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aws certification

Home » aws certification » Page 8

S3 Pre-signed URLs vs CloudFront Signed URLs vs Origin Access Identity (OAI) vs Origin Access Control (OAC)

2023-08-30T13:09:41+00:00

  S3 Pre-signed URLs CloudFront Signed URLs Origin Access Identity (OAI) Origin Access Control (OAC) All S3 buckets and objects by default are private. Only the object owner has permission to access these objects. Pre-signed URLs use the owner’s security credentials to grant others time-limited permission to download or upload objects. When creating a pre-signed URL, you (as the owner) need to provide the following: Your security credentials An S3 bucket name An object key Specify the HTTP method (GET to download the object or PUT to upload an object) Expiration date and time of the URL. You can control user [...]

S3 Pre-signed URLs vs CloudFront Signed URLs vs Origin Access Identity (OAI) vs Origin Access Control (OAC)2023-08-30T13:09:41+00:00

Security Group vs NACL

2024-08-05T01:51:49+00:00

Security Group Network Access Control List Acts as a firewall for associated Amazon EC2 instances. Acts as a firewall for associated subnets. Controls both inbound and outbound traffic at the instance level. Controls both inbound and outbound traffic at the subnet level. You can secure your VPC instances using only security groups. Network ACLs are an additional layer of defense. Supports allow rules only. Supports allow rules and deny rules. Stateful (Return traffic is automatically allowed, regardless of any rules). Stateless (Return traffic must be explicitly allowed by rules). Evaluates all rules before deciding whether to allow traffic. Evaluates rules [...]

Security Group vs NACL2024-08-05T01:51:49+00:00

AWS CloudTrail vs Amazon CloudWatch

2023-06-27T01:45:43+00:00

AWS CloudTrail vs Amazon CloudWatch Cheat Sheet CloudWatch is a monitoring service for AWS resources and applications. CloudTrail is a web service that records API activity in your AWS account. They are both useful monitoring tools in AWS. By default, CloudWatch offers free basic monitoring for your resources, such as EC2 instances, EBS volumes, and RDS DB instances. CloudTrail is also enabled by default when you create your AWS account. With CloudWatch, you can collect and track metrics, collect and monitor log files, and set alarms. CloudTrail, on the other hand, logs information on who made a request, the services [...]

AWS CloudTrail vs Amazon CloudWatch2023-06-27T01:45:43+00:00

S3 Standard vs S3 Standard-IA vs S3 One Zone-IA vs S3 Intelligent Tiering vs S3 Express One Zone

2024-02-16T04:59:24+00:00

  S3 Standard S3 Standard-Infrequent Access (IA) S3  One Zone - Infrequent Access (IA) S3 Intelligent Tiering S3 Express One Zone Features General-purpose storage of frequently accessed data. For long-lived, rapid but less frequently accessed data; data is stored redundantly in multiple AZs. For long-lived, rapid but less frequently accessed data; data is stored redundantly in only one AZ of your choice. For long-lived data that have unpredictable access patterns. High performance storage for most frequently accessed data. Durability 99.999999999% (11 9's) 99.999999999% (11 9's) 99.999999999% (11 9's) 99.999999999% (11 9's) 99.999999999% (11 9's) Availability 99.99% 99.9% 99.5% 99.9% 99.95% [...]

S3 Standard vs S3 Standard-IA vs S3 One Zone-IA vs S3 Intelligent Tiering vs S3 Express One Zone2024-02-16T04:59:24+00:00

Amazon S3 vs Glacier

2023-04-07T03:45:20+00:00

Amazon S3 is a durable, secure, simple, and fast storage service, while Amazon S3 Glacier is used for archiving solutions. Use S3 if you need low latency or frequent access to your data. Use S3 Glacier for low storage cost, and you do not require millisecond access to your data. You have three retrieval options when it comes to Glacier, each varying in the cost and speed it retrieves an object for you. You retrieve data in milliseconds from S3. Both S3 and Glacier are designed for durability of 99.999999999% of objects across multiple Availability Zones. S3 and Glacier are [...]

