AWS Overall

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Lernen beginnen

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Frage		Antworten
3 types of computing options in AWS Lernen beginnen		virtual machines, serverless, container services
What is AWS VPC? Lernen beginnen		This is virtual private cloud. Isolated network.
What do you need to configure to make resources from VPC available from internet? Lernen beginnen		internet gateway
What can you use to connect your on premises data center with VPC? Lernen beginnen		AWS Direct Connect
How many VPC you can have in one region Lernen beginnen		Many, but you cannot have one per two regions
T/F If you create VPC AWS creates main route table that enables flow between subnets Lernen beginnen		True
What two security measures you have within VPC Lernen beginnen		network ACL (access control list), security groups
By default security groups on EC2 instance Lernen beginnen		blocks all inbound traffic and allow outbound traffic
T/F active-active systems are good for stateful application Lernen beginnen		False, There will be issue if the session for example is not available on both servers
What is needed to create in order to set up Load Balancer? Lernen beginnen		Target group
what are components of load balancer? Lernen beginnen		Rules, listeners and target groups
What are 3 components to make EC2 autoscalling Lernen beginnen		Launch template, Scaling groups and Scaling policies
ACL are (specify 3) Lernen beginnen		stateless, one-way routing rule, allow all by default
What is the difference between Spot Instance and on-demand instance? EC2 Lernen beginnen		Spot instance doesn't guarantee it will be running long enough to finish workloads

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