mode 1 AWS Flashcards
What is a server room?
A room that houses your server
What is a server?
A piece of computer hardware or software that provides functionality for other programs or devices called clients.
Issues with server rooms
upfront cost of buying the equipment >scalability >>maintability & speed >backups >outage >security that you have to monitor >you need to hire an IT staff >environmental temperature
What is AWS?
Stands for Amazon Web Services
>It’s a cloud computing service that provides no upfront cost on ongoing commitments
There are HUNDREDS of services, and the services are designed to work together
Solution to server rooms.
What are TYPES of IT services that can be provided on the cloud?
> IaaS - Infrastructure as a Service
»examples: virtual machines, processors, memory, harddrives, etc
»this is for the system architechs
> PaaS - Platform as a Service
»examples: database systems, webservers, etc
»this is for the devs
> SaaS - Software as a Service
»examples: adobe suite, Microsoft 365, GSuite, dropbox, Salesforce, etc
»this is for the end user
(FaaS - Function as a Service, GaaS - Gaming as a Service)
What is data?
A piece of information
What is a database (DB)?
A place to store information
A structured and organized set of data
Databases (DB) support manipulation and storage of data entries; DB makes management of data significantly easier.
How is data structured in DBs?
IN TABLES!!!!!!!!!!
What is a table?
A table will store in a datbase a specific TYPE of “entity” (not a sepcific record)
»things like: users, cars, pokemon, etc
A table has rows and columns
»>columns = attributes AKA fields AKA properties
»>rows =data entries AKA records
What is a DataBase Management System (DBMS)?
The set of softwares which enbale access to a database, allows manipulation of data, and reporting of data.
It also processes queries
What are types of DBMS?
> There are a few types of DBMS:
»Relational >Object Oriented
»Navigational
»etc
