Exploring AWS Global Infrastructure

What is the primary benefit of using EC2 Spot Instances?

• Enhanced security features.

• Cost savings on compute resources.

• Faster instance launch times.

• Increased availability of instances.

How do Reserved Instances differ from On-Demand Instances in AWS EC2?

• Reserved Instances are more flexible than On-Demand Instances.

• Reserved Instances are only available for short-term use.

• Reserved Instances are cost-effective with long-term commitments, while On-Demand Instances offer flexibility with pay-as-you-go pricing.

• On-Demand Instances require a long-term commitment.

What is an AMI in the context of AWS EC2?

• A type of storage service in AWS

• A monitoring tool for AWS services

• An AMI is a pre-configured template for launching EC2 instances in AWS.

• A method for securing EC2 instances

Name two types of load balancers available in AWS.

• Database Load Balancer

• CloudFront Load Balancer

• Static Load Balancer

• Application Load Balancer, Network Load Balancer

What is the purpose of AWS Lambda?

• To provide a graphical user interface for web applications.

• The purpose of AWS Lambda is to execute code in response to events without the need for server management.

• To store large amounts of data in the cloud.

• To manage server infrastructure for applications.

How does AWS Fargate simplify container management?

• AWS Fargate only supports Windows containers.

• AWS Fargate is limited to a single container deployment.

• AWS Fargate requires users to manage their own servers.

• AWS Fargate eliminates server management, allowing users to focus on application deployment.

What is the function of a VPC in AWS?

• To provide a global content delivery network for AWS resources.

• To manage user access and permissions for AWS accounts.

• The function of a VPC in AWS is to provide a logically isolated network environment for deploying AWS resources.

• To serve as a backup solution for AWS data storage.

How do subnets enhance security in a VPC?

• Subnets are used to connect to external networks only.

• Subnets eliminate the need for firewalls in a VPC.

• Subnets isolate resources and enable tailored security controls.

• Subnets increase the number of available IP addresses.

What is the role of a security group in AWS?

• To monitor network performance and latency.

• The role of a security group in AWS is to control inbound and outbound traffic to AWS resources.

• To provide encryption for data at rest.

• To manage user permissions for AWS accounts.

What is the difference between a security group and a NACL?

• A security group can only be applied to a single instance, whereas a NACL can be applied to multiple instances.

• A security group is stateless and operates at the subnet level, while a NACL is stateful and operates at the instance level.

• A security group is stateful and operates at the instance level, while a NACL is stateless and operates at the subnet level.

• A security group is used for inbound traffic only, while a NACL is used for both inbound and outbound traffic.