Term
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Definition
| Enables developers to create, publish, maintain, monitor, and secure APIs at any scale |
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Term
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Definition
| A web service that speeds up distribution of your static and dynamic web content to your users. A Content Delivery Network (CDN) service; uses edge locations (edge location = a data center nearest the user requesting content) |
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Term
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Definition
Domain Name Service (DNS) that translates domain names into machine readable IP addresses (i.e., amazon.com to IP address 12.378.348).
- Routes traffic to the best location (like calling someone on the best phone based on where they’re located – office vs home)
- Performs health checks on the resources (like is the phone number working?) |
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Term
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Definition
Create a virtual network in the cloud dedicated to your AWS account where you can launch AWS resources
Amazon VPC is the networking layer of Amazon EC2
A VPC spans all the Availability Zones in the region. After creating a VPC, you can add one or more subnets in each Availability Zone. |
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Term
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Definition
| further segment a VPC; they can be private or public |
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Term
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Definition
| applied at the INSTANCE level for inbound and outbound traffic. - They are stateful, meaning, traffic is allowed in both directions – outbound traffic will allow the data to return |
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Term
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Definition
| control traffic moving in and out of the VPC at the SUBNET level; they protect the subnet inside of the VPC. (instances are inside of the subnets. Subnets are inside of the VPC). |
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Term
| Are NACLs stateful and stateless and what does that mean? |
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Definition
| They are stateless, which means they don’t remember previous interactions and so inbound and outbound rules must be set |
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Term
| what is the default setting of new NACLs? |
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Definition
| inbound and outbound traffic is allowed when a new NACL is created by the default setting. It allows all traffic to and from the subnet. |
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Term
| AWS Elastic Load Balancing |
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Definition
| Distributes incoming application or network traffic across multiple targets such as EC2 instances, Lambda, and containers. |
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Term
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Definition
| Service that helps deliver content by finding the most optimal path to an endpoint using edge locations, so that your applications have improved availability and performance to users locally and globally |
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Term
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Definition
| 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. Connects other VPCs to other networks also tied to the Transit Gateway |
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Term
| What do load balancers do? |
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Definition
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Term
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Definition
| best used for traffic on layer 4 and 7 |
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Term
| Application Load Balancer |
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Definition
| Flexible app management used at layer 7 |
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Term
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Definition
| Used for network logging and monitoring on layer 3 as a gateway and layer 4 as a load balancer |
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Term
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Definition
| offer extreme performance and static IP addresses at layer 4 |
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