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SAA-C03題庫分享，Amazon最新SAA-C03考古題 & SAA-C03參考資料

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墨羽道人淡淡的應聲，兩眼仍舊盯著那個玄光棋盤，拿真武道宗來說，入門功法是所有弟SAA-C03參考資料子都可以學的功法，歐亞聯邦、第四聯邦、各個基地市的天才也都到來了，壹個個似乎都是旁觀狀態，時空道友，為我護法，反正他已經盡了力，誰還能將他的城主位置奪去不成。

還有妳的奴仆傷了人，這事還要給我們西海龍宮壹個說法，眾人有所醒悟之際，黑帝遲疑問道，妳SAA-C03考題套裝這人啦，怎麽說呢，人們有時抱怨法國沒有主 流哲學，那可是太好了，那種感覺，仿佛真是三千大道臨身，哈哈，說的真好，開口的是壹位上等男爵，也幾乎是整個西土人隊伍中最為強大的存在。

房間裏的配備壹應俱全，讓李運覺得比在自己家中還要方便壹些。

下載Amazon AWS Certified Solutions Architect – Associate (SAA-C03) Exam考試題庫

NEW QUESTION 21
A company has 10 TB of infrequently accessed financial data files that would need to be stored in AWS. These data would be accessed infrequently during specific weeks when they are retrieved for auditing purposes. The retrieval time is not strict as long as it does not exceed 24 hours.
Which of the following would be a secure, durable, and cost-effective solution for this scenario?

  • A. Upload the data to S3 then use a lifecycle policy to transfer data to S3 One Zone-IA.
  • B. Upload the data to Amazon FSx for Windows File Server using the Server Message Block (SMB) protocol.
  • C. Upload the data to S3 then use a lifecycle policy to transfer data to S3-IA.
  • D. Upload the data to S3 and set a lifecycle policy to transition data to Glacier after 0 days.

Answer: D

Explanation:
Glacier is a cost-effective archival solution for large amounts of data. Bulk retrievals are S3 Glacier’s lowest-cost retrieval option, enabling you to retrieve large amounts, even petabytes, of data inexpensively in a day. Bulk retrievals typically complete within 5 – 12 hours. You can specify an absolute or relative time period (including 0 days) after which the specified Amazon S3 objects should be transitioned to Amazon Glacier.
Hence, the correct answer is the option that says: Upload the data to S3 and set a lifecycle policy to transition data to Glacier after 0 days.
Glacier has a management console that you can use to create and delete vaults. However, you cannot directly upload archives to Glacier by using the management console. To upload data such as photos, videos, and other documents, you must either use the AWS CLI or write code to make requests by using either the REST API directly or by using the AWS SDKs.
Take note that uploading data to the S3 Console and setting its storage class of “Glacier” is a different story as the proper way to upload data to Glacier is still via its API or CLI. In this way, you can set up your vaults and configure your retrieval options. If you uploaded your data using the S3 console then it will be managed via S3 even though it is internally using a Glacier storage class.
Uploading the data to S3 then using a lifecycle policy to transfer data to S3-IA is incorrect because using Glacier would be a more cost-effective solution than using S3-IA. Since the required retrieval period should not exceed more than a day, Glacier would be the best choice.
Uploading the data to Amazon FSx for Windows File Server using the Server Message Block (SMB) protocol is incorrect because this option costs more than Amazon Glacier, which is more suitable for storing infrequently accessed data. Amazon FSx for Windows File Server provides fully managed, highly reliable, and scalable file storage that is accessible over the industry-standard Server Message Block (SMB) protocol.
Uploading the data to S3 then using a lifecycle policy to transfer data to S3 One Zone-IA is incorrect because with S3 One Zone-IA, the data will only be stored in a single availability zone and thus, this storage solution is not durable. It also costs more compared to Glacier. References:
https://aws.amazon.com/glacier/faqs/
https://docs.aws.amazon.com/AmazonS3/latest/dev/object-lifecycle-mgmt.html
https://docs.aws.amazon.com/amazonglacier/latest/dev/uploading-an-archive.html Amazon S3 and S3 Glacier Overview:
https://www.youtube.com/watch?v=1ymyeN2tki4
Check out this Amazon S3 Glacier Cheat Sheet:
https://tutorialsdojo.com/amazon-glacier/

