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Amazon SAA-C03 Exam is a certification exam for individuals who want to become an AWS Certified Solutions Architect – Associate. SAA-C03 exam is designed to test the candidate's knowledge and skills in designing, deploying, and managing scalable, highly available, and fault-tolerant systems on the AWS platform. SAA-C03 exam is intended for individuals who have experience working with AWS services and have knowledge of the core AWS services, including EC2, S3, VPC, and RDS.
Amazon SAA-C03 (Amazon AWS Certified Solutions Architect - Associate) Certification Exam is designed for IT professionals who want to establish their expertise in designing and deploying scalable, highly available, and fault-tolerant systems on Amazon Web Services (AWS) platform. SAA-C03 exam is intended for individuals who have experience working with AWS services and possess foundational knowledge of AWS cloud computing.
NEW QUESTION # 694
A company has a web application that is relying entirely on slower disk-based databases, causing it to perform slowly. To improve its performance, the Solutions Architect integrated an in-memory data store to the web application using ElastiCache.
How does Amazon ElastiCache improve database performance?
Answer: D
Explanation:
ElastiCache improves the performance of your database through caching query results.
The primary purpose of an in-memory key-value store is to provide ultra-fast (submillisecond latency) and inexpensive access to copies of data. Most data stores have areas of data that are frequently accessed but seldom updated. Additionally, querying a database is always slower and more expensive than locating a key in a key-value pair cache. Some database queries are especially expensive to perform, for example, queries that involve joins across multiple tables or queries with intensive calculations.
By caching such query results, you pay the price of the query once and then are able to quickly retrieve the data multiple times without having to re-execute the query.
The option that says: It securely delivers data to customers globally with low latency and high transfer speeds is incorrect because this option describes what CloudFront does and not ElastiCache.
The option that says: It provides an in-memory cache that delivers up to 10x performance improvement from milliseconds to microseconds or even at millions of requests per second is incorrect because this option describes what Amazon DynamoDB Accelerator (DAX) does and not ElastiCache. Amazon DynamoDB Accelerator (DAX) is a fully managed, highly available, in-memory cache for DynamoDB.
Amazon ElastiCache cannot provide a performance improvement from milliseconds to microseconds, let alone millions of requests per second like DAX can.
The option that says: It reduces the load on your database by routing read queries from your applications to the Read Replica is incorrect because this option describes what an RDS Read Replica does and not ElastiCache. Amazon RDS Read Replicas enable you to create one or more read-only copies of your database instance within the same AWS Region or in a different AWS Region. References:
https://aws.amazon.com/elasticache/
https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/elasticache-use-cases.html Check out this Amazon Elasticache Cheat Sheet:
https://tutorialsdojo.com/amazon-elasticache/
NEW QUESTION # 695
A company has a hybrid cloud architecture that connects their on-premises data center and cloud infrastructure in AWS. They require a durable storage backup for their corporate documents stored on- premises and a local cache that provides low latency access to their recently accessed data to reduce data egress charges. The documents must be stored to and retrieved from AWS via the Server Message Block (SMB) protocol. These files must immediately be accessible within minutes for six months and archived for another decade to meet the data compliance.
Which of the following is the best and most cost-effective approach to implement in this scenario?
Answer: D
Explanation:
A file gateway supports a file interface into Amazon Simple Storage Service (Amazon S3) and combines a service and a virtual software appliance. By using this combination, you can store and retrieve objects in Amazon S3 using industry-standard file protocols such as Network File System (NFS) and Server Message Block (SMB). The software appliance, or gateway, is deployed into your on-premises environment as a virtual machine (VM) running on VMware ESXi, Microsoft Hyper-V, or Linux Kernel- based Virtual Machine (KVM) hypervisor.
The gateway provides access to objects in S3 as files or file share mount points. With a file gateway, you can do the following:
- You can store and retrieve files directly using the NFS version 3 or 4.1 protocol.
- You can store and retrieve files directly using the SMB file system version, 2 and 3 protocol.
- You can access your data directly in Amazon S3 from any AWS Cloud application or service.
- You can manage your Amazon S3 data using lifecycle policies, cross-region replication, and versioning.
You can think of a file gateway as a file system mount on S3.
