Route 53 Flashcards
What is Route 53?
A Domain Name service integreated with AWS
What are the main functions of Route 53?
“Register domain names
route internet traffic to the resources for your domain
check the health of your resources”
What type of record do you need to route traffic to an AWS service?
“A - IPv4 Address with Alias = Yes
*an alias is a special type of record that lets you map your zone apex(example.com) to your AWS resource (example.elasticbeanstalk.com)”
What resources can Route 53 direct to within AWS?
"CloudFront EC2s Elastic Beanstalk Load Balancing RDS WorkMail"
What monitoring services can you use with Route 53?
“CloudTrail
CloudWatch
Route 53 Dashboard
Tag Editor?”
What type of record do you need to route traffic to an open connection?
“CNAME - connonical name
Alias - No”
What is an Alias typically used for?
To aid in the process of converting one IP address to another
What is a CNAME typically used for?
To point to another name often in a more understandable format
What are the routing policies available?
"Simple routing policy Failover routing policy Geolocation routing policy Geoproximity routing policy Latency routing policy Multivalue answer routing policy Weighted routing policy"
What can be monitored by Route 53 health checks?
“Endpoints
Other health checks
CloudWatch Alarms”
Alias vs CName routing
“Alias routing is a route 53 specific extension to connect AWS services to each other
CName costs to do the same tasks as Alias routing”
Before hosting a static website on an S3 with a unique domain name you should…
Check to see if the S3 bucket name is available before purchasing the domain name
What is an AName?
“pointing sub-domains to IP addresses
not used very often because developers have relinquished a lot of server management responsibilities to convenient services and no longer may always know the IP addresses needed”
How do you route traffic randomly to multiple resources?
“create a multivalue answer record for each resource and optionally associate a Route53 health check to each record
up to 80 healthy records selected at random”