Amazon S3 vs Glacier2023-04-07T03:45:20+00:00

Amazon RDS vs DynamoDB

2023-04-10T06:08:52+00:00

  RDS DynamoDB Type of database Managed relational (SQL) database Fully managed key-value and document (NoSQL) database Features Has several database instance types for different kinds of workloads and supports six database engines - Amazon Aurora, PostgreSQL, MySQL, MariaDB, Oracle Database, and SQL Server. Delivers single-digit millisecond performance at any scale. Storage Size -128 TB for Aurora engine. -64 TB for MySQL, MariaDB, Oracle and PostgreSQL engines. -16 TB for SQL Server engine. Supports tables of virtually any size. Number of tables per unit Depends on the database engine 256 Performance General Purpose Storage is an SSD-backed storage option that delivers at consistent baseline [...]

Amazon RDS vs DynamoDB2023-04-10T06:08:52+00:00

Amazon S3 vs EBS vs EFS

2023-04-10T06:10:12+00:00

  S3 EBS EFS Type of storage Object storage. You can store virtually any kind of data in any format. Persistent block level storage for EC2 instances. POSIX-compliant file storage for EC2 instances. Features Accessible to anyone or any service with the right permissions Deliver performance for workloads that require the lowest-latency access to data from a single EC2 instance Has a file system interface, file system access semantics (such as strong consistency and file locking), and concurrently-accessible storage for multiple EC2 instances Max Storage Style  Virtually unlimited  16 TiB for one volume  Unlimited system size Max File Size Individual [...]

Amazon S3 vs EBS vs EFS2023-04-10T06:10:12+00:00

AWS Elastic Load Balancing (ELB)

2024-11-14T08:47:03+00:00

Bookmarks General Features Types of Load Balancers Security Authentication and Access Control Summary of Features Pricing AWS Elastic Load Balancing-related Cheat Sheets Validate Your Knowledge AWS Elastic Load Balancing Cheat Sheet Distributes incoming application or network traffic across multiple targets, such as EC2 instances, containers (ECS), Lambda functions, and IP addresses, in multiple Availability Zones. When you create a load balancer, you must specify one public subnet from at least two Availability Zones. You can specify only one public subnet per Availability Zone. General Features Accepts incoming traffic from clients [...]

AWS Elastic Load Balancing (ELB)2024-11-14T08:47:03+00:00

Amazon Simple WorkFlow (Amazon SWF)

2023-06-23T08:31:14+00:00

Bookmarks Features Concepts Workflow Execution Endpoints AWS Flow Framework Pricing SQS vs SWF Limits Amazon Simple WorkFlow Cheat Sheet A fully-managed state tracker and task coordinator in the Cloud. You create desired workflows with their associated tasks and any conditional logic you wish to apply and store them with SWF. Features SWF promotes a separation between the control flow of your background job's stepwise logic and the actual units of work that contain your unique business logic. SWF manages your workflow execution history and other details of your workflows [...]

Amazon Simple WorkFlow (Amazon SWF)2023-06-23T08:31:14+00:00

Amazon SNS

2024-07-17T03:32:35+00:00

Bookmarks Features Publishers and Subscribers SNS Topics Message Attributes Message Filtering Raw Message Delivery System to System Messaging User Notifications SNS Delivery Retries Monitoring Security Pricing Limits Amazon SNS Cheat Sheet A web service that makes it easy to set up, operate, and send notifications from the cloud. SNS follows the “publish-subscribe” (pub-sub) messaging paradigm, with notifications being delivered to clients using a “push” mechanism rather than to periodically check or “poll” for new information and updates. Features SNS is an event-driven computing hub [...]

Amazon SNS2024-07-17T03:32:35+00:00

AWS, Azure, and GCP Certifications are consistently among the top-paying IT certifications in the world, considering that most companies have now shifted to the cloud. Upskill and earn over $150,000 per year with an AWS, Azure, or GCP certification!

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