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Amazon AWS Certified Solutions Architect - Associate (SAA-C03) certification exam is designed to validate a candidate's technical skills and knowledge in designing, deploying, and managing scalable, highly available, and fault-tolerant systems on the Amazon Web Services (AWS) platform. AWS Certified Solutions Architect - Associate certification is suitable for IT professionals who are seeking a career in cloud computing or those who are already working with AWS and want to enhance their skills and knowledge. SAA-C03 Exam Tests a candidate's ability to design and deploy AWS solutions that meet customer requirements and provide guidance on architectural best practices.
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Amazon AWS Certified Solutions Architect - Associate Sample Questions (Q554-Q559):
NEW QUESTION # 554
A company is implementing new data retention policies for all databases that run on Amazon RDS DB instances. The company must retain daily backups for a minimum period of 2 years. The backups must be consistent and restorable.
Which solution should a solutions architect recommend to meet these requirements?
- A. Configure database transaction logs to be automatically backed up to Amazon CloudWatch Logs with an expiration period of 2 years.
- B. Configure a backup window for the RDS DB instances for daily snapshots. Assign a snapshot retention policy of 2 years to each RDS DB instance. Use Amazon Data Lifecycle Manager (Amazon DLM) to schedule snapshot deletions.
- C. Configure an AWS Database Migration Service (AWS DMS) replication task. Deploy a replication instance, and configure a change data capture (CDC) task to stream database changes to Amazon S3 as the target. Configure S3 Lifecycle policies to delete the snapshots after 2 years.
- D. Create a backup vault in AWS Backup to retain RDS backups. Create a new backup plan with a daily schedule and an expiration period of 2 years after creation. Assign the RDS DB instances to the backup plan.
Answer: D
Explanation:
AWS Backup is a fully managed service that enables users to centralize and automate the backup of data across AWS services. It can create and manage backup plans that specify the frequency and retention period of backups. It can also assign backup resources to backup vaults, which are containers that store backup data1.
By using AWS Backup, the solution can ensure that the RDS backups are consistent, restorable, and retained for a minimum period of 2 years.
B:Configure a backup window for the RDS DB instances for daily snapshots. Assign a snapshot retention policy of 2 years to each RDS DB instance. Use Amazon Data Lifecycle Manager (Amazon DLM) to schedule snapshot deletions. This solution will not meet the requirement of ensuring that the backupsare consistent and restorable, as Amazon DLM is not compatible with RDS snapshots and cannot be used to schedule snapshot deletions2.
C:Configure database transaction logs to be automatically backed up to Amazon CloudWatch Logs with an expiration period of 2 years. This solution will not meet the requirement of ensuring that the backups are consistent and restorable, as database transaction logs are not sufficient to restore a database to a point in time. They only capture the changes made to the database, not the full state of the database3.
D:onfigure an AWS Database Migration Service (AWS DMS) replication task. Deploy a replication instance, and configure a change data capture (CDC) task to stream database changes to Amazon S3 as the target. Configure S3 Lifecycle policies to delete the snapshots after 2 years. This solution will not meet the requirement of ensuring that the backups are consistent and restorable, as AWS DMS is a service that helps users migrate databases to AWS, not back up databases. It also requires additional resources and configuration, such as replication instances and CDC tasks.
Reference URL: https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html
NEW QUESTION # 555
A company has two VPCs named Management and Production. The Management VPC uses VPNs through a customer gateway to connect to a single device in the data center. The Production VPC uses a virtual private gateway AWS Direct Connect connections. The Management and Production VPCs both use a single VPC peering connection to allow communication between the What should a solutions architect do to mitigate any single point of failure in this architecture?
- A. Add a second virtual private gateway and attach it to the Management VPC.
- B. Add a second VPC peering connection between the Management VPC and the Production VPC.
- C. Add a set of VPNs between the Management and Production VPCs.
- D. Add a second set of VPNs to the Management VPC from a second customer gateway device.
Answer: D
Explanation:
This answer is correct because it provides redundancy for the VPN connection between the Management VPC and the data center. If one customer gateway device or one VPN tunnel becomes unavailable, the traffic can still flow over the second customer gateway device and the second VPN tunnel. This way, the single point of failure in the VPN connection is mitigated.
