A company hosts a metadata API on Amazon EC2 instances behind an internet-facing Application Load Balancer (ALB). Only internal applications that run on EC2 instances in separate AWS accounts need to access the metadata API. All the internal EC2 instances use NAT gateways. A new policy requires that traffic between internal applications must not travel across the public internet. Which solution will meet this requirement?
An EC2-based ticketing service pulls a frequently updated pricing file (stored in S3) on startup. Sometimes EC2s have stale pricing, causing charge issues.
Mountpoint for Amazon S3allows EC2 instances to directly access files in S3 as aPOSIX-compliant mount point, ensuring they always get the latest data without copying or syncing.
It's simple and cost-effective for read-heavy patterns.
Mountpoint for Amazon S3
A company is running a web application in a VPC. The web application runs on a group of Amazon EC2 instances behind an Application Load Balancer (ALB). The ALB is using AWS WAF.
An external customer needs to connect to the web application. The company must provide IP addresses to all external customers.
Which solution will meet these requirements with the LEAST operational overhead?
https://docs.aws.amazon.com/global-accelerator/latest/dg/about-accelerators.alb-accelerator.html Option A is wrong. AWS WAF does not support associating with NLB. https://docs.aws.amazon.com/waf/latest/developerguide/waf-chapter.html Option B is wrong. An ALB does not support an Elastic IP address.https://aws.amazon.com/elasticloadbalancing/features/
A company uses AWS CloudFormation to deploy applications within multiple VPCs that are all attached to a transit gateway Each VPC that sends traffic to the public internet must send the traffic through a shared services VPC Each subnet within a VPC uses the default VPC route table and the traffic is routed to the transit gateway The transit gateway uses its default route table for any VPC attachment
A security audit reveals that an Amazon EC2 instance that is deployed within a VPC can communicate with an EC2 instance that is deployed in any of the company's other VPCs A solutions architect needs to limit the traffic between the VPCs. Each VPC must be able to communicate only with a predefined, limited set of authorized VPCs.
What should the solutions architect do to meet these requirements'?
You can segment your network by creating multiple route tables in an AWS Transit Gateway and associate Amazon VPCs and VPNs to them. This will allow you to create isolated networks inside an AWS Transit Gateway similar to virtual routing and forwarding (VRFs) in traditional networks. The AWS Transit Gateway will have a default route table. The use of multiple route tables is optional.
A company uses AWS Organizations. The company creates a central VPC in an AWS account that is designated for networking in a single AWS Region. The central VPC has an AWS Site-to-Site VPN connection to the company's on-premises network. A solutions architect must create another AWS account that uses the same networking resources that the central VPC uses.
Which solution meets these requirements MOST cost-effectively?
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