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Burstable EC2 performance instances, which include T3 and T2 instances, are designed to provide a baseline level of CPU performance with the ability to burst to a higher level when required by workload. EC2 T2/T3 Unlimited mode allows users to burst beyond the baseline performance of the...

A dev is building an application. The application's front end is developed in JavaScript, and the data is stored in an Amazon DynamoDB table. During testing, the application returns an HTTP 5xx error from the strongly consistent reads to the DynamoDB table; "Internal server error (Service...

A dev is building a serverless application using AWS Lambda and must create a REST API using an HTTP GET method. To be defined to meet this requirement needs An Amazon API Gateway with a Lambda function and An exposed GET method in Amazon Route 53. An application runs on multiple EC2 instances...

วันนี้เรามาดูในส่วนของ Streaming กันบ้าง สถาปัตยกรรมการ Stream ข้อมูลสมัยใหม่เป็นยังไง? สถาปัตยกรรมการ Stream ข้อมูลที่ทันสมัยช่วยให้เรานำเข้า, ประมวลผล, และวิเคราะห์ข้อมูลความเร็วสูงปริมาณมากจากแหล่งที่มาที่หลากหลายแบบ Real-time เพื่อสร้างประสบการณ์ตอบสนองลูกค้าที่ชาญฉลาดมากขึ้น...

วันนี้เรามาดูวิธีการปรับขนาด AWS EC2 แบบอัตโนมัติ (Autoscaling) กันนะคับ ว่าคืออะไร มีประโยชน์อย่างไร: https://www.youtube.com/watch?v=4EOaAkY4pNE การปรับขนาดแบบอัตโนมัตินั้น ช่วยให้ตัว Application ยังคงมีประสิทธิภาพตามความต้องการของผู้ใช้งาน ด้วยราคาที่ต่ำที่สุดนั่นเอง (Cost Optimization)...

A user has configured a VPC with a new subnet. The user has created a security group and wants to configure that instances of the same subnet communicate with each other. The user should Configure the security group itself as the source and allow traffic on all the protocols and ports. AWS...

A business is currently running their inventory management on premises, but is looking to move into the cloud for increased performance and scalability. > For OnLine Transaction Processing (OLTP), and OnLine Analytical Processing (OLAP), DBs using row-based indexing, there is Amazon RDS. Now...

Foreign key is used to create relationships between tables in a relational DB. Structured Query Language (SQL) use to access data in a relational DB. Amazon Aurora, Oracle DB, and PostgreSQL can Amazon RDS run. Can create and modify Amazon RDS DB instances by using the AWS Command Line...

https://explore.skillbuilder.aws/learn/course/13585/introduction-to-building-with-aws-databases Design principles, A series of questions, and Six pillars are the components of the AWS Well-Architected Framework. A Multi-AZ deployed DB is synchronous while read replicas are asynchronous...

A company runs a multi-tier web application with two Amazon EC2 instances in one AZ in the us-east-1 Region. A SysOps admin must migrate one of the EC2 instances to a new AZ. Solution will accomplish this by Create an Amazon Machine Image (AMI) from the EC2 instance and launch it in a different...

An Application team has asked a SysOps Admin to provision an additional environment for an application in four additional regions. The application is running on more than 100 instances in us-east-1, using fully baked AMIs. An AWS CloudFormation template has been created to deploy resources in...

ACP Cloud Computing: Mike is an architect at a social networking website which has a small user base during the initial startup phase. The images uploaded by each registered customer are directly stored on an Alibaba Cloud ECS instance. However, the user base rapidly expanded recently and...

www.youtube.com/watch?v=Z3SYDTMP3ME มาลองสร้าง App Social Media บน AWS กันครับ: สร้าง Private Network ขึ้นมาก่อน ด้วย Virtual Private Cloud (VPC) เพื่อความปลอดภัย ก็ต้องมี Web Server ด้วย Elastic Compute Cloud (EC2) พร้อม Elastic Block Storage (EBS) และมี Public IP ให้ User สามารถ Access ได้...

7-R Application Migration Strategies: Relocate: คือย้ายไปเลย จะเร็วที่สุด เคยอยู่บน VMware ย้ายไปใช้ VMware Cloud on AWS, Containers Rehosting (Lift & Shift): ย้าย App ไปแบบ Automate หรือ Manual Replatforming: ย้ายไปใช้ Manage Service บ้าง เช่น ใช้ RDS, Elastic Beanstalk Repurchasing: ใช้...

All file uploading method provided by Alibaba Cloud OSS service will support resuming from break point. If uploading some small files (<1m), can choose using put method to be able finish uploading in one http request. If need to upload very large file better use multi-part uploading to get the...

A SysOps Admin found that a newly-deployed Amazon EC2 application server is unable to connect to an existing Amazon RDS database. After enabling VPC Flow Logs and confirming that the flow log is active on the console, the log group cannot be located in Amazon CloudWatch. The MOST likely reasons...

AWS Solution Architect Interview Questions: What is AWS? AWS stands for Amazon Web Service; it is a collection of remote computing services also known as a cloud computing platform. It's comprehensive cloud computing platform offered by Amazon that offers flexible, reliable, scalable...

A company wants to reduce costs on jobs that can be completed at any time. The jobs are currently run using multiple On-Demand Instances, and the jobs take just under 2 hours to complete. If a job fails for any reason, it can be restarted from the beginning. The MOST cost-effective method based...

{ "Id": "IPAllowPolicy", "Statement": [ { "Sid": "IPAllow", "Action": "s3:*", "Effect": "Allow", "Resource": "arn:aws:s3:::mybucket/*", "Condition": { "IpAddress": { "aws:SourceIp": "192.168.100.0/24" }, "NotIpAddress": {...

With SDWAN, if there are 100 branches share common config and policy attributes, 1 profile would be sufficient. If an external firewall exist at a site, a VMWARE SDWAN Edge can be placed - Between Firewall and Internet circuit, Firewall and LAN switch, or In the DMZ parallel to the firewall...