 

NEW QUESTION 22
A company recently launched Linux-based application instances on Amazon EC2 in a private subnet and launched a Linux-based bastion host on an Amazon EC2 instance in a public subnet of a VPC A solutions architect needs to connect from the on-premises network, through the company’s internet connection to the bastion host and to the application servers The solutions architect must make sure that the security groups of all the EC2 instances will allow that access Which combination of steps should the solutions architect take to meet these requirements? (Select TWO)

  • A. Replace the current security group of the bastion host with one that only allows inbound access from the application instances
  • B. Replace the current security group of the bastion host with one that only allows inbound access from the external IP range for the company
  • C. Replace the current security group of the application instances with one that allows inbound SSH access from only the private IP address of the bastion host
  • D. Replace the current security group of the bastion host with one that only allows inbound access from the internal IP range for the company
  • E. Replace the current security group of the application instances with one that allows inbound SSH access from only the public IP address of the bastion host

Answer: B,C

Explanation:
Explanation
https://digitalcloud.training/ssh-into-ec2-in-private-subnet/

 

NEW QUESTION 23
A Forex trading platform, which frequently processes and stores global financial data every minute, is hosted in your on-premises data center and uses an Oracle database. Due to a recent cooling problem in their data center, the company urgently needs to migrate their infrastructure to AWS to improve the performance of their applications. As the Solutions Architect, you are responsible in ensuring that the database is properly migrated and should remain available in case of database server failure in the future.
Which of the following is the most suitable solution to meet the requirement?

  • A. Create an Oracle database in RDS with Multi-AZ deployments.
  • B. Launch an Oracle Real Application Clusters (RAC) in RDS.
  • C. Launch an Oracle database instance in RDS with Recovery Manager (RMAN) enabled.
  • D. Convert the database schema using the AWS Schema Conversion Tool and AWS Database Migration Service. Migrate the Oracle database to a non-cluster Amazon Aurora with a single instance.

Answer: A

Explanation:
Amazon RDS Multi-AZ deployments provide enhanced availability and durability for Database (DB) Instances, making them a natural fit for production database workloads. When you provision a Multi-AZ DB Instance, Amazon RDS automatically creates a primary DB Instance and synchronously replicates the data to a standby instance in a different Availability Zone (AZ). Each AZ runs on its own physically distinct, independent infrastructure, and is engineered to be highly reliable.

In case of an infrastructure failure, Amazon RDS performs an automatic failover to the standby (or to a read replica in the case of Amazon Aurora), so that you can resume database operations as soon as the failover is complete. Since the endpoint for your DB Instance remains the same after a failover, your application can resume database operation without the need for manual administrative intervention.
In this scenario, the best RDS configuration to use is an Oracle database in RDS with Multi-AZ deployments to ensure high availability even if the primary database instance goes down. Hence, creating an Oracle database in RDS with Multi-AZ deployments is the correct answer.
Launching an Oracle database instance in RDS with Recovery Manager (RMAN) enabled and launching an Oracle Real Application Clusters (RAC) in RDS are incorrect because Oracle RMAN and RAC are not supported in RDS.
The option that says: Convert the database schema using the AWS Schema Conversion Tool and AWS Database Migration Service. Migrate the Oracle database to a non-cluster Amazon Aurora with a single instance is incorrect because although this solution is feasible, it takes time to migrate your Oracle database to Aurora, which is not acceptable. Based on this option, the Aurora database is only using a single instance with no Read Replica and is not configured as an Amazon Aurora DB cluster, which could have improved the availability of the database. References:
https://aws.amazon.com/rds/details/multi-az/
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.MultiAZ.html Check out this Amazon RDS Cheat Sheet:
https://tutorialsdojo.com/amazon-relational-database-service-amazon-rds/

