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AWS Cloud Practitioner > EC2 Pricing > Flashcards

EC2 Pricing Flashcards

1
Q

A flexible pricing model offering significant savings over On-Demand pricing, in exchange for a commitment to a consistent amount of usage (in $/hour) for a 1 or 3-year term

A

Savings Plan

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2
Q

EC2 Reserved instance commitment term

A

1 or 3-year term

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3
Q

Pricing model ideal for short-term, irregular workloads that cannot be interrupted

A

On-Demand

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4
Q

This pricing allows you to pay for compute capacity by the hour or second with no long-term commitment

A

On-Demand

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5
Q

What are the main pricing models available for Amazon EC2

A

On-Demand
Reserved Instances
Spot Instances
Savings Plans
Dedicated Hosts

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6
Q

How much discount can Reserved Instances offer compared to On-Demand pricing

A

Up to 72% for long-term usage

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7
Q

Which pricing model is best for applications with steady-state usage

A

Reserved Instances or Savings Plans

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8
Q

3 capacity configurations you can set for auto scaling groups

A

Minimum
Desired
Maximum

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9
Q

A serverless compute engine for containers

A

Fargate

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10
Q

A service that lets you run code without needing to provision or manage servers

A

AWS Lambda

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11
Q

A single datacenter or group of datacenters

A

Availability Zone

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12
Q

A way to package your application’s code and dependencies into a single object

A

Containers

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13
Q

AWS regions installed in your own datacenter

A

Outposts

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14
Q

AWS service for serverless computing

A

Lambda

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15
Q

Amazon EC2 instance types

A

General Purpose
Compute Optimized
Memory Optimized
Accelerated Computing
Storage Optimized

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16
Q

Are security groups stateful or stateless

A

Stateful

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17
Q

EC2 instance level security is controlled by this

A

security groups

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18
Q

EC2 instance type for batch processing

A

Compute

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19
Q

EC2 standard reserved instance requirements

A

Instance type and size
Platform description (operating system)
Tenancy

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19
Q

EC2 instance type fully dedicated for your use

A

Dedicated Host

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20
Q

Edge locations can run this DNS service

A

Route 53

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21
Q

Geographically isolated areas

A

Regions

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22
Q

Network ACLS perform stateless or stateful packet filtering

A

stateless

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23
Q

Network ACLs control traffic going into and out of this

A

subnets

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24
Q

Security group default traffic permissions

A

Inbound denied
Outbound allowed

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25
Q

These two services facilitate application integration in a microservices approach

A

Amazon Simple Notification Service (Amazon SNS)
Amazon Simple Queue Service (Amazon SQS)

26
Q

This device will allow public traffic to your VPC

A

Internet Gateway

27
Q

This gateway will only allow traffic in from an approved network

A

Private gateway

28
Q

This is a message queuing service where you can send, store, and receive messages between software components, without losing messages or requiring other services to be available

A

Amazon Simple Queue Service (Amazon SQS)

29
Q

This is a publish/subscribe service

A

Amazon Simple Notification Service (Amazon SNS)

30
Q

This pricing allows you to pay for compute capacity by the hour or second with no long-term commitment

A

On-Demand pricing

31
Q

This service automatically distributes incoming application traffic across multiple resources, such as Amazon EC2 instances

A

Elastic Load Balancing

32
Q

This service lets you to establish a dedicated private connection between your data center and a VPC

A

Direct connect

33
Q

This type of location stores cached copies of your content closer to customers for faster delivery

A

Edge locations

34
Q

Two types of EC2 auto scaling

A

Dynamic
Predictive

35
Q

Two types of EC2 reserved instances

A

Standard Reserved Instances
Convertible Reserved Instances

36
Q

What business factors should be considered when selecting a region

A

Compliance
Proximity
Available services
Pricing

37
Q

What two services does Fargate work with

A

EKS(Amazon Elastic Kubernetes Service)
ECS(Elastic Container Service)

38
Q

This provides temporary block-level storage for an Amazon EC2 instance

A

Instance store

39
Q

If you stop or terminate an EC2 instance with this storage type, the data volume remains available

A

EBS(Elastic Block Store)

40
Q

An EBS snapshot is this type of backup

A

Incremental

41
Q

3 components of object storage

A

Data
Metadata
Key

42
Q

This storage class stores data in a minimum of three Availability Zones and is designed for frequently access data

A

S3 Standard

43
Q

This storage class stores data in a minimum of three Availability Zones and is designed for infrequently accessed data

A

S3 Standard-IA

44
Q

This storage class stores data in a single availability zone and has a lower storage price than Amazon S3 Standard-IA

A

S3 One Zone-IA

45
Q

This storage class stores is ideal for data with unknown or changing access patterns and requires a small monthly monitoring and automation fee per object

A

S3 Intelligent-Tiering

46
Q

This storage class works well for archived data that requires immediate access

A

S3 Glacier Instant Retrieval

47
Q

This storage class is a low-cost storage class that is ideal for data archiving. Retrieval can take from 1 minute to 12 hours.

A

S3 Glacier Flexible Retrieval

48
Q

This storage class is the Lowest-cost object storage class ideal for archiving. Able to retrieve objects within 12 hours.

A

Glacier Deep Archive

49
Q

This storage class delivers object storage to your on-premises AWS environment

A

S3 Outposts

50
Q

This file storage service can have multiple instances reading and writing simultaneously

A

Elastic File System(EFS)

51
Q

Relational databases use this language?

A

Structured Query Language(SQL)

52
Q

RDS database engines

A

Amazon Aurora
PostgreSQL
MySQL
MariaDB
Oracle Database
Microsoft SQL Server

53
Q

Amazon aurora is compatible with these two databases

A

MySQL
PostgreSQL

54
Q

If your database requires high availability choose this database

A

Aurora

55
Q

Key value pairs are used in this type of database

A

Nonrelational

56
Q

This database is serverless

A

dynamoDB

57
Q

This is a data warehousing service that can be used for analytics

A

Redshift

58
Q

This enables you to migrate relational databases, nonrelational databases, and other types of data stores.

A

AWS Database Migration Service

59
Q

This a document database service that supports MongoDB workloads.

A

Amazon DocumentDB

60
Q

This a graph database service.

A

Amazon Neptune

61
Q

This a ledger database service.

A

Amazon Quantum Ledger Database (Amazon QLDB)

62
Q

This a service that adds caching layers on top of your databases to help improve the read times of common requests.

A

Amazon ElastiCache

63
Q

This an in-memory cache for DynamoDB.

A

Amazon DynamoDB Accelerator (DAX)

AWS Cloud Practitioner (5 decks)

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