SAA-C03 practice questions 551–560

1. Question 551 · 1017 in bank

   A company deployed a serverless application that uses Amazon DynamoDB as a database layer. The application has experienced a large increase in users. The company wants to improve database response time from milliseconds to microseconds and to cache requests to the database. Which solution will meet these requirements with the LEAST operational overhead?

   • AUse DynamoDB Accelerator (DAX).
   • BMigrate the database to Amazon Redshift.
   • CMigrate the database to Amazon RDS.
   • DUse Amazon ElastiCache for Redis.

   Show answer

   Answer: A

   Explanation

   Amazon DynamoDB Accelerator (DAX) is a fully managed, highly available, in-memory cache for Amazon DynamoDB that delivers up to a 10 times performance improvement—from milliseconds to microseconds—even at millions of requests per second. https://aws.amazon.com/dynamodb/dax/#:~:text=Amazon%20DynamoDB%20Accelerator%20(DAX)%20is,millions%20of%20requests%20per%20second.

   Source: Adapted from community discussion — h8er

   References

   • AWS documentation

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2. Question 552 · 1017 in bank

   A company runs an application that uses Amazon RDS for PostgreSQL. The application receives traffic only on weekdays during business hours. The company wants to optimize costs and reduce operational overhead based on this usage. Which solution will meet these requirements?

   • AUse the Instance Scheduler on AWS to configure start and stop schedules.
   • BTurn off automatic backups. Create weekly manual snapshots of the database.
   • CCreate a custom AWS Lambda function to start and stop the database based on minimum CPU utilization.
   • DPurchase All Upfront reserved DB instances.

   Show answer

   Answer: A

   Explanation

   The Instance Scheduler on AWS solution automates the starting and stopping of Amazon Elastic Compute Cloud (Amazon EC2) and Amazon Relational Database Service (Amazon RDS) instances. This solution helps reduce operational costs by stopping resources that are not in use and starting them when they are needed. The cost savings can be significant if you leave all of your instances running at full utilization continuously. https://aws.amazon.com/solutions/implementations/instance-scheduler-on-aws/

   Source: Adapted from community discussion — potomac

   References

   • AWS documentation
   • AWS documentation

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3. Question 553 · 1017 in bank

   A company wants to run its critical applications in containers to meet requirements for scalability and availability. The company prefers to focus on maintenance of the critical applications. The company does not want to be responsible for provisioning and managing the underlying infrastructure that runs the containerized workload. What should a solutions architect do to meet these requirements?

   • AUse Amazon EC2 instances, and install Docker on the instances.
   • BUse Amazon Elastic Container Service (Amazon ECS) on Amazon EC2 worker nodes.
   • CUse Amazon Elastic Container Service (Amazon ECS) on AWS Fargate.
   • DUse Amazon EC2 instances from an Amazon Elastic Container Service (Amazon ECS)-optimized Amazon Machine Image (AMI).

   Show answer

   Answer: C

   Explanation

   Good answer is C: AWS Fargate is a serverless, pay-as-you-go compute engine that lets you focus on building applications without having to manage servers. AWS Fargate is compatible with Amazon Elastic Container Service (ECS) and Amazon Elastic Kubernetes Service (EKS). https://aws.amazon.com/fr/fargate/

   Source: Adapted from community discussion — masetromain

   References

   • AWS documentation
   • AWS documentation

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4. Question 554 · 1017 in bank

   A company uses locally attached storage to run a latency-sensitive application on premises. The company is using a lift and shift method to move the application to the AWS Cloud. The company does not want to change the application architecture. Which solution will meet these requirements MOST cost-effectively?

   • AConfigure an Auto Scaling group with an Amazon EC2 instance. Use an Amazon FSx for Lustre file system to run the application.
   • BHost the application on an Amazon EC2 instance. Use an Amazon Elastic Block Store (Amazon EBS) GP2 volume to run the application.
   • CConfigure an Auto Scaling group with an Amazon EC2 instance. Use an Amazon FSx for OpenZFS file system to run the application.
   • DHost the application on an Amazon EC2 instance. Use an Amazon Elastic Block Store (Amazon EBS) GP3 volume to run the application.

