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abregman
@@ -53,20 +53,6 @@ Edge locations are basically content delivery network which caches data and insu
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#### AWS Networking
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<details>
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<summary>What is AWS Direct Connect?</summary><br><b>
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Allows you to connect your corporate network to AWS network.
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</b></details>
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<details>
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<summary>What is Route 53?</summary><br><b>
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"Amazon Route 53 is a highly available and scalable cloud Domain Name System (DNS) web service"
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More on Route 53 [here](https://aws.amazon.com/route53)
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</b></details>
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<details>
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<summary>What is VPC?</summary><br><b>
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@@ -114,6 +100,12 @@ False.
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Read more about it [here](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-security-groups.html) and [here](https://docs.aws.amazon.com/vpc/latest/userguide/VPC_SecurityGroups.html)
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</b></details>
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<details>
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<summary>What is AWS Direct Connect?</summary><br><b>
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Allows you to connect your corporate network to AWS network.
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</b></details>
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#### AWS Compute
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<details>
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@@ -338,6 +330,184 @@ There can be several reasons for that. One of them is lack of policy. To solve t
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Only a login access.
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</b></details>
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##### AWS ELB
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<details>
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<summary>What is ELB (Elastic Load Balancing)?</summary><br><b>
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AWS definition: "Elastic Load Balancing automatically distributes incoming application traffic across multiple targets, such as Amazon EC2 instances, containers, IP addresses, and Lambda functions."
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More on ELB [here](https://aws.amazon.com/elasticloadbalancing)
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</b></details>
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<details>
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<summary>What is auto scaling?</summary><br><b>
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AWS definition: "AWS Auto Scaling monitors your applications and automatically adjusts capacity to maintain steady, predictable performance at the lowest possible cost"
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Read more about auto scaling [here](https://aws.amazon.com/autoscaling)
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</b></details>
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<details>
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<summary>True or False? Auto Scaling is about adding resources (such as instances) and not about removing resource</summary><br><b>
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False. Auto scaling adjusts capacity and this can mean removing some resources based on usage and performances.
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</b></details>
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<details>
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<summary>What types of load balancers are supported in EC2 and what are they used for?</summary><br><b>
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* Application LB - layer 7 traffic
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* Network LB - ultra-high performances or static IP address
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* Classic LB - low costs, good for test or dev environments
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</b></details>
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#### AWS DNS
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<details>
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<summary>What is Route 53?</summary><br><b>
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"Amazon Route 53 is a highly available and scalable cloud Domain Name System (DNS) web service"
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Some of Route 53 features:
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* Register domain
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* DNS service - domain name translations
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* Health checks - verify your app is available
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More on Route 53 [here](https://aws.amazon.com/route53)
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</b></details>
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#### AWS CloudFront
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<details>
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<summary>Explain what is CloudFront</summary><br><b>
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AWS definition: "Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds, all within a developer-friendly environment."
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More on CloudFront [here](https://aws.amazon.com/cloudfront)
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</b></details>
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<details>
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<summary>Explain the following
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* Origin
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* Edge location
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* Distribution</summary><br><b>
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</b></details>
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#### AWS Monitoring & Logging
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<details>
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<summary>What is AWS CloudWatch?</summary><br><b>
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AWS definition: "Amazon CloudWatch is a monitoring and observability service..."
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More on CloudWatch [here](https://aws.amazon.com/cloudwatch)
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</b></details>
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<details>
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<summary>What is AWS CloudTrail?</summary><br><b>
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AWS definition: "AWS CloudTrail is a service that enables governance, compliance, operational auditing, and risk auditing of your AWS account."
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Read more on CloudTrail [here](https://aws.amazon.com/cloudtrail)
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</b></details>
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<details>
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<summary>What is Simply Notification Service?</summary><br><b>
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AWS definition: "a highly available, durable, secure, fully managed pub/sub messaging service that enables you to decouple microservices, distributed systems, and serverless applications."
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Read more about it [here](https://aws.amazon.com/sns)
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</b></details>
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<details>
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<summary>Explain the following in regards to SNS:
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* Topics
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* Subscribers
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* Publishers</summary><br><b>
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* Topics - used for grouping multiple endpoints
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* Subscribers - the endpoints where topics send messages to
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* Publishers - the provider of the message (event, person, ...)
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</b></details>
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#### AWS Security
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<details>
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<summary>What is the shared responsibility model? What AWS is responsible for and what the user is responsible for based on the shared responsibility model?</summary><br><b>
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The shared responsibility model defines what the customer is responsible for and what AWS is responsible for.
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More on the shared responsibility model [here](https://aws.amazon.com/compliance/shared-responsibility-model)
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</b></details>
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<details>
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<summary>What is the AWS compliance program?</summary><br><b>
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</b></details>
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<details>
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<summary>Explain what each of the following services is used for
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* AWS Inspector
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* AWS Artifact
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* AWS GuardDuty
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* AWS Shield</summary><br><b>
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</b></details>
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<details>
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<summary>What is AWS WAF? Give an example of how it can used and describe what resources or services you can use it with</summary><br><b>
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</b></details>
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<details>
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<summary>What AWS VPN is used for?</summary><br><b>
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</b></details>
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<details>
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<summary>What is the difference between Site-to-Site VPN and Client VPN?</summary><br><b>
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</b></details>
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<details>
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<summary>True or False? AWS Inspector can perform both network and host assessments</summary><br><b>
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True
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</b></details>
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<details>
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<summary>What is AWS Key Management Service (KMS)?</summary><br><b>
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AWS definition: "KMS makes it easy for you to create and manage cryptographic keys and control their use across a wide range of AWS services and in your applications."
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More on KMS [here](https://aws.amazon.com/kms)
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</b></details>
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#### AWS Databases
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<details>
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<summary>What is AWS RDS?</summary><br><b>
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</b></details>
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<details>
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<summary>What is AWS DynamoDB?</summary><br><b>
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</b></details>
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<details>
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<summary>What is AWS Redshift and how is it different than RDS?</summary><br><b>
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</b></details>
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<details>
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<summary>What is AWS ElastiCache? For what cases is it used?</summary><br><b>
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Amazon Elasticache is a fully managed Redis or Memcached in-memory data store.
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It's great for use cases like two-tier web applications where the most frequently accesses data is stored in ElastiCache so response time is optimal.
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</b></details>
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<details>
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<summary>What is Amazon Aurora</summary><br><b>
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A MySQL & Postgresql based relational database. Also, the default database proposed for the user when using RDS for creating a database.
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Great for use cases like two-tier web applications that has a MySQL or Postgresql database layer and you need automated backups for your application.
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</b></details>
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### Final Note
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Good luck! You can do it :)
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