A+ 2016: Operating Systems Fundamentals

Explore the evolution of windows from dos to gui, the rise of mobile devices, and the features and installation of vista, seven, eight, and eight point one on desktop.

Trace the evolution of Microsoft Windows from a graphical shell for MS-DOS to Windows 10, covering XP, Vista, 7, 8, NT, and server editions.

Explore Windows Vista, released in 2006, with Aero, Windows Search, and redesigned subsystems, plus .NET Framework 3.0 integration and media tools. Evaluate its security, licensing, drm concerns, and compatibility issues.

Explore Windows 7, a 2009 upgrade in the Windows NT family from Vista, featuring aero improvements, a redesigned taskbar, libraries, homegroup, security enhancements, and XP mode.

Windows 8, released in October 2012, offers a touch-optimized metro interface and a new app platform, featuring USB 3.0, NFC, cloud computing, antivirus, SmartScreen, and UEFI Secure Boot.

Windows 10 introduces a universal app architecture and metro-style apps across devices, with a touch-friendly interface, task view, Edge, biometric logins, Continuum, and Cortana.

Review the different versions of Windows and assess Windows Vista, noting that it had a slower boot time than the previous OS and came in multiple editions.

Explore the action center to see security and maintenance, and identify red and yellow items while reviewing features like firewall, Windows Defender protection, Smart Screen, Windows Update, and automatic maintenance.

Explore 32-bit vs 64-bit: memory limits, compatibility, and how a 64-bit OS can run 32-bit apps while a 32-bit OS cannot run 64-bit apps, demonstrated on a 64-bit system.

Explore Windows Aero, including Aero Glass, live window previews, and taskbar thumbnails, with Desktop Window Manager acceleration. Understand how Windows 7 and 8 visuals use touch-friendly changes, gestures, and ReadyBoost.

Discover how Windows user account control strengthens security by prompting before changes, even for admins, and by requiring consent to install software or modify settings.

learn how to configure user account control (uac) in Windows, from Vista to seven options, including always notify and never notify, and how to adjust default level in Control Panel.

Encrypt the full disk for Windows Vista Ultimate and Enterprise editions. Protect data by encrypting volumes with AES CBC and offering TPM 1.2 mode, pre-boot PIN, or USB startup key.

Explore shadow copies and the volume shadow copy service (VSS) for point-in-time backups of files and volumes, with snapshots, providers, writers, and restore points.

Use system restore to undo OS changes by returning to a restore point, reloading programs and drivers while preserving personal files; beware multi-boot issues with XP and Vista restore points.

Learn to use system restore to undo changes, revert to a restore point, and fix issues while preserving documents but potentially uninstalling some programs.

Explore the Windows sidebar and its gadgets, like Clock and Feed Headlines, mini-programs that display information at a glance. Gadgets faced security vulnerabilities and were discontinued in Windows 10.

Learn to use compatibility mode for older apps, run operating systems with VirtualBox and shared folders, and transfer files with Windows Easy Transfer from XP to Windows 7, noting limitations.

Explore Windows XP mode, a virtualized Windows XP inside Windows 7 that lets you run legacy XP programs like Photoshop 4.0, using either a full VM or a program window.

Learn how system restore and manual snapshots safeguard your system before big upgrades and make it easy to restore from a specific point, as seen in Windows 7.

Explore Windows Administrative Tools and MMC snap-ins, including Event Viewer, Component Services, Computer Management, ODBC Data Sources, and iSCSI Initiator, to configure security policy, manage logs, users, disks, and services.

Explore administrative tools in Windows 8.1, including computer management, device manager, disc management, services, event viewer, and performance monitors, and try them to build a practical troubleshooting toolkit.

Open the event viewer in Windows 8.1 (eventviewer.msc) to explore custom views and Windows logs, then filter for errors and view event details.

Explore how Windows Security Center monitors firewall, updates, and malware protection. Receive notifications, access the Action Center, and learn about features such as Windows Defender, SmartScreen, AppLocker, and parental controls.

Explore how Windows Defender in Windows 8.1 evolved to a full anti-malware solution, offering quick, full, and custom scans, real-time protection, and configurable exclusions and maps integration.

Open the Windows firewall in the control panel, adjust which apps are allowed, and set public or private network rules. Use advanced settings to create administrator rules and troubleshoot connectivity.

Explore how Windows folders organize the operating system and data, focusing on Program Files, Users, and the Windows folder, and examine NTFS compatibility and registry storage.

Learn how to switch the Windows control panel between category view and classic view, with category view presenting categories and task lists, and classic view showing all contents.

Tile windows side by side to view two files or programs in Windows Vista through 8.1, tiling vertically or horizontally. Metro UI emphasizes typography and geometry for faster touch use.

Pin program shortcuts to the start menu and explore multi-monitor taskbar modes in Windows 8.1, enabling access to apps and files on OneDrive across monitors.

Explore the Windows 8 start screen with live tiles displaying updates, emails, and calendar events, plus personalization options, and see how PowerShell enables admin tasks and sign-in to Microsoft services.

Explore how to personalize the Windows 8 start screen by grouping and naming tiles, choosing animated backgrounds, pinning websites and apps, and resizing and rearranging for easier access.

