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AWS CLOUD PRACTICIONER > Mod 2 > Flashcards

Mod 2 Flashcards

1
Q

Amazon Elastic Compute Cloud (EC2)

A

Provides secure, resizable compute capacity in the cloud as Amazon EC2 instances.

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2
Q

Amazon EC2 instance types

A
  1. General purpose instances
  2. Compute optimized instances
  3. Memory optimized instances
  4. Accelerated computing instances
  5. Storage optimized instances
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3
Q

CaaS

A

Compute as a service

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4
Q

What Amazon EC2 instance type is suitable for data warehousing applications?

A

Storage optimized

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5
Q

Which Amazon EC2 instance type balances compute, memory, and networking resources?

A

General purpose

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6
Q

Which Amazon EC2 instance type is ideal for high-performance databases?

A

Memory optimized

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7
Q

Which Amazon EC2 instance type offers high-performance processors?

A

Compute optimized

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8
Q

General purpose instances

A

Provide a balance of compute, memory, and networking resources.

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9
Q

Compute Optimized Instances

A

Are ideal for high-performance web servers, computer-intensive app servers, and dedicated gaming servers. Also used for batch processing workloads that require processing many transactions in a single group.

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10
Q

Memory optimized instances

A

Are designed to deliver fast performance for workloads that process large datasets in memory.

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11
Q

Accelerated computing instances

A

Use hardware accelerators, or coprocessors, to perform some functions more efficiently than is possible in software running on CPU’S.

Accelerated computing instances are ideal for workloads such as graphics applications, game streaming, and app streaming.

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12
Q

Storage optimized instances

A

Are designed for workloads that require high, sequential read write access to large datasets on local storage.

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13
Q

What are the Amazon EC2 pricing options?

A
  1. On-Demand

2.Reserved Instances

  1. EC2 instance Savings Plan
  2. Spot Instances
  3. Dedicated Hosts
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14
Q

On-Demand Instances

A

Are ideal for short term, irregular workloads that cannot be interrupted.

The instances run continuously until you stop them, and you only pay for the compute time you use.

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15
Q

Reserved Instances

A

A billing discount applied to On-Demand Instances in your account.

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16
Q

What are the two types of Reserved Instances?

A
  1. Standard Reserved Instances
  2. Convertible Reserved Instances
17
Q

Which Amazon EC2 pricing option provides a discount when you make an hourly spend commitment to an instance family and Region for a 1 year or 3 year term?

A

EC2 Instance Savings Plans

18
Q

(Reserved Instance) Standard Reserve Instances

A

A good fit if you know the EC2 instance type and size you need for your steady state apps and in which AWS Region you plan to run them.

Reserved Instances require you to state the following qualifications

  • Instance type and size

-Platform description (operating system)

-Tenancy

19
Q

(Reserved Instance) Convertible Reserved Instances

A

If you need to run EC2 instances in different AV’s or different instance types.

You trade in a deeper discount when you require flexibility to run your EC2 instances.

At the end of a Reserved Instance term, you can continue using the Amazon EC2 instance w/o interruption. However, you are charged On-Demand rates until you do one of the following:

  • Terminate the instance
  • Purchase a new Reserved Instance that matches the instance attributes (instance family and size, Region, platform, and tenancy).
20
Q

EC2 Instance Savings Plan

A

Reduce your EC2 costs when you make an hourly spend commitment to an instance family and Region for a 1year or 3year term.

A good option if you need flexibility in EC2 usage over the duration of the commitment term.

21
Q

Spot Instances

A

Ideal for workloads with flexible start and end times, or that can withstand interruptions. Spot Instances use unused EC2 computing capacity.

After a Spot Instance is launched, if capacity is no longer available or demand for Spot Instances increases, your instance may be interrupted.

22
Q

Dedicated Host

A

Are physical servers with EC2 instance capacity that is fully dedicated to your use.

23
Q

Which EC2 pricing option provides a discount when you specify a number of EC2 instances to run a specific OS, instance family and size, and tenancy in one region?

A

Standard Reserve Instances

24
Q

Which EC2 pricing option provides a discount when you make an hourly spend commitment to an instance family and Region for a 1year or 3year term?

A

EC2 Instance Savings Plan

25
Q

Elastic Load Balancing

A

The AWS service that automatically distributes incoming app traffic across multiple resources, such as EC2 instances.

26
Q

Amazon Simple Notification Service (Amazon SNS)

A

A publish/subscribe service. Using Amazon SNS topics, a publisher publishes messages to subscribers.

Subscribers can be web servers, email addresses, AWS Lambda function, or several other options.

27
Q

Amazon Simple Queue Service (Amazon SQS)

A

Is a messaging queue service.

You can send, store, and receive messages between software components, w/o losing messages or requiring other services to be available.

28
Q

AWS Lambda

A

A service that lets you run code w/o needing to provision or manage servers.

29
Q

Serverless Computing

A

You run code on servers, but you do not need to provision or manage these servers.

30
Q

Containers

A

Provide you with a way to package your apps code and dependencies into a single object

31
Q

Amazon Elastic Container System (Amazon EKS)

A

Is a highly-scalable, high-performance container management system that enables you to run and scale containerized apps on AWS.

32
Q

Docker

A

Is a software platform that enables you to build, test, and deploy apps quickly.

With Amazon ECS, you can use API calls to launch and stop Docker-enabled apps.

33
Q

AmazonElastic Kubernetes Service (Amazon EKS)

A

Is a fully managed service that you can to run Kubernetes on AWS

34
Q

Kubernetes

A

Is open-source software that enables you to deploy and manage containerized apps at scale.

35
Q

AWS Fargate

A

Is a serverless compute engine for containers. It works with both Amazon ECS and Amazon EKS.

AWS CLOUD PRACTICIONER (2 decks)

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