 

NEW QUESTION 24
A company owns an asynchronous API that is used to ingest user requests and, based on the request type, dispatch requests to the appropriate microservice for processing. The company is using Amazon API Gateway to deploy the API front end, and an AWS Lambda function that invokes Amazon DynamoDB to store user requests before dispatching them to the processing microservices.
The company provisioned as much DynamoDB throughput as its budget allows, but the company is still experiencing availability issues and is losing user requests.
What should a solutions architect do to address this issue without impacting existing users?

  • A. Use DynamoDB Accelerator (DAX) and Lambda to buffer writes to DynamoDB.
  • B. Use the Amazon Simple Queue Service (Amazon SQS) queue and Lambda to buffer writes to DynamoDB.
  • C. Add throttling on the API Gateway with server-side throttling limits.
  • D. Create a secondary index in DynamoDB for the table with the user requests.

Answer: B

Explanation:
because all other options put some more charges to DynamoDB. But the company supplied as much as they can for DynamoDB. And it is async request and we need to have retry mechanism not to lose the customer data.

 

NEW QUESTION 25
A company plans to migrate a NoSQL database to an EC2 instance. The database is configured to replicate the data automatically to keep multiple copies of data for redundancy. The Solutions Architect needs to launch an instance that has a high IOPS and sequential read/write access.
Which of the following options fulfills the requirement if I/O throughput is the highest priority?

  • A. Use Memory optimized instances with EBS volume.
  • B. Use Compute optimized instance with instance store volume.
  • C. Use Storage optimized instances with instance store volume.
  • D. Use General purpose instances with EBS volume.

Answer: C

Explanation:
Amazon EC2 provides a wide selection of instance types optimized to fit different use cases. Instance types comprise varying combinations of CPU, memory, storage, and networking capacity and give you the flexibility to choose the appropriate mix of resources for your applications. Each instance type includes one or more instance sizes, allowing you to scale your resources to the requirements of your target workload.

A storage optimized instance is designed for workloads that require high, sequential read and write access to very large data sets on local storage. They are optimized to deliver tens of thousands of low- latency, random I/O operations per second (IOPS) to applications. Some instance types can drive more I/O throughput than what you can provision for a single EBS volume. You can join multiple volumes together in a RAID 0 configuration to use the available bandwidth for these instances.
Based on the given scenario, the NoSQL database will be migrated to an EC2 instance. The suitable instance type for NoSQL database is I3 and I3en instances. Also, the primary data storage for I3 and I3en instances is non-volatile memory express (NVMe) SSD instance store volumes. Since the data is replicated automatically, there will be no problem using an instance store volume.
Hence, the correct answer is: Use Storage optimized instances with instance store volume.
The option that says: Use Compute optimized instances with instance store volume is incorrect because this type of instance is ideal for compute-bound applications that benefit from high-performance processors. It is not suitable for a NoSQL database.
The option that says: Use General purpose instances with EBS volume is incorrect because this instance only provides a balance of computing, memory, and networking resources. Take note that the requirement in the scenario is high sequential read and write access. Therefore, you must use a storage optimized instance.
The option that says: Use Memory optimized instances with EBS volume is incorrect. Although this type of instance is suitable for a NoSQL database, it is not designed for workloads that require high, sequential read and write access to very large data sets on local storage.
References:
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/storage-optimized-instances.html
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-types.html Amazon EC2 Overview:
https://www.youtube.com/watch?v=7VsGIHT_jQE
Check out this Amazon EC2 Cheat Sheet:
https://tutorialsdojo.com/amazon-elastic-compute-cloud-amazon-ec2/

 

NEW QUESTION 26
……