one to use in this scenario?

.A company needs to implement a solution that will process real-time streaming data of its users across the globe. This will enable them to track and analyze globally-distributed user activity on their website and mobile applications, including clickstream analysis. The solution should process the data in close geographical proximity to their users and respond to user requests at low latencies.Which of the following is the most suitable solution for this scenario?

. A company developed a web application and deployed it on a fleet of EC2 instances that uses Amazon SQS. The requests are saved as messages in the SQS queue, which is configured with the maximum message retention period. However, after thirteen days of operation, the web application suddenly crashed and there are 10,000 unprocessed messages that are still waiting in the queue. Since they developed the application, they can easily resolve the issue but they need to send a communication to the users on the issue.What information should they provide and what will happen to the unprocessed messages?

. A company has an On-Demand EC2 instance with an attached EBS volume. There is a scheduled job that creates a snapshot of this EBS volume every midnight at 12 AM when the instance is not used. One night, there has been a production incident where you need to perform a change on both the instance and on the EBS volume at the same time when the snapshot is currently taking place.Which of the following scenario is true when it comes to the usage of an EBS volume while the snapshot is in progress?

.There is a new compliance rule in your company that audits every Windows and Linux EC2 instances each month to view any performance issues. They have more than a hundred EC2 instances running in production, and each must have a logging function that collects various system details regarding that instance. The SysOps team will periodically review these logs and analyze their contents using AWS Analytics tools, and the result will need to be retained in an S3 bucket. In this scenario, what is the most efficient way to collect and analyze logs from the instances with minimal effort?

.An online cryptocurrency exchange platform is hosted in AWS which uses ECS Cluster and RDS in Multi- AZ Deployments configuration. The application is heavily using the RDS instance to process complex read and write database operations. To maintain the reliability, availability, andperformance of your systems, you have to closely monitor how the different processes or threads on a DB instance use the CPU, including the percentage of the CPU bandwidth and total memory consumed by each process.Which of the following is the most suitable solution to properly monitor your database?

.A company is hosting an application on EC2 instances that regularly pushes and fetches data in Amazon S3. Due to a change in compliance, the instances need to be moved on a private subnet. Along with this change, the company wants to lower the data transfer costs by configuring its AWS resources. How can this be accomplished in the MOST cost-efficient manner?

.A company is using AWS IAM to manage access to AWS services. The Solutions Architect of the company created the following IAM policy for AWS Lambda: { "Version": "2012-10-17","Statement": [{"Effect":

"Allow","Action": ["lambda:CreateFunction","lambda:DeleteFunction"],"Resource": "*"},{"Effect": "Deny","Action":

["lambda:CreateFunction","lambda:DeleteFunction","lambda:InvokeFunction","lambda:TagResource"],"Resource": "*","Condition": {"IpAddress": {"aws:SourceIp": "187.5.104.11/32"}}}]}Which of the following options are

Allowed by this policy?

. A tech company has a CRM application hosted on an Auto Scaling group of On-Demand EC2 instances. The application is extensively used during office hours from 9 in the morning till 5 in the afternoon. Their users are complaining that the performance of the application is slow during the start of the day but then works normally after a couple of hours.Which of the following can be done to ensure that the application works properly at the beginning of the day?

.A company decided to change its third-party data analytics tool to a cheaper solution. They sent a full data export on a CSV file which contains all of their analytics information. You then save the CSV file to an S3 bucket for storage. Your manager asked you to do some validation on theprovided data export. In this scenario, what is the most cost-effective and easiest way to analyze export data using standard SQL?

.A company generates large financial datasets with millions of rows. The Solutions Architect needs to store all the data in a columnar fashion to reduce the number of disk I/O requests and reduce the amount of data needed to load from the disk. The bank has an existing third-party business intelligence application that will connect to the storage service and then generate daily and monthly financial reports for its clients around the globe. In this scenario, which is the best storage service to use to meet the requirement?

. A company is running a multi-tier web application farm in a virtual private cloud (VPC) that is not connected to their corporate network. They are connecting to the VPC over the Internet to manage the fleet of Amazon EC2 instances running in both the public and private subnets. TheSolutions Architect has added a bastion host with Microsoft Remote Desktop Protocol (RDP) access to the application instance security groups, but the company wants to further limit administrative access to all of the instances in the VPC.Which of the following bastion host deployment options will meet this requirement?

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