Which statement best describes how vpc routers and firewalls work?

  1. Google Cloud Platform Fundamentals: Core Infrastructure
  2. How Amazon VPC works
  3. VPC firewall rules  
  4. What’s AWS VPC? Amazon Virtual Private Cloud Explained – BMC Software
  5. Configure route tables


Download: Which statement best describes how vpc routers and firewalls work?
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Google Cloud Platform Fundamentals: Core Infrastructure

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How Amazon VPC works

With Amazon Virtual Private Cloud (Amazon VPC), you can launch AWS resources in a logically isolated virtual network that you've defined. This virtual network closely resembles a traditional network that you'd operate in your own data center, with the benefits of using the scalable infrastructure of AWS. The following is a visual representation of a VPC and its resources from the Preview pane shown when you create a VPC using the AWS Management Console. For an existing VPC, you can access this visualization on the Resource map tab. This example shows the resources that are initially selected on the Create VPC page when you choose the create the VPC and other networking resources. This VPC is configured with subnets in two Availability Zones, three route tables, an internet gateway, and a gateway endpoint. Because we've selected the internet gateway, the visualization indicates that traffic from the public subnets is routed to the internet because the corresponding route table sends the traffic to the internet gateway. Concepts • • • • • • • VPCs and subnets A virtual private cloud (VPC) is a virtual network dedicated to your AWS account. It is logically isolated from other virtual networks in the AWS Cloud. You can specify an IP address range for the VPC, add subnets, add gateways, and associate security groups. A subnet is a range of IP addresses in your VPC. You launch AWS resources, such as Amazon EC2 instances, into your subnets. You can connect a subnet to the interne...

VPC firewall rules  

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What’s AWS VPC? Amazon Virtual Private Cloud Explained – BMC Software

Amazon’s Virtual Private Cloud (VPC) is a foundational AWS service in both the Compute and Network AWS categories. Being foundational means that other AWS services, such as Elastic Compute Cloud (EC2), cannot be accessed without an underlying VPC network. Creating a VPC is critical to running in the AWS cloud. Let’s take a look at: • • • • • (This tutorial is part of our AWS Guide . Use the right-hand menu to navigate.) How VPCs work: virtual networking environments Each VPC creates an isolated virtual network environment in the AWS cloud, dedicated to your AWS account. Other AWS resources and services operate inside of VPC networks to provide cloud services. AWS VPC will look familiar to anyone used to running a Using VPC, you can quickly spin up a virtual network infrastructure that AWS instances can be launched into. Each VPC defines what your AWS resources need, including: • IP addresses • Subnets • Routing • Security • Networking functionality Where VPCs live All VPCs are created and exist in one—and only one—AWS region. The advantage of regionalization is that a regional VPC provides network services originating from that geographical area. If you need to provide closer access for customers in another region, you can set up another VPC in that region. This aligns nicely with the theory of AWS cloud computing where IT applications and resources are delivered through the internet on-demand and with pay-as-you-go pricing. Limiting VPC configurations to specific regions ...

Configure route tables

• Main route table—The route table that automatically comes with your VPC. It controls the routing for all subnets that are not explicitly associated with any other route table. • Custom route table—A route table that you create for your VPC. • Destination—The range of IP addresses where you want traffic to go (destination CIDR). For example, an external corporate network with the CIDR 172.16.0.0/12. • Target—The gateway, network interface, or connection through which to send the destination traffic; for example, an internet gateway. • Route table association—The association between a route table and a subnet, internet gateway, or virtual private gateway. • Subnet route table—A route table that's associated with a subnet. • Local route—A default route for communication within the VPC. • Propagation—If you've attached a virtual private gateway to your VPC and enable route propagation, we automatically add routes for your VPN connection to your subnet route tables. This means that you don't need to manually add or remove VPN routes. For more information, see Site-to-Site VPN User Guide. • Gateway route table—A route table that's associated with an internet gateway or virtual private gateway. • Edge association—A route table that you use to route inbound VPC traffic to an appliance. You associate a route table with the internet gateway or virtual private gateway, and specify the network interface of your appliance as the target for VPC traffic. • Transit gateway route table—A...