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AWS Cert - AI Practitioner Exam

  AWS Certification Prep AI Practitioner ML Process: Training Data (labeled or not; structured or not) => ML algorithm => Model  Steps: 1) Get data, 2) ML (supervised, un supervised , reinforced) 3)  Inferencing (batch or real-time) Deep Learning Neural networks take input run through hidden layer and output the answer. Good for vision and audio. Gen AI Steps: 1) Get unlabeled data, 2) Pretrain into FM, 3) Adapt into task output Tokens are like words in a sentence.  Types of FMs: 1) LLM,  SAGE MAKER SageMaker =  ML workflow mgmt that offers auto training, tuning, and deployment of ML and solves data prep and model training tasks .  Uses are:  predictive analytics, image recognition, voice AI with NLP, fraud detection, recommendation systems, and time-series forecasting.  Security via IAM. Does its own logging. CloudWatch can monitor metrics and set alarms. Integrates with  S3 for storing  d...
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AWS Cert Prep Cloud Essentials - Product Names

  AWS Cert Prep  Cloud Essentials - Product Names Elastic Beanstalk  = deploy, manage, scale  web apps . Sets up infrastructure, load balancing + app health. Lightsail  = think  Lightsail makes Small Businesses soar.  Provides simple, pre-configured VPS hosting  kit  including compute, storage, DBs, and networking for a low, predictable price. No need for Mgmt console. Key features include easy instance setup, built-in firewalls, and load balancing.  virtual private servers, storage, DBs + networking for small biz. Blogs, etc. Outpost  =  hybrid with hardware on premise, but cloud  mgmt . Ground Station  = control  satellites . Device Farm  - for  testing web and mobile apps  across browsers and mobile devices. Route 53  is a  DNS  that does  geographic control   by routing over to edge and to Cloud Front.   Stateless. Restartable .  Route 53 has alias r...
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AWS Cert Prep - Cloud Essentials - Abbreviations

AWS Cert Prep  Cloud Essentials - Abbreviations ACM =  Amazon  Certificate Manager AMI = Amazon Machine Image BYOL = Bring Your Own License CDN = Content Delivery Network CLI = Command Line Interface DDOS = Distributed denial of service DMS = Database Migration Service EBS = Elastic Block Store EC2 = Elastic Computer Cloud ECS = Elastic Container Service EFS =  Elastic  File System EKS =  Elastic  Kubernetes   Service ELB =  Elastic  Load Balancing EMR = Elastic Map Reduce FMs = Foundation Models FSx = File System X IAM =  Identity and Access Management IDE = Integrated Development Environment KMS = Key Management Service MFA = Multi-factor Authentication MQ = Message Queue RDS = Relational Database Service RI = Reserved Instance S3 = Simple Storage Solution SCPs = Service Control Policies (security policies) SDK = Software Developer's Kit SES = Simple Email Service SQS = Simple Queue Service SNS = Simple Notification Service S...
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AWS Cert Prep - Cloud Essentials

AWS Certification Prep Cloud Practitioner Essentials -  Terms GENERAL Client/Server = C lient requests and server responds. Containers = Faster and lighter than VMs, since they do not have their own OS. Networking = Infrastructure and services working together to host your apps, data, and resources . Virtual private network encrypts your internet traffic . Content Delivery Network (CDN)   caches web content close to its end-users . No SQL DBs = key-value pairs . Authentication   verifies who. Uses locking (encryption) and unlocking (decryption) data. Authorization   verifies can do action Principle of Least Privilege Id Mgmt  Types:  Federated (across orgs), Id Provider, Single Sign-On (across apps), MFA, Zero Trust Multi-factor Authentication (MFA) = Requires 2+ verification methods to get access. Distributed denial of service (DDOS) = multiple computers attacking On-Premise (empty lot) , IaaS   (built house) , PaaS   ...
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