AWS EC2 purchase type

Which EC2 Purchasing Option can provide the biggest discount, but is not suitable for critical jobs or databases?

• On-Demand Instances
• Reserved Instances
• Dedicated Hosts
• Spot Instances

Which network security tool can you use to control traffic in and out of EC2 Instances?

• Network ACL
• Security Group
• Access Control List
• Firewall Group

Under the Shared Responsibility Model, who is responsible for operating-system patches and updates on EC2 Instances?

• Third-party vendors
• Customers
• AWS
• Internet Service Providers

How long can you reserve an EC2 Reserved Instance?

• 6 months or 2 years
• 4 years or 5 years
• 1 month or 6 months
• 1 year or 3 years

A company would like to deploy a high-performance computing (HPC) application on EC2. Which EC2 instance type should it choose?

• Compute Optimized instances, such as the C5 instances
• General Purpose instances, such as the M5 instances
• Storage Optimized instances, such as the I3 instances
• Memory Optimized instances, such as the R5 instances

Which of the following is NOT an EC2 Instance Purchasing Option?

• Spot instance

• Saving plan

• On-Demand

• yearly saving plan

EC2 Purchasing Option should you use for an application you plan on running on a server continuously for 1 year?

• Reserved Instances
• On-Demand Instances
• Dedicated Hosts
• Spot Instances

What is the purpose of a Security Group in EC2?

• To manage access control at the subnet level

• To define firewall rules for inbound and outbound traffic

• To allocate dedicated physical servers to instances

• To optimize instance performance based on workload