Cloud Computing Basics
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Questions and Answers

What is the primary function of IAM in AWS?

  • To provide virtual servers
  • To manage access and identity (correct)
  • To store objects
  • To provide relational database service

    • What is the purpose of SnapMirror in NetApp?

  • Clustered Data ONTAP for high availability
  • Block-level storage
  • Data deduplication and compression
  • Data replication and disaster recovery (correct)

    • What is the primary function of IIS?

  • To provide cloud-based productivity suite
  • To act as a web server software (correct)
  • To manage relational databases
  • To provide storage solutions

    • What is the purpose of SQL?

    <p>To manage relational databases</p> Signup and view all the answers

    What is the primary function of Office 365?

    <p>To provide a cloud-based productivity suite</p> Signup and view all the answers

    Which of the following is a key characteristic of cloud computing?

    <p>On-demand self-service</p> Signup and view all the answers

    What is the primary purpose of a firewall in network security?

    <p>To control access to network resources</p> Signup and view all the answers

    Which of the following cloud deployment models is hosted on-premises?

    <p>Private cloud</p> Signup and view all the answers

    What is the primary difference between IaaS and PaaS?

    <p>IaaS provides virtual machines, while PaaS provides a complete development environment</p> Signup and view all the answers

    What is the primary purpose of encryption in network security?

    <p>To protect data in transit</p> Signup and view all the answers

    Study Notes

    Cloud Computing

    • Definition: Cloud computing is a model for delivering IT services over the internet
    • Key characteristics:
      • On-demand self-service
      • Broad network access
      • Resource pooling
      • Rapid elasticity
      • Measured service
    • Deployment models:
      • Public cloud (e.g. AWS, Azure)
      • Private cloud (e.g. on-premises infrastructure)
      • Hybrid cloud (combination of public and private)
    • Service models:
      • IaaS (Infrastructure as a Service)
      • PaaS (Platform as a Service)
      • SaaS (Software as a Service)

    Network Security

    • Importance: Protecting data and systems from unauthorized access and attacks
    • Key concepts:
      • Firewall configuration
      • Access control lists (ACLs)
      • Encryption (e.g. SSL/TLS)
      • Authentication, authorization, and accounting (AAA)
      • Network segmentation
    • Threats:
      • Malware (e.g. viruses, Trojans)
      • Phishing
      • Denial of Service (DoS) and Distributed DoS (DDoS) attacks

    Server Management

    • Responsibilities:
      • Hardware and software maintenance
      • Performance monitoring and optimization
      • Backup and recovery procedures
      • Security and access control
    • Tools:
      • System Center Configuration Manager (SCCM)
      • Windows Server Update Services (WSUS)
      • PowerShell for automation and scripting
    • Best practices:
      • Regularly update and patch servers
      • Monitor system logs and event logs
      • Implement a change management process

    Office 365

    • Cloud-based productivity suite
    • Key features:
      • Email (Exchange Online)
      • Word, Excel, PowerPoint, and OneNote online
      • SharePoint Online for collaboration and document management
      • Microsoft Teams for communication and collaboration
    • Administration:
      • Office 365 Admin Center for management and reporting
      • PowerShell for automation and scripting

    AWS

    • Amazon Web Services: a comprehensive cloud computing platform
    • Key services:
      • EC2 (virtual servers)
      • S3 (object storage)
      • RDS (relational database service)
      • Lambda (serverless computing)
    • Security:
      • IAM (Identity and Access Management) for access control
      • VPC (Virtual Private Cloud) for network isolation
      • Encryption and key management

    NetApp

    • Storage solutions for data management and protection
    • Key products:
      • ONTAP for block-level storage
      • NetApp Cloud Volumes for cloud-based storage
      • SnapMirror for data replication and disaster recovery
    • Features:
      • Data deduplication and compression
      • Snapshots for data protection
      • Clustered Data ONTAP for high availability

