Exam 10: AWS Certified Solutions Architect - Professional (SAP-C01)

A user has launched two EBS backed EC2 instances in the US-East-1a region. The user wants to change the zone of one of the instances. How can the user change it?

Will you be able to access EC2 snapshots using the regular Amazon S3 APIs?

A company has an application behind a load balancer with enough Amazon EC2 instances to satisfy peak demand. Scripts and third-party deployment solutions are used to configure EC2 instances when demand increases or an instance fails. The team must periodically evaluate the utilization of the instance types to ensure that the correct sizes are deployed. How can this workload be optimized to meet these requirements?

A user has launched an EBS optimized instance with EC2. Which of the below mentioned options is the correct statement?

A multimedia company needs to deliver its video-on-demand (VOD) content to its subscribers in a cost-effective way. The video files range in size from 1-15 GB and are typically viewed frequently for the first 6 months after creation, and then access decreases considerably. The company requires all video files to remain immediately available for subscribers. There are now roughly 30,000 files, and the company anticipates doubling that number over time. What is the MOST cost-effective solution for delivering the company's VOD content?

You are the new IT architect in a company that operates a mobile sleep tracking application. When activated at night, the mobile app is sending collected data points of 1 kilobyte every 5 minutes to your backend. The backend takes care of authenticating the user and writing the data points into an Amazon DynamoDB table. Every morning, you scan the table to extract and aggregate last night's data on a per user basis, and store the results in Amazon S3. Users are notified via Amazon SNS mobile push notifications that new data is available, which is parsed and visualized by the mobile app. Currently you have around 100k users who are mostly based out of North America. You have been tasked to optimize the architecture of the backend system to lower cost. What would you recommend? (Choose 2)

A media company has a static web application that is generated programmatically. The company has a build pipeline that generates HTML content that is uploaded to an Amazon S3 bucket served by Amazon CloudFront. The build pipeline runs inside a Build Account. The S3 bucket and CloudFront distribution are in a Distribution Account. The build pipeline uploads the files to Amazon S3 using an IAM role in the Build Account. The S3 bucket has a bucket policy that only allows CloudFront to read objects using an origin access identity (OAI). During testing all attempts to access the application using the CloudFront URL result in an HTTP 403 Access Denied response. What should a solutions architect suggest to the company to allow access the objects in Amazon S3 through CloudFront?

A company wants to improve cost awareness for its Amazon EMR platform. The company has allocated budgets for each team's Amazon EMR usage. When a budgetary threshold is reached, a notification should be sent by email to the budget office's distribution list. Teams should be able to view their EMR cluster expenses to date. A solutions architect needs to create a solution that ensures the policy is proactively and centrally enforced in a multi-account environment. Which combination of steps should the solutions architect take to meet these requirements? (Choose two.)

One of the components that is part of ec2-net-utils used with ENI's is ec2ifscan. Which of the following is not correct about ec2-net-utils?

A user has suspended the scaling process on the Auto Scaling group. A scaling activity to increase the instance count was already in progress. What effect will the suspension have on that activity?

A company developed a Java application and deployed it to an Apache Tomcat server that runs on Amazon EC2 instances. The company's Engineering team has implemented AWS CloudFormation and Chef Automate to automate the provisioning of and updates to the infrastructure and configuration of the application in the development, test, and production environments. These implementations have led to significantly improves reliability in releasing changes. The Engineering team reports there are frequent service disruptions due to unexpected errors when updating the application of the Apache Tomcat server. Which solution will increase the reliability of all releases?

A company is using an existing orchestration tool to manage thousands of Amazon EC2 instances. A recent penetration test found a vulnerability in the company's software stack. This vulnerability has prompted the company to perform a full evaluation of its current production environment. The analysis determined that the following vulnerabilities exist within the environment: Operating systems with outdated libraries and known vulnerabilities are being used in production. Relational databases hosted and managed by the company are running unsupported versions with known vulnerabilities. Data stored in databases is not encrypted. The solutions architect intends to use AWS Contig to continuously audit and assess the compliance of the company's AWS resource configurations with the company's policies and guidelines. What additional steps will enable the company to secure its environments and track resources while adhering to best practices?

A media storage application uploads user photos to Amazon S3 for processing. End users are reporting that some uploaded photos are not being processed properly. The Application Developers trace the logs and find that AWS Lambda is experiencing execution issues when thousands of users are on the system simultaneously. Issues are caused by: Limits around concurrent executions. The performance of Amazon DynamoDB when saving data. Which actions can be taken to increase the performance and reliability of the application? (Choose two.)

A large multinational company runs a timesheet application on AWS that is used by staff across the world. The application runs on Amazon EC2 instances in an Auto Scaling group behind an Elastic Load Balancing (ELB) load balancer, and stores data in an Amazon RDS MySQL Multi-AZ database instance. The CFO is concerned about the impact on the business if the application is not available. The application must not be down for more than two hours, but he solution must be as cost-effective as possible. How should the Solutions Architect meet the CFO's requirements while minimizing data loss?

A group of Amazon EC2 instances have been configured as a high performance computing (HPC) cluster. The instances are running in a placement group, and are able to communicate with each other at network speeds of up to 20 Gbps. The cluster needs to communicate with a control EC2 instance outside of the placement group. The control instance has the same instance type and AMI as the other instances, and is configured with a public IP address. How can the Solutions Architect improve the network speeds between the control instance and the instances in the placement group?

In CloudFormation, if you want to map an Amazon Elastic Block Store to an Amazon EC2 instance, _________.

The Solutions Architect manages a serverless application that consists of multiple API gateways, AWS Lambda functions, Amazon S3 buckets, and Amazon DynamoDB tables. Customers say that a few application components slow while loading dynamic images, and some are timing out with the "504 Gateway Timeout" error. While troubleshooting the scenario, the Solutions Architect confirms that DynamoDB monitoring metrics are at acceptable levels. Which of the following steps would be optimal for debugging these application issues? (Choose two.)

A user is creating a Provisioned IOPS volume. What is the maximum ratio the user should configure between Provisioned IOPS and the volume size?

You are tasked with moving a legacy application from a virtual machine running inside your datacenter to an Amazon VPC. Unfortunately, this app requires access to a number of on-premises services and no one who configured the app still works for your company. Even worse there's no documentation for it. What will allow the application running inside the VPC to reach back and access its internal dependencies without being reconfigured? (Choose three.)

A company runs a video processing platform. Files are uploaded by users who connect to a web server, which stores them on an Amazon EFS share. This web server is running on a single Amazon EC2 instance. A different group of instances, running in an Auto Scaling group, scans the EFS share directory structure for new files to process and generates new videos (thumbnails, different resolution, compression, etc.) according to the instructions file, which is uploaded along with the video files. A different application running on a group of instances managed by an Auto Scaling group processes the video files and then deletes them from the EFS share. The results are stored in an S3 bucket. Links to the processed video files are emailed to the customer. The company has recently discovered that as they add more instances to the Auto Scaling Group, many files are processed twice, so image processing speed is not improved. The maximum size of these video files is 2GB. What should the Solutions Architect do to improve reliability and reduce the redundant processing of video files?