   Show answer

   Answer: D

   Explanation

   GP3 is preferable over GP2, FSx for Lustre, and FSx for OpenZFS is clear and convincing: GP3 offers identical latency performance to GP2 at a lower price point. FSx options are higher performance but more expensive and require application changes. GP3 aligns better with lift and shift needs as a directly attached block storage volume.

   Source: Adapted from community discussion — Guru4Cloud

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5. Question 555 · 1017 in bank

   A company runs a stateful production application on Amazon EC2 instances. The application requires at least two EC2 instances to always be running. A solutions architect needs to design a highly available and fault-tolerant architecture for the application. The solutions architect creates an Auto Scaling group of EC2 instances. Which set of additional steps should the solutions architect take to meet these requirements?

   • ASet the Auto Scaling group's minimum capacity to two. Deploy one On-Demand Instance in one Availability Zone and one On-Demand Instance in a second Availability Zone.
   • BSet the Auto Scaling group's minimum capacity to four. Deploy two On-Demand Instances in one Availability Zone and two On-Demand Instances in a second Availability Zone.
   • CSet the Auto Scaling group's minimum capacity to two. Deploy four Spot Instances in one Availability Zone.
   • DSet the Auto Scaling group's minimum capacity to four. Deploy two On-Demand Instances in one Availability Zone and two Spot Instances in a second Availability Zone.

   Show answer

   Answer: B

   Explanation

   By setting the Auto Scaling group's minimum capacity to four, the architect ensures that there are always at least two running instances. Deploying two On-Demand Instances in each of two Availability Zones ensures that the application is highly available and fault-tolerant. If one Availability Zone becomes unavailable, the application can still run in the other Availability Zone.

   Source: Adapted from community discussion — luiscc

   References

   • AWS documentation
   • AWS documentation

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6. Question 556 · 1017 in bank

   An ecommerce company uses Amazon Route 53 as its DNS provider. The company hosts its website on premises and in the AWS Cloud. The company's on-premises data center is near the us-west-1 Region. The company uses the eu-central-1 Region to host the website. The company wants to minimize load time for the website as much as possible. Which solution will meet these requirements?

   • ASet up a geolocation routing policy. Send the traffic that is near us-west-1 to the on-premises data center. Send the traffic that is near eu-central-1 to eu-central-1.
   • BSet up a simple routing policy that routes all traffic that is near eu-central-1 to eu-central-1 and routes all traffic that is near the on-premises datacenter to the on-premises data center.
   • CSet up a latency routing policy. Associate the policy with us-west-1.
   • DSet up a weighted routing policy. Split the traffic evenly between eu-central-1 and the on-premises data center.

   Show answer

   Answer: A

   Explanation

   The key reasons are: Geolocation routing allows you to route users to the closest endpoint based on their geographic location. This will provide the lowest latency. Routing us-west-1 traffic to the on-premises data center minimizes latency for those users since it is also located near there. Routing eu-central-1 traffic to the eu-central-1 AWS region minimizes latency for users nearby. This achieves routing users to the closest endpoint on a geographic basis to optimize for low latency.

   Source: Adapted from community discussion — Guru4Cloud

   References

   • AWS documentation

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7. Question 557 · 1017 in bank

   A company has 5 PB of archived data on physical tapes. The company needs to preserve the data on the tapes for another 10 years for compliance purposes. The company wants to migrate to AWS in the next 6 months. The data center that stores the tapes has a 1 Gbps uplink internet connectivity. Which solution will meet these requirements MOST cost-effectively?

   • ARead the data from the tapes on premises. Stage the data in a local NFS storage. Use AWS DataSync to migrate the data to Amazon S3 Glacier Flexible Retrieval.
   • BUse an on-premises backup application to read the data from the tapes and to write directly to Amazon S3 Glacier Deep Archive.
   • COrder multiple AWS Snowball devices that have Tape Gateway. Copy the physical tapes to virtual tapes in Snowball. Ship the Snowball devices to AWS. Create a lifecycle policy to move the tapes to Amazon S3 Glacier Deep Archive.
   • DConfigure an on-premises Tape Gateway. Create virtual tapes in the AWS Cloud. Use backup software to copy the physical tape to the virtual tape.

