Our AWS Community is Expanding! Join our Slack and Facebook Groups for More Exam Tips Over the past couple of years, Tutorials Dojo has garnered over 100,000 student enrolments on Udemy and is proud to have a passing rate of at least 90% in all of our practice test courses based on user feedback. Every day, we'd receive more than a handful of success stories and valuable insights about the actual AWS exams, however, these useful tips are only privately posted within the Q&A section of our Udemy courses which are not publicly accessible. Our recent exam passer, Adrian, [...]
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Increasing MTU for Your EC2 Instance What is MTU? MTU (maximum transmission unit) is the maximum size of one packet of data that can be transferred in a network. The default MTU size for Ethernet devices is 1500 bytes. This packet size contains the actual payload data as well as network overhead information needed for communication within the network. All AWS EC2 instances support the default MTU size. But many current instance sizes support 9001 MTU, also referred to as jumbo frames. Enabling jumbo frames for supported EC2 instances can be beneficial because it improves network efficiency by allowing your [...]
Amazon Cognito User Pools vs Identity Pools With the proliferation of smartphones in our connected world, more and more developers are quickly deploying their applications on the cloud. One of the first challenges in developing applications is allowing users to log in and authenticate on your applications. There are multiple stages involved in user verification and most of these are not visible from the end-user. AWS provides an easy solution for this situation. User Identity verification is at the core of Amazon Cognito. It provides solutions for three key areas of user identification: Authentication – provides users sign-up and sign-in [...]
AWS Transit Gateway A networking service that uses a hub and spoke model to enable customers to connect their on-premises data centers and their Amazon Virtual Private Clouds (VPCs) to a single gateway. With this service, customers only have to create and manage a single connection from the central gateway into each on-premises data center, remote office, or VPC across your network. If a new VPC is created, it is automatically connected to the Transit Gateway and will also be available to every other network that is also connected to the Transit Gateway. Features: Inter-region peering Transit Gateway leverages the [...]
Locking your Glacier Vault using the Amazon S3 Glacier API What is Amazon S3 Glacier Vault Lock A Glacier Vault can be described as a container for your archived objects in S3 Glacier. To begin using Amazon S3 Glacier, you need a vault. Creating and deleting vaults can be easily done in the AWS Management Console, but interacting with them requires you to use the APIs. For example, let’s say you want to upload images or log files to your vault. To do so, you would either use the AWS CLI or write code that would upload these objects. Large [...]
AWS Certified Security - Specialty Exam Study Path The AWS Specialty certification exams are intended for people who handle more specific responsibilities in AWS Cloud. Since these responsibilities demand a more advanced skill set with prior experience from a person, these AWS specialty exams are built so that they could reinforce and validate a person’s eligibility for that role. There are no associate and professional levels in a specialty learning path, so the exams serve as the whole package already. And since they are made that way, expect no less from the specialty certification exams, as they will be as [...]
Amazon S3 Bucket Policies for VPC Endpoints Amazon S3 and Amazon VPC Relationship Amazon S3 is a versatile object storage solution that boasts virtually unlimited storage capacity. You can expect that your files will be durably stored in S3 given that AWS provides an SLA for this service. When creating your S3 bucket, AWS provides you with a unique bucket URL that you can use to access your S3 bucket directly from the public internet, if you have public access enabled. Amazon S3 is a service that is not used within a VPC. This means that traffic does not pass [...]
AWS Fargate A serverless compute engine for containers that works with both Amazon Elastic Container Service (ECS) and Amazon Elastic Kubernetes Service (EKS). With Fargate, no manual provisioning, patching, cluster capacity management, or any infrastructure management required. How It Works Use Case Launching containers without having to provision or manage EC2 instances. If you want a managed service for container cluster management. Configurations Amazon ECS task definitions for Fargate require that you specify CPU and memory at the task level (task definition). Amazon ECS task definitions for Fargate support the ulimits parameter to define the resource limits to set for [...]
Which AWS Certification Exam Is Right For Me? Want to boost your career by becoming AWS certified but not sure which AWS certification exam to take? Tutorials Dojo is here to help you decide which one is suitable for you depending on your career goals. It’s important to know why you’re taking a certification exam. It can be because your job requires you to have one, or because you want to land your dream career and impress your employers. Nevertheless, it is undeniable that AWS certifications hold a lot of value in the industry. Cloud computing, DevOps, SysOps, and Serverless [...]
Amazon Detective The service automatically collects log data from your AWS resources and uses machine learning, statistical analysis, and graph theory to build a linked set of data that enables you to easily conduct faster and more efficient security investigations. Can be integrated with AWS security services like Amazon GuardDuty, Amazon Macie, and AWS Security Hub as well as partner security products to identify potential security issues, or findings. Amazon Detective can analyze trillions of events from multiple data sources such as VPC Flow Logs, AWS CloudTrail, and Amazon GuardDuty, and automatically creates a unified, interactive view of your resources, [...]