    IIS

    • Internet Information Services: a web server software
    • Key features:
      • ASP.NET and ASP for web application development
      • IIS Manager for configuration and management
      • Support for HTTP, HTTPS, and FTP protocols
    • Security:
      • SSL/TLS encryption for secure connections
      • Authentication and authorization mechanisms
      • Request filtering and URL rewriting

    SQL

    • Structured Query Language: a language for managing relational databases
    • Key concepts:
      • Database design and normalization
      • SQL syntax and querying
      • Database administration and performance tuning
    • Database management systems:
      • Microsoft SQL Server
      • MySQL
      • PostgreSQL

    Cloud Computing

    • Cloud computing delivers IT services over the internet with on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service

    Deployment Models

    • Public cloud (e.g. AWS, Azure) is a 3rd-party managed cloud infrastructure
    • Private cloud (e.g. on-premises infrastructure) is an organization-controlled cloud infrastructure
    • Hybrid cloud combines public and private clouds

    Service Models

    • IaaS (Infrastructure as a Service) provides virtualized computing resources
    • PaaS (Platform as a Service) provides a platform for application development and deployment
    • SaaS (Software as a Service) provides software applications over the internet

    Network Security

    • Network security protects data and systems from unauthorized access and attacks
    • Firewall configuration and access control lists (ACLs) control network traffic
    • Encryption (e.g. SSL/TLS) and authentication, authorization, and accounting (AAA) ensure secure access
    • Network segmentation divides a network into smaller, isolated segments

    Threats

    • Malware (e.g. viruses, Trojans) infiltrate and harm systems
    • Phishing attacks trick users into revealing sensitive information
    • Denial of Service (DoS) and Distributed DoS (DDoS) attacks overwhelm systems with traffic

    Server Management

    • Server management involves hardware and software maintenance, performance monitoring, backup and recovery, and security and access control
    • System Center Configuration Manager (SCCM) and Windows Server Update Services (WSUS) aid in server management
    • PowerShell automates and scripts server tasks

    Best Practices

    • Regularly update and patch servers to prevent vulnerabilities
    • Monitor system logs and event logs for issues
    • Implement a change management process for organized updates

    Office 365

    • Office 365 is a cloud-based productivity suite with email, word processing, spreadsheets, presentations, and collaboration tools
    • SharePoint Online facilitates collaboration and document management
    • Microsoft Teams enables communication and collaboration
    • Office 365 Admin Center manages and reports on the suite
    • PowerShell automates Office 365 tasks

    AWS

    • Amazon Web Services (AWS) is a comprehensive cloud computing platform
    • Key services include EC2 (virtual servers), S3 (object storage), RDS (relational database service), and Lambda (serverless computing)
    • IAM (Identity and Access Management) controls access and VPC (Virtual Private Cloud) provides network isolation
    • Encryption and key management secure AWS resources

    NetApp

    • NetApp provides storage solutions for data management and protection
    • ONTAP offers block-level storage and NetApp Cloud Volumes provides cloud-based storage
    • SnapMirror enables data replication and disaster recovery

    Features

    • Data deduplication and compression reduce storage needs
    • Snapshots protect data and clustered Data ONTAP enables high availability

    IIS

    • Internet Information Services (IIS) is a web server software
    • Key features include ASP.NET and ASP for web application development and IIS Manager for configuration
    • IIS supports HTTP, HTTPS, and FTP protocols

    Security

    • SSL/TLS encryption enables secure connections
    • Authentication and authorization mechanisms control access
    • Request filtering and URL rewriting enhance security

    SQL

    • Structured Query Language (SQL) manages relational databases
    • Key concepts include database design, normalization, SQL syntax, and querying
    • Database administration and performance tuning ensure efficient databases

    Database Management Systems

    • Microsoft SQL Server, MySQL, and PostgreSQL are popular database management systems

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    Description

    Explore the definition, key characteristics, deployment models, and service models of cloud computing, including public, private, and hybrid clouds.

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