Reference:
https://docs.aws.amazon.com/vpn/latest/s2svpn/vpn-redundant-connection.html
https://www.trendmicro.com/cloudoneconformity/knowledge-base/aws/VPC/vpn-tunnel-redundancy.html
NEW QUESTION # 556
A company hosts its applications in multiple private and public subnets in a VPC. The applications in the private subnets need to access an API. The API is available on the internet and is hosted in the company's on-premises data center. A solutions architect needs to establish connectivity for applications in the private subnets. Which solution will meet these requirements MOST cost-effectively?
- A. Create a transit gateway to connect the VPC to the on-premises network. Use the transit gateway to route API calls from the private subnets to the on-premises data center.
- B. Create a NAT gateway in the public subnet of the VPC. Use the NAT gateway to allow the private subnets to access the API over the internet.
- C. Implement an AWS Site-to-Site VPN connection between the VPC and the on-premises data center.Use the VPN connection to make API calls from the private subnets to the on-premises data center.
- D. Establish an AWS PrivateLink connection to connect the VPC to the on-premises network. Use PrivateLink to make API calls from the private subnets to the on-premises data center.
Answer: B
Explanation:
* Key Requirements:
* Private subnets need to access an API on the internet.
* Solution must be cost-effective.
* Analysis of Options:
* Option A: A transit gateway is a robust and scalable solution but involves higher costs compared to other options for this use case.
* Option B: A NAT gateway allows instances in private subnets to access the internet while keeping them private. It is a simple and cost-effective solution.
* Option C: AWS PrivateLink is designed for private service-to-service communications within AWS or between AWS and on-premises, but it is not cost-effective for this specific scenario.
* Option D: A Site-to-Site VPN is not required because the API is hosted on the internet. VPN connections add unnecessary complexity and cost.
* AWS References:
* NAT Gateways
* VPC Internet Connectivity Options
NEW QUESTION # 557
A solutions architect needs to implement a solution to reduce a company's storage costs. All the company's data is in the Amazon S3 Standard storage class. The company must keep all data for at least 25 years. Data from the most recent 2 years must be highly available and immediately retrievable.
Which solution will meet these requirements?
- A. Use S3 Intelligent-Tiering. Activate the archiving option to ensure that data is archived in S3 Glacier Deep Archive.
- B. Set up an S3 Lifecycle policy to transition objects to S3 Glacier Deep Archive immediately.
- C. Set up an S3 Lifecycle policy to transition objects to S3 Glacier Deep Archive after 2 years.
- D. Set up an S3 Lifecycle policy to transition objects to S3 One Zone-Infrequent Access (S3 One Zone-IA) immediately and to S3 Glacier Deep Archive after 2 years.
Answer: C
Explanation:
https://aws.amazon.com/about-aws/whats-new/2018/04/announcing-s3-one-zone-infrequent-access-a-new-amazon-s3-storage-class/?nc1=h_ls
NEW QUESTION # 558
A company plans to use AWS to run high-performance computing (HPC) workloads and analytics workloads. The company will run HPC workloads on Amazon EC2 instances. The workloads require a high-performance file system that can scale to millions of input/output operations per second (IOPS).
Which combination of steps will meet these requirements? (Select TWO.)
- A. Use Mountpoint for Amazon S3 as a high-performance file system.
- B. Create an Auto Scaling group of Amazon EC2 instances. Use Reserved Instances. Configure a spread placement group. Use AWS Batch to run the analytics workloads.
- C. Use Amazon Elastic File System (Amazon EFS) as a high-performance file system.
- D. Use Amazon FSx for Lustre as a high-performance file system.
- E. Create an Auto Scaling group of Amazon EC2 instances. Use a mix of On-Demand Instances, Reserved Instances, and Spot Instances. Configure a cluster placement group. Use Amazon EMR to run the analytics workloads.
Answer: D,E
Explanation:
* Option B (Amazon FSx for Lustre): FSx for Lustre is optimized for high-performance file systems required by HPC workloads, scaling to millions of IOPS and supporting parallelized data access.
* Option E (Cluster Placement Group with Auto Scaling): A cluster placement group ensures low- latency communication between EC2 instances, critical for HPC workloads. Amazon EMR simplifies running large-scale analytics jobs.
Amazon FSx for Lustre Documentation, AWS Placement Groups Documentation
NEW QUESTION # 559
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