AWS Storage Gateway supports the Amazon S3 Standard, Amazon S3 Standard-Infrequent Access, Amazon S3 One Zone-Infrequent Access and Amazon Glacier storage classes. When you create or update a file share, you have the option to select a storage class for your objects. You can either choose the Amazon S3 Standard or any of the infrequent access storage classes such as S3 Standard IA or S3 One Zone IA. Objects stored in any of these storage classes can be transitioned to Amazon Glacier using a Lifecycle Policy.
Although you can write objects directly from a file share to the S3-Standard-IA or S3-One Zone-IA storage class, it is recommended that you use a Lifecycle Policy to transition your objects rather than write directly from the file share, especially if you're expecting to update or delete the object within 30 days of archiving it.
Therefore, the correct answer is: Launch a new file gateway that connects to your on-premises data center using AWS Storage Gateway. Upload the documents to the file gateway and set up a lifecycle policy to move the data into Glacier for data archival.
The option that says: Launch a new tape gateway that connects to your on-premises data center using AWS Storage Gateway. Upload the documents to the tape gateway and set up a lifecycle policy to move the data into Glacier for archival is incorrect because although tape gateways provide cost-effective and durable archive backup data in Amazon Glacier, it does not meet the criteria of being retrievable immediately within minutes. It also doesn't maintain a local cache that provides low latency access to the recently accessed data and reduce data egress charges. Thus, it is still better to set up a file gateway instead.
The option that says: Establish a Direct Connect connection to integrate your on-premises network to your VPC. Upload the documents on Amazon EBS Volumes and use a lifecycle policy to automatically move the EBS snapshots to an S3 bucket, and then later to Glacier for archival is incorrect because EBS Volumes are not as durable compared with S3 and it would be more cost-efficient if you directly store the documents to an S3 bucket. An alternative solution is to use AWS Direct Connect with AWS Storage Gateway to create a connection for high-throughput workload needs, providing a dedicated network connection between your on-premises file gateway and AWS. But this solution is using EBS, hence, this option is still wrong.
The option that says: Use AWS Snowmobile to migrate all of the files from the on-premises network.
Upload the documents to an S3 bucket and set up a lifecycle policy to move the data into Glacier for archival is incorrect because Snowmobile is mainly used to migrate the entire data of an on-premises data center to AWS. This is not a suitable approach as the company still has a hybrid cloud architecture which means that they will still use their on-premises data center along with their AWS cloud infrastructure.
References: https://docs.aws.amazon.com/AmazonS3/latest/dev/object-lifecycle-mgmt.html
https://docs.aws.amazon.com/storagegateway/latest/userguide/StorageGatewayConcepts.html Check out this Amazon S3 Cheat Sheet:
https://tutorialsdojo.com/amazon-s3/
Tutorials Dojo's AWS Certified Solutions Architect Associate Exam Study Guide:
https://tutorialsdojo.com/aws-certified-solutions-architect-associate-saa-c02/
NEW QUESTION # 696
A company has a development account that contains Amazon EC2 instances. The company uses the EC2 instances for testing. A recent audit of the development account showed that some developers occasionally forget to stop instances after the tests are finished, which incurs extra costs. The company wants to optimize costs for the development account. The company wants to use AWS Budgets to implement a budget for the account.
Which solution will meet these requirements?
Answer: D
Explanation:
Option B is the best answer because AWS Budgets can take automated actions, and forecast-based thresholds let the company intervenebeforeactual spending fully lands. AWS documentation explains that AWS Budgets actions can target EC2 instances, and forecast-based budget alerts are specifically intended to warn when projected spend is expected to exceed the threshold during the period. That makes forecasted costs more proactive than waiting until actual spend reaches the full budgeted amount. Option A works, but it adds extra operational overhead by introducing SNS and Lambda when AWS Budgets actions can already automate the response directly. Option C is unrelated because a scheduled rule does not respond to budget state. Therefore, forecast-based AWS Budgets actions that automatically stop the EC2 instances is the most cost-effective and direct design. (AWS Documentation)
NEW QUESTION # 697
An image-hosting company stores its objects in Amazon S3 buckets. The company wants to avoid accidental exposure of the objects in the S3 buckets to the public. All S3 objects in the entire AWS account need to remain private Which solution will meal these requirements?
Answer: D
NEW QUESTION # 698
A company has hired an external vendor to perform work in the company's AWS account. The vendor uses an automated tool that is hosted in an AWS account that the vendor owns. The vendor does not have IAM access to the company's AWS account.
How should a solutions architect grant this access to the vendor?
Answer: D
Explanation:
https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_common-scenarios_third-party.html
NEW QUESTION # 699
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