Microsoft Application Compatibility Toolkit is a lifecycle management tool that analyzes the portfolio of applications, websites, and devices and generates compatibility reports to ease Windows updates.

Upgrading replaces an old operating system, such as Vista to 7 or 8.1 to 10, and requires checking compatibility with hardware, software, and devices using the Windows upgrade advisor.

Test your understanding of Windows compatibility tools, including ACT and the Compatibility Administrator, and how they analyze portfolios to resolve compatibility issues before deploying new Windows versions.

Explore features of Windows Vista, Windows 7, Windows 8, and Windows 8.1, plus a short overview of Windows 10, with a focus on compatibility and upgrade advisor tools.

Learn how to install Windows on your PC, boot with different methods, and keep Windows updated with patches. Windows holds the largest PC market share alongside Mac OS and Linux.

Learn how to boot Windows from USB, CD/DVD, PXE, or NetBoot by configuring the BIOS boot order for fast installations and restores from a restore disk or factory partition.

Demonstrates how to change boot methods in the BIOS to boot from DVD, USB, or network options, and set boot option priorities for installations.

Learn Windows unattended deployment with ADS, a master image, and a two-phase process, plus remote PXE deployment via Windows Deployment Services.

Explains a clean Windows 8 install from optical media, covers installation types, partitioning with system and primary partitions, and the five install phases plus a local account setup.

Explore the three Windows file systems—FAT, FAT32, and NTFS—and exFAT for embedded systems, including their compatibility, fragmentation concerns, and formatting options.

Watch a demo of formatting an external drive with ntfs, fat32, and exfat, noting ntfs's security advantages and quick format's data removal without scanning.

Compare basic and dynamic disks, learn how volumes span disks with mirrored or raid5 fault tolerance, and explore active, primary, logical, and extended partitions with NTFS-formatted volumes in Windows storage.

Learn partitioning fundamentals through a hands-on demo: compare MBR and GPT, identify boot and data drives, and create and format a new simple volume with NTFS or exFAT.

Prepare the hard disk per manufacturer, then format with NTFS (preferred) or FAT, and configure SATA or IDE settings, including enabling AHCI for SATA and proper jumpers or BIOS changes.

Learn how to use a factory recovery partition or disk to reinstall Windows, which restores original drivers but erases personal files and applications.

Explain how device drivers enable communication between a computer and hardware devices. Describe how Windows Update can check for optional updates, then install updates for new devices and Windows itself.

Configure device drivers and Windows updates via device manager and update settings. Choose automatic or manual installation, view update history, and customize Microsoft product updates for your organization.

Set and adjust computer clock and time zone, enable daylight saving time, synchronize with an internet time server, and configure national language support, or NLS, locales, custom locales for formatting.

Demonstrate how to change the date and time, set a time zone such as Pacific or Hawaii, and enable additional clocks and Internet time synchronization.

This knowledge check reviews Windows locale concepts, highlighting that administrators can set custom locales and describing supplemental and replacement locales.

Register the domain with an ICANN-approved registrar such as GoDaddy, provide owner and contact details, and configure DNS server with a lookup zone including SOA, NS, CNAME, and MX records.

Compare workgroups, homegroup, and domains in Windows networks, detailing peer sharing, local logon, password protection, centralized domain management, and version compatibility.

Learn how a network card connects a system to networks, enabling sending and receiving data at speeds from 10 Mbps to 1 Gbps across simplex, half-duplex, and full-duplex modes.

Configure wired and wireless networks by setting TCP/IP with DHCP or static addresses, linking NICs to hubs, routers, or switches, and securing wireless access with SSID and WPA/WPA2.

Configure your computer to switch between office and home networks using the alternate configuration for IPv4 when DHCP is unavailable, with manual static IP, gateway, DNS, and wins settings.

Explore configuring an alternative IP configuration for networks with and without DHCP. Learn about AP IPA addressing, automatic vs manual settings, and seamless home or office connectivity.

Demonstrates how to enable or manually configure Internet Explorer proxy settings via Control Panel, Internet Options, and LAN settings, including automatic detection and proxy addresses for http, https, and ftp.

Protect networks by implementing a firewall, hardware or software, that acts as a barrier between networks and only allows traffic that meets predefined rules to pass.

Choose a network location, home, work, public, or domain, to apply appropriate security and understand how discovery, homegroup availability, and visibility vary in each environment.

Learn to share files and folders on a network and map drives and printers for persistent access, and edit the registry to remove administrative shares.

Explore four proxy server types—transparent, anonymous, distorting, and high anonymity—and learn common uses such as sharing a LAN connection, speeding up surfing, hiding your IP, and bypassing filters.

Connect to a Windows PC remotely with remote desktop to access apps, files, and resources as if local, using credentials and port 3389 via local area network or internet.

Connect and troubleshoot remotely using Windows Remote Assistance, using Easy Connect for same-version Windows and invitation files when versions differ, exchanging passwords and contact info.

learn how to enable windows remote assistance, set invitation options, and securely share control with a trusted helper to diagnose and fix problems remotely.

Identify remote connections such as remote