Amazon Web Services (AWS) Linkedin Answer
Q1. You have an application using a 100 GB MySQL database that you are migrating into AWS. What should you…
What does the statement body of this S3 bucket policy do?
{ "Sid": "bucketpolicy1", "Effect": "Allow", "Principal": "*", "Action": "s3:GetObject", "Resource": "arn:aws:s3:::userreports/*", "Condition": { "IpAddress": {"aws:SourceIp": "68.249.108.0/24"}, "NotIpAddress": {"aws:SourceIp": "68.249.108.128/32"} }…
You created a new Linux EC2 instance and installed PostgreSQL but you are not able to establish a connection to the server from your local computer. What steps do you take to resolve this issue?
Create a security group rule that allows all traffic from 0.0.0.0/0. This will verify whether or not another rule is…
What is the best practice for creating a highly available PostgreSQL database in RDS that can sustain the loss of a single AWS region?
PostgreSQL cannot be replicated across regions. Restore the database backups from an S3 bucket and repoint your database connections to…
You have several on-premise servers and would like to store your offsite backups on AWS. What fully managed backup service can you use to ship your backups to AWS?
Windows Server 2016 supports S3 as a target when using storage replicas. Use Storage Gateway. Sync files directly to S3…
You have a Linux EC2 web server that suddenly is timing out on all HTTP requests and your SSH connection attempts are timing out. You notice that it is failing the system status check in the EC2 console. What action should you take?
Restore the instance from the last AMI image. System status checks indicate that the filesystem on the instance is corrupted.…
. You have four front-end web servers behind a load balancer, which use NFS to access another EC2 instance that resizes and stores images for the front-end application. What security group policies should be assigned to these servers?
Assign Elastic IPs to all of the instances and create a group that allows all traffic to pass between each…
You are hosting an application configured to stream media to its clients on TCP ports 3380-3384, 3386-3388, and 3390. The Inbound tab below shows three incoming security group policies attached to this instance. Which policy should you use?
The rule that exposes TCP ports 3380-3390 would also publicly expose port 3389 (RDP) to the entire internet. Write separate…
You created a Windows EC2 instance with a public IP address and installed SQL Server. When attempting to connect to SQL Server from SQL Server Enterprise Manager on your local computer, the Windows EC2 instance is unable to establish a connection to the server. What is the first thing you should check?
Check the routing tables for the VPC. Verify that the assigned security groups allow TCP port 1433 traffic from your…
A principle of DevOps is to view infrastructure as code. Which AWS service allows you to script your AWS infrastructure?
CloudTrail CloudFormation AWS Config AWS Service Catalog