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AWS Cloud Prac > Cloud Computing > Flashcards

Cloud Computing Flashcards

1
Q

What is cloud computing?

A

Cloud Computing is the on-demand delivery of compute, database, storage, application, and other IT resources.

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2
Q

Name the 5 pillars of a Well-Architected Framework

A
  1. Cost Optimization
  2. Reliability
  3. Operational Excellence
  4. Performance Efficiency
  5. Security
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3
Q

Define a Well-Architected Framework

A

This framework helps Cloud Architects build secure, fault-resilient, efficient, high-performing IT infrastructure

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4
Q

What are the 6 major advantages of cloud computing?

A
  1. Trade capital expense for variable expense
  2. Benefit from massive economics of scale
  3. Stop guessing about capacity
  4. Increase speed & agility
  5. Stop spending money running & maintaining datacentres
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5
Q

Name 3 types of Cloud Computing;

“___ as a Service”

A
  1. Software as a service (SaaS) - Completed product ran & managed by a service provider (GMail)
  2. Infrastructure as a Service (IaaS) - Building blocks for cloud IT (Physical server)
  3. Platform as a Service (PaaS) - Deploy & manage apps without worrying about hardware infrastructure (Godaddy, Shopify)
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6
Q

Name 3 Types of Cloud Computing Deployments

A
  1. Cloud - Fully deployed on the Cloud
  2. Hybrid - Mix of cloud & on-prem
  3. On-Premises - Own data centre
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7
Q

Virtual Network

A

VPC

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8
Q

Virtual server

A

EC2 - Elastic Cloud Computing

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9
Q

Balance incoming traffic loads

A

Elastic Load Balance (ELB)

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10
Q

Object storage

A

S3 - Simple Storage Solution

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11
Q

Speedy websites - uses Edge Locations

A

CloudFront

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12
Q

Templates to form cloud services

A

CloudFormation

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13
Q

Track trails of action/audit logs

A

CloudTrail

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14
Q

Watch/Monitor AWS

A

CloudWatch

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15
Q

Route domains to services/IPs

A

Route 53

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16
Q

Block storage/ Virtual drive

A

Elastic Block Store

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17
Q

Relational Database (Aurora, Redshift)

A

RDS = Relational Database Service

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18
Q

Non-relational DB (No SQL)

A

DynamoDB

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19
Q

Business Intelligence (RDS)

A

Redshift

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20
Q

Serverless code

A

Lambda

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21
Q

Provide access

A

IAM - Identity & Access Management

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22
Q

Web App Firewall

A

WAF

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23
Q

DDoS Protection

A

Shield

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24
Q

Automated security assessment for EC2

A

Inspector

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25
Q

Optimize infrastructure (performance, cost optimization, fault tolerance)

A

Trusted Advisor

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26
Q

Billing BDBE - TAM

A
  • Basic (Free)
  • Developer ($29 per month)
  • Business ($100 per month)
  • Enterprize ($15 000 per month & TAM)
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27
Q

Design principles: CROPS

A 
C - Cost Optimization
R - Reliability
O - Operational Excellence
P - Performance
S - Security
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28
Q

Relational Database - SQL

A

RDS - Aurora

Redshift (data warehouse, business intelligence)

29
Q

Non-relational Database - No SQL

A

Lots of data but no links between the data

DynamoDB (No SQL)

30
Q

Dynamically monitors & can react to changes / triggers

A

CloudWatch

31
Q

Audit logs

A

CloudTrail

32
Q

Gateway to connect to on-prem with cloud

A

Storage Gateway

33
Q

Transfer huge amounts of data to AWS

A

Snowball

34
Q

AWS is responsible for security __ the cloud.

The customer is responsible for security __ the cloud.

A

AWS is responsible for security OF the cloud.

The customer is responsible for security IN the cloud.

35
Q

Shared Responsibility Model:

Customer:

  • CD
  • P, A, IAM
  • OS, N & FC

Encryption:
CS Data
SS
NTP

A

Customer is responsible for security IN the cloud

  • Customer Data
  • Platform, Apps, Identity & Access Management
  • Operating System, Network & Firewall Config

Encryption:
Customer-Side Data Encryption & Integrity
Server-Side Encryption
Network Traffic Protection

36
Q

Shared Responsibility Model

AWS:

S
- C, S, DB, N

H & GI
- R, AZ, EL

A

AWS is responsible for security OF the cloud

Software
- Compute, Storage, Database, Networking

Hardware & Global Infrastructure
- Regions, Availability Zones, Edge Locations

37
Q

SRM

Shared Controls
PM, CM, A&T

A

Patch Management
Config Management
Awareness & Training

38
Q

What is fully controlled by AWS?

What is fully controlled by Customer?

A

AWS - Physical & Environmental Controls

Customer - Service & Comms Protection/Zone Security

39
Q

What re the 5 security pillars of AWS Well-Architected Framework?

  • DC
  • IAM
  • IP
  • DP
  • IP
A
  • Detective Controls
  • Identity & Access Management
  • Infrastructure Protection
  • Data Protection
  • Incident Response
40
Q

AWS Cloud Compliance?

  • C & A
  • L, R, P
  • A & F
A
  • Certificates & Attestations
  • Laws, Regulations, Privacy
  • Alignments & Frameworks
41
Q

Allows you to provide very granular access permissions to resources within the infrastructure.

