AWS Cloud Practitioner

The Exam CLF-C01

General understanding of the AWS cloud

Oriented toward people in roles

• technical management
• compliance
• security
• sales
• financial

The exam includes knowledge in

• Available services and their common use cases
• Architectural principles at conceptual level
• Account security and compliance
• Costs, economics, billing and pricing
• AWS shared responsability model

Recommended 6 months of experience with AWS cloud

Questions of multiple choice:

• single response
• multiple response

You need score 700 of 1000

Domains

1. Cloud concepts 26%º
   1. AWS cloud and its value proposition
   2. Identify aspects of cloud economics
   3. List different cloud architecture design principles
2. Security and compliance 25%
   1. Define AWS shared responsability model
   2. Define AWS cloud security and compliance concepts
   3. Identify AWS access management capabilities
   4. Identify resources for security support
3. Technology 33%
   1. Define methods of deploying and operating the AWS cloud
   2. Define AWS globla infra
   3. Identify core AWS services
   4. Identify resources for technology support
4. Billing and pricing 16%
   1. Compare and contrast the various pricing models
   2. Recognize various account structures in relation to AWS billing and pricing
   3. Identify resources available for billing support

Cloud computing

> According to AWS is the on-demand delivery of compute power, databases, storage, applications and other IT resources through a cloud services platform via the internet with pay as yo go pricing.
You provision what you need via a webapp.

• There is no need for initial investment
• No need of management for cabling and hw
• Provision only what you need at any moment, with posibility to deprovision

Support for emerging technologies:

• Blockchain
• Virtual and augmented reality
• IoT
• Machine Learning and AI
• Robotics
• Database technology

Cloud computing types

• aaS means AS A SERVICE
• IaaS Infra as a service, provides components as virtual machines, networks, firewalls and storage
  VPC are virtual private clouds for your servers
• PaaS Platform as a service, eliminates the need for managing infra, provides runtimes, languages, frameworks, updates, patches, database engines, containers, microservices runtimes. You loose control over underlying infra.
  Examples in DB category, Mysql, Postgresql, Aurora, Amazon lightsail.
• Saas Software as a service, offers a finished product that is run and managed by the provider, no concer about infra or platform where software runs.
  Example, web based email, Workspaces, CRMs, HR workplaces, cloud storage, collaboration tools, finance, sales and marketing (sap).
  Other examples, dropbox, office 365, salesforce, yammer, google drive

Cloud deployment models

• Cloud-based fully deployed in AWS cloud
• Hybrid is the most popular, some resources on-premise and others on the cloud.
  Example
  • Fully managed compute and storage hw built with AWS designed solutions
  • Extends AWS services to consumer data centers, co-location spaces, or on-premises.
  • Can use AWS o Virtualization on AWS
• On-premises your own data center, hosted privately, required for regulations and governance.
  Uses virtualization, hypervisors.

AWS Services

• Compute
  • Linux or windows servers
  • functions (AWS Lambda)
  • containers (AWS Fargate)
• Networking and CDN
  • VPCs
• Storage
  • Block Storage
  • Object storage (S3)
• Database
  • mysql
  • nosql: Dynamo DB

Locations

• Regions
  • Availability Zones in each Region
• Example:
• North Virginia
  • East US
  • East US2
  • US Gov Virginia
• As of 2020:
  • 4 Regions
  • 77 availability zones in total
  • 245 countries serviced
  • 205 edge locations
  • 11 regional edge caches

AWS is Leader according to 2020 Gartner Magic Quadrant, 10th year in row , and 2x more regions with multiple availability zones than nearest competition

AWS Value proposition: Agility

• Agility AWS as producer, we as consumer: co-create value and deliver data, applications, services and solutions to the world.
• Includes the concept of flexibility
• Integrates with Agile development, spirar development, and project management
• Leveraging for rapid deployment, testing, experimentation and innovation
• Overcoming geographical limitations
• Ability to replicate/move data from one region to another

AWS Value proposition: Elasticicy

• Elasticity is the ability to almost instantly provision and deprovision resources
• Leveraging dynamic auto-scaling technologies is part of the solution

> Allows to add thousands of virtual servers and petabytes of storage within minutes.
Regions, enables dynamically shift around expanding global infra capacity, creating a better and more enjoyable streaming experience for Netflix members wherever they are.
Netflix manager

AWS Value proposition: Cost

• Reduce costs and investments in conectivity, network, devices, servers, racks, cabling, buildings
• No need for employments and training, certification
• No need for maintenance and upgrades
• No need for facilities
• You can have disaster recovery sites
• Lower cost of DB and storage
• More AWS usage comes with discounted prices

AWS Value proposition: Security

• AWS responsible for physical security
• AWS responsible for the infra resources (compute, storage, database and network)
• Consumer responsible for software, data and access on top of infra
• AWS has highly-secure non-descript datacenters with stringent physical security and multi-factor authentication of their employees

Security triad

1. IAM Identity and Access Management
2. KMS Key Management Service
3. Infrastructure security
• Through VPC design, firewalls, and managed services (AWS shield, GuardDuty, Inspector)

References

• AWS Certified Cloud Practitioner
• AWS Certification exam preparation