Which EC2 Purchasing Option can provide the biggest discount, but is not suitable for critical jobs or databases?
Spot Instances
Spot Instances are good for short workloads, but are less reliable.
Which network security tool can you use to control traffic in and out of EC2 Instances?
Security Groups
Security Groups operate at instance level and can control traffic.
Under the Shared Responsibility Model, who is responsible for operating-system patches and updates on EC2 Instances?
The customer
The customer is responsible for operating-system patches and updates on EC2 Instances, as well as data security on the instances, Security Groups rules, etc.
How long can you reserve an EC2 Reserved Instance?
1 or 3 years
1 year or 3 years terms are available for EC2 Reserved Instances.
A company would like to deploy a high-performance computing (HPC) application on EC2. Which EC2 instance type should it choose?
Compute Optimized
Compute Optimized EC2 instances are great for compute-intensive workloads requiring high performance processors, such as batch processing, media transcoding, high performance web servers, high performance computing, scientific modeling & machine learning, and dedicated gaming servers.
Which of the following is NOT an EC2 Instance Purchasing Option?
Connect Instances
This EC2 Instance purchasing option does not exist.
Which EC2 Purchasing Option should you use for an application you plan on running on a server continuously for 1 year?
Reserved Instances
Reserved Instances are good for long workloads. You can reserve instances for 1 or 3 years.