MUST KNOWS Flashcards
AWS SYS OPS EXAM TYPE QUESTIONS
Your company has setup a dual tunnel VPN connection from their on-premise data center to AWS. They now need to setup a redundant connection. Which of the following can be done to have this in place?
ADD A SECONDARY VPN
KEYWORDS: REDUNDANT CONNECTION, ON-PREMISE DATA CENTER TO AWS, DUAL TUNNEL VPN
WHICH STEPS ARE NEEDED TO HOST AN EMAIL SERVER ON AN EC2 INSTANCE
1) ASSIGN AN ELASTIC IP
2) CREATE AN ‘A’ RECORD FOR EC2 INSTANCE IN ROUTE53
CAN YOU MODIFY A LAUNCH CONFIGURATION AFTER YOUVE CREATED IT ?
NO. Therefore, if you want to change the launch configuration for an Auto Scaling group, you must create a launch configuration and then update your Auto Scaling group with the new launch configuration.
YOU CAN ASSIGN YOUR OWN DOMAIN NAME TO YOUR INSTANCES (HAVE INSTANCES IN A VPC USE THE ON-PREMISE DNS SERVER FOR RESOLVING DNS NAMES)
DHCP OPTIONS
Your company is going through an audit which also includes the audit of the AWS resources. They are requesting for the compliance of AWS resources to various compliance standards. How could you go about working towards providing these compliance details?
GO TO THE COMPLIANCE PORTION OF THE AWS WEBSITE
RDS AND REDSHIFT HAVE
AUTOMATED BACKUPS
______ ARE USEFUL IF YOU WANT YOUR USER/CUSTOMER TO BE ABLE TO UPLOAD A SPECIFIC OBJECT TO YOUR BUCKET, BUT YOU DON’T REQUIRE THEM TO HAVE AWS SECURITY CREDENTIALS OR PERMISSIONS
PRE-SIGNED URL (S3 )
IN ORDER FOR INTERNET-FACING ELB TO RESPOND TO QUERIES:
IT NEEDS TO BE IN A PUBLIC SUBNET
THE SECURITY GROUP MUST ALLOW INBOUND TRAFFIC
f you are experiencing evictions with your cluster, it is usually a sign that you need to :
SCALE UP: INCREASE NODE SIZE
SCALE OUT: ADD AN ADDITIONAL NODE TO CLUSTER
DATA STORE THAT IS
- ABLE TO PROCESS MULTIPLE SCHEMA CHANGES
- DURABLE DATABSE
- CHANGES TO DB DO NOT RESULT IN DOWNTIME
AURORA
COSTING ASPECTS FOR DB IN AWS RDS:
- INSTANCE TYPE
- STORAGE ALLOCATED
- NUMBER OF HOURS THE DB IS RUNNING
