Jeff is building a web application on AWS. He wants to make sure his application is highly available to his customers. What infrastructure components of the AWS cloud allow Jeff to accomplish this goal? (Select all that apply)
Choose the 2 Correct answers:
Correct Answer:AC
As part of AWS' global infrastructure, Regions and Availability Zones allow for backups and duplicate components to be placed in seperate (isolated) areas of the globe. If one region/Availability Zone
were to fail, duplicates in other regions/Availability Zones can be used.
What services has built-in DDoS mitigation and/or protection?
Choose the Correct Answer
Correct Answer:D
AWS services with built-in DDoS migigation/protection include: 1) Route 53 2) CloudFront 3) WAF (web application firewall) 4) Elastic Load Balancing 5) VPCs and Security Groups
What are two open source in-memory engines supported by ElastiCache? Choose the 2 Correct answers:
Correct Answer:AD
S3 storage classes are rated by what two metric categories? (Select two) Choose the 2 Correct answers:
Correct Answer:BC
Each S3 storage class is rated on its availability and durability.
What best describes a simplified definition of the "cloud"?
Choose the Correct Answer
Correct Answer:B
The simplest definition of the cloud is a computer that is located somewhere else that you are
utilizing in some capacity. AWS is a cloud services provider, as the provide access to computers they own (located at AWS data centers), that you use for various purposes.