Certified Solutions Architect Flashcards
What size can S3 Objects be?
0 bytes to 5 terabytes
Can S3 Versioning be disabled?
Versioning cannot be disabled, only suspended
What is S3 SLA?
99.99 Availability, 11 9s Durability
What is the use case for a ‘file’ storage gateway?
Flat files stored directly on S3
What is the use case for a ‘stored volume’ storage gateway?
Entire dataset stored on site and asynchronously backed up to S3
What is the use case for a ‘cached volume’ storage gateway?
Entire dataset stored on S3 and most frequently accessed data cached on site
What is the use case for a storage gateway virtual tape library?
Storage gateway used for backups
How can you increase the S3 upload speed?
Enable multipart upload
What is the consistency?
Read after write for puts, Eventual for overwrite puts and deletes
D Type EC2 Instance
Density
R Type EC2 Instance
Ram Optimized
M Type EC2 Instance
General Purpose
C Type EC2 Instance
Compute Optimized
G Type EC2 Instance
Graphics Optimized
I Type EC2 Instance
IOPS Optimized
F Type EC2 Instance
Field Programmable Gate Array
T Type EC2 Instance
General Purpose - Burstable
P Type EC2 Instance
Pictures Optimized, Machine Learning/Bitcoin mining
X Type EC2 Instance
Extreme Graphics
What is a placement group?
10 GBPS low latency single AZ cluster
Can a role be assigned to an EC2 once created?
Yes, but only via command line