   Show answer

   Answer: C

   Explanation

   If you have made it to the end of the exam dump, you will definitely pass your exams in Jesus name. After over a year of Procrastination, I am finally ready to write my AWS Solutions Architect Exam. Thank you Exam Topics

   Source: Adapted from community discussion — adeyinkaamole

   References

   • AWS documentation
   • AWS documentation
   • AWS documentation
   • AWS documentation

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8. Question 558 · 1017 in bank

   A company is deploying an application that processes large quantities of data in parallel. The company plans to use Amazon EC2 instances for the workload. The network architecture must be configurable to prevent groups of nodes from sharing the same underlying hardware. Which networking solution meets these requirements?

   • ARun the EC2 instances in a spread placement group.
   • BGroup the EC2 instances in separate accounts.
   • CConfigure the EC2 instances with dedicated tenancy.
   • DConfigure the EC2 instances with shared tenancy.

   Show answer

   Answer: A

   Explanation

   A, spread placement group does exactly what is required here. Not C and D, tenancy determines whether the hardware is shared with other customers or not, it has nothing to with your own instances sharing hardware. (On the contrary, dedicated tenancy would spread your EC2 instances across as little nodes as possible.) Not B, accounts have nothing to do with the issue.

   Source: Adapted from community discussion — pentium75

   References

   • AWS documentation

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9. Question 559 · 1017 in bank

   A solutions architect is designing a disaster recovery (DR) strategy to provide Amazon EC2 capacity in a failover AWS Region. Business requirements state that the DR strategy must meet capacity in the failover Region. Which solution will meet these requirements?

   • APurchase On-Demand Instances in the failover Region.
   • BPurchase an EC2 Savings Plan in the failover Region.
   • CPurchase regional Reserved Instances in the failover Region.
   • DPurchase a Capacity Reservation in the failover Region.

   Show answer

   Answer: D

   Explanation

   Purchase a Capacity Reservation in the failover Region: A Capacity Reservation allows you to reserve a specific amount of EC2 instance capacity in a given region without purchasing specific instances. This reserved capacity is dedicated to your account and can be utilized for launching instances when needed. Capacity Reservations offer flexibility, allowing you to launch different instance types and sizes within the reserved capacity. Purchase regional Reserved Instances in the failover Region: Regional Reserved Instances involve paying an upfront fee to reserve a certain number of specific EC2 instances in a particular region. These reserved instances are of a predefined type and size, providing a more traditional reservation model. Regional Reserved Instances are specific to a designated region and ensure that the reserved instances of a particular specification are available when needed.

   Source: Adapted from community discussion — Derek_G

   References

   • AWS documentation
   • repost.aws documentation
   • AWS documentation
   • AWS documentation

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10. Question 560 · 1017 in bank

    A company has five organizational units (OUs) as part of its organization in AWS Organizations. Each OU correlates to the five businesses that the company owns. The company's research and development (R&D) business is separating from the company and will need its own organization. A solutions architect creates a separate new management account for this purpose. What should the solutions architect do next in the new management account?

    • AHave the R&D AWS account be part of both organizations during the transition.
    • BInvite the R&D AWS account to be part of the new organization after the R&D AWS account has left the prior organization.
    • CCreate a new R&D AWS account in the new organization. Migrate resources from the prior R&D AWS account to the new R&D AWS account.
    • DHave the R&D AWS account join the new organization. Make the new management account a member of the prior organization.

    Show answer

    Answer: B

    Explanation

    An account can only join another org when it leaves the first org. A is wrong as it's not possible C that's a new account so not really a migration D The R&D department is separating from the company so you don't want the OU to join via nesting

    Source: Adapted from community discussion — awsgeek75

    References

    • repost.aws documentation
    • AWS documentation

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SAA-C03 practice, question 551. 1017 questions available.