A

Identity & Access Management

42
Q

Protects your web app from common web exploits that could compromise security, availability & resource consumption of your AWS infrastructure

A

Web App Firewall

WAF

43
Q

Protects your wen apps from DDoS attacks with an always-on detection & auto handling of any potential DDoS attcks

A

AWS Shield

44
Q

An automated security assessment service to help improve security and compliance of apps deployed on the Cloud

A

Inspector

45
Q

Helps you optimize your environment by reducing cost, increasing performance & improving security

A

Trusted Advisor

46
Q

Name 3 ways to access AWS

A
  • AWS Management Console
  • Command Line (CL)
  • Software Developer Kit (SDK)
47
Q

Provides safe, secure, highly-scalable object based storage on the cloud

A

Amazon S3 - Simple Storage Solution

48
Q

With S3, what is CRR (Cross-Region Replication)

A

For redundancy, you can have contents replicated automatically

49
Q

What is the availability & durability of S3?

A

Availability is 99.99%

Durability is 99,.999999999& (eleven 9s)

50
Q

What is the data consistency mode for S3?

  • RAW
  • EC
A
  • Read-After-Write Consistency

- Eventual Consistency

51
Q

Name the 4 Storage Classes of S3:

  • S
  • S-IA
  • OZ-IA
  • G
A
  • Standard
  • Standard - Infrequently Accessed
  • Onezone - Infrequently Accessed
  • Glacier
52
Q

What are the 3 retrieval options if Glacier (S3)?

  • ER
  • SR
  • BR
A
  • Expedited Retrieval (few mins)
  • Standard Retrieval ( 3 - 5 hours)
  • Bulk Retrieval (5 - 12 hours)
53
Q

You can upload unlimited no. of files up to 5TB each in size. But you are charged for some things:

  • S
  • Rq
  • Rt
  • ED
  • SM
  • DT
  • TA
  • BW
A
  • Storage
  • Requests
  • Retrievals
  • Early deletes
  • Storage Management
  • Data Transfer
  • Transfer Acceleration
  • Bandwidth
54
Q

What are the 2 types of Encryption?

CS Encryption
SS Encryption
 - S3 MK
 - KMS
 - CPK
A

Client Side Encryption

Server Side Encryption

  • S3 Managed Keys
  • Key Management System
  • Customer Provided Key
55
Q

What is the default access control on S3?

A

All buckets & objects are set to be private

56
Q

What is a PETABYTE-scale data migration solution to transport A LOT of data from your on-prem environment into the AWS cloud?

A

Amazon Snowball

A physical device is mailed to you, once you’ve transferred the data you ship it back & the data will be transferred into S3

57
Q

Name 4 common use cases for Amazon Snowball

  • CM
  • DR
  • DC D
  • CD
A
  • Cloud Migration
  • Disaster Recover
  • Data Centre Decom
  • Content Distribution
58
Q

List the 3 types of Snowball & their sizes

A
  • Snowball (50 TB / 80 TB)
  • Snowball Edge (100 TB)
  • Snowmobile (100 PB) - truck
59
Q

What are the 4 tiers to AWS Support Plans and monthly pricing?

A
  • Basic (Free)
  • Developer ($29 per month)
  • Business ($200 per month)
  • Enterprize ($15 000 per month & TAM)
60
Q

What are the 4 types of charges for AWS Support Plans?

C
S
DO

A
  • Compute
  • Storage
  • Data Out
61
Q

Cost Calculators

  1. Calculates the cost of your entire AWS infrastructure to get a monthly bill?
  2. Analyze costs & usage data to identify trends, cost drivers & detect anomalies?
  3. Compare total cost of running your infrastructure on-prem vs on AWS?
A
  1. AWS Simple Monthly Calculator
  2. AWS Cost Explorer
  3. Total Cost of Ownership Calculator (TCO)
62
Q

Name the 5 best practices of Trusted Advisor:

  • CO
  • FT
  • P
  • SL
  • S
A
  • Cost Optimization
  • Fault Tolerance
  • Performance
  • Service Limits
  • Security
63
Q

Name the 5 types of Compute

E
E
E
E
L
A 
EC2 - Elastic Cloud Computing
EFS - Elastic File System
Elastic Beanstalk
Elastic Load Balancing
Lambda
64
Q

Name 5 types of storage offered in AWS

E
E
S
S
SG
A 
EBS - Elastic Block Storage
Elastic File System
S3 - Simple Storage Solution
Snowball (Data migration)
Storage Gateway (Connects on-prem to cloud)
65
Q

Name 4 types of AWS Databases:

D
DDB
RDS
R

A

AWS Databases
DynamoDB
Relational Database (RDS)
Redshift (Data Warehouse)

66
Q

Name the 3 Networking & Content Delivery available on AWS

CF
R53
V

A

CloudFront
Route 53
Virtual Private Cloud (VPC)

67
Q

Name the 6 security services offered by AWS:

IAM
I
SRM
S
TA
W
A
  • Identity & Access Management
  • Inspector
  • Shared Responsibility Model
  • Shield
  • Trusted Advisor
  • WAF (Web App Firewall)
68
Q

AWS Storage Gateway is a hybrid cloud storage service that gives you on-prem access to virtually unlimited cloud storage.

Name the 3 types of gateways

A

Tape Gateway - Backup & restore (virtual tape)
File Gateway - For hybrid cloud workloads
Volume Gateway - Disaster Recovery on AWS

69
Q

A cloud service solution that makes it easy to establish a dedicated network connection from your premises to AWS.

A

AWS Direct Connect

AWS Cloud Prac (1 decks)

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