Topic 10 EC2B3 Flashcards
What does EC2 stand for?
Elastic Compute Cloud
EC2 is a web service that provides resizable compute capacity in the cloud.
What is the primary purpose of EC2?
To provide scalable computing capacity in the cloud.
What are Amazon Machine Images (AMIs)?
Preconfigured templates for launching EC2 instances.
What is an EC2 instance?
A virtual server in Amazon’s Elastic Compute Cloud.
Fill in the blank: EC2 instances can be launched in different _______.
[regions]
What types of instances does EC2 offer?
General purpose, compute optimized, memory optimized, storage optimized, and GPU instances.
True or False: EC2 instances can only run Linux operating systems.
False
What is the purpose of Elastic Load Balancing in relation to EC2?
To automatically distribute incoming application traffic across multiple EC2 instances.
What is the significance of Security Groups in EC2?
They act as virtual firewalls to control inbound and outbound traffic to instances.
What does ‘scalability’ refer to in the context of EC2?
The ability to increase or decrease resources as needed.
What pricing models does EC2 offer?
On-Demand, Reserved, and Spot Instances.
Fill in the blank: EC2 allows users to launch instances in a _______.
[VPC] (Virtual Private Cloud)
What is the function of Elastic IP addresses in EC2?
Static IP addresses designed for dynamic cloud computing.
What does the term ‘instance type’ refer to in EC2?
The specific configuration of CPU, memory, storage, and networking capacity.
True or False: EC2 instances can be stopped and restarted without losing data.
True
What is an EC2 Spot Instance?
An instance that allows users to bid on unused EC2 capacity.
What is the purpose of monitoring in EC2?
To track the performance and availability of instances.
Fill in the blank: EC2 provides integration with _______ for monitoring and management.
[CloudWatch]
What is the role of Auto Scaling in EC2?
To automatically adjust the number of EC2 instances in response to demand.
What type of storage does EC2 provide?
Amazon Elastic Block Store (EBS) and instance store.
What does EBS stand for?
Elastic Block Store
EBS provides block-level storage for use with EC2 instances.
What is the difference between EBS and instance store?
EBS is persistent storage; instance store is ephemeral.
