AWS Quest 3 Test Flashcards
Which of the following is not an RDS database offered?
MongoDB
Which kind of database should be used to store unstructured data as key value pairs?
DynamoDB
True or False: You have just as much control over an RDS instance as you have with an EC2 instance
false
You are billed for RDS snapshots:
Incrementally, just like EBS snapshots
How many copies of data does Aurora maintain to maximize availability and durability?
2 data copies across 3 availability zones = 6 copies
What is the difference between Redshift and Elastic Map Reduce? (choose 2)
- Redshift is intended for data warehousing and running complex SQL requests
- EMR is intended for on demand big data processing workloads (YES)
True or False: Redshift leader nodes coordinate parallel execution of plans with compute nodes and aggregate the results into a response
true
Aurora is compatible with: (choose 2)
- MySQL
2. PostgreSQL
Which caching engine best supports more advanced data structures and a more rich feature set?
Redis
Which of the following is an example of a 2nd level domain?
the “skillstorm” in www.skillstorm.com
Which of the following would you use to direct traffic from a top level domain to a load balancer?
An ALIAS record
Which routing policy should be used to route traffic based on the location of users and the location of the resources themselves?
Geoproximity Routing
Which of the following routing policies will send traffic to a list of endpoints randomly, acting as an inexpensive load balancer?
Simple Routing
If a business was using AWS for their videogame, and needed to direct traffic to servers that would provide the best user experience, which routing policy should be used?
Latency Routing
What is the purpose of a root name server in the DNS process?
To find and direct traffic to the name server for the top level domain
Which of the following routing policies should you use if you needed to route traffic to different endpoints in predefined proportions?
Weighted Routing
True or False: Load balancers automatically get assigned a public IP address
false
Which of the following load balancers operates at layer 7?
An application load balancer
Which of the following load balancers can operate at layers 4 and 7?
An application load balancer
True or False: New AWS accounts are able to launch EC2 classic instances
false
If your load balancer responds with a 504 error, what does this mean?
The server behind the load balancer is likely having an issue
If an EC2 instance needed to check the IP addresses of users that send requests that are routed through a load balancer, how would they be able to do it?
Check the request’s x-forwarded-for header
Choose the most appropriate auto scaling option for the following scenario:
A retail business has an auto scaling group supporting their website. They typically receive consistent traffic until they decide to launch sales. When they do, they see a large increase of traffic to their website.
Manual scaling
