Video: https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2050708?start=0 FAQ: https://aws.amazon.com/sqs/faqs/ SQS Fact: SQS is the OLDEST Amazon service that was available. SQS is a web service that gives you access to a message queue that can be used to store messages while waiting for a computer to process them. SQS is a distributed queue system that enables web service applications ..
Archives : October-2017
This is not part of the course, but noted from my own experience Important INBOUND Rules Type Protocol Port Range Source Rule Note All Traffic ALL ALL 10.0.0.0/16 Allow Accept all communications from any resource on the VPC All ICMP ICMP ALL 0.0.0.0/0 Allow Ping SSH TCP 22 0.0.0.0/0 Allow SSH Access HTTP TCP 80 ..
https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2801642?start=0 http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_Security.html Security Group Network ACL Operates at the instance level (first layer of defense) Operates at the subnet level (second layer of defense) Supports allow rules only Supports allow rules and deny rules Is stateful: Return traffic is automatically allowed, regardless of any rules Is stateless: Return traffic must be explicitly allowed by rules ..
https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2801640?start=0 NAT Instances An EC2 instance that acts as a gateway. An Instance that is used to provide Internet traffic to EC2 instances in private subnets (non-Internet accessible). Create an EC2 instance from the Community AMIs after searching for ‘NAT’ Pick the most recent one. The OS install is slightly smaller than what you would ..
https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2801686?start=0 Build your own VPC Create the VPC Networking > VPC > Your VPCs > Create VPC Name Tag CIDR = Classless Inter-Domain Routing It does NOT automatically create Subnets Internet Gateways It DOES automatically create Route Table Network ACL Security Group Create Subnets Subnets CANNOT span AZ! AWS reserves 3 IP addresses per subnet, ..
https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2050704?start=0 This section is essential regardless of the exam you’re taking. A VPC is a logical datacenter.’ VPCs do NOT span Regions, but can span AZ Amazon Virtual Private Cloud (Amazon VPC) lets you provision a logically isolated section of the Amazon Web Services (AWS) Cloud where you can launch AWS resources in a virtual ..
https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2050800?start=0 Exam Tips RDS Used for OLTP (Online Transaction Processing) SQL Server MySQL PostgreSQL Oracle Aurora MariaDB DynamoDB No-SQL RedShift OLAP Data Warehousing ElastiCache In Memory Caching Memcached Redis What is RDS Multi-AZ Used for HA / DR Automatically sychronized to alternate AZ when enabled. DNS automatically transferred to alternate instance if the primary fails. ..
https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2051702?start=0 Aurora only runs on AWS infrastructure. Aurora is a MySQL compatible, relational database engine that combi9nes the speed and availability of high-end commercial databases with the simplicity and cost-effectiveness of open source databases. Aurora provides up to 5 times better performance than MySQL at a price point 1/10th that of a commercial database (Oracle?) ..
https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2152298?start=0 ElastiCache is a web service that makes it easy to deploy, operate and scale an in-memory cache in the cloud. The service improves the performance of web applications by allowing you to retrieve information from fast, managed, in-memory caches, instead of relying entirely on slower disk-based databases. ElastiCache can be used to significantly improve ..
https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2050702?start=0 Redshift is a fast and powerful, fully managed, petabyte-scale data warehouse service in the cloud. Customer can startsmall for just $0.25 per hour with no commitments or upfront costs and scale to a petabyte or more for $1000/terabyte per year, less than 1/10 most other data warehousing solutions. Data Warehousing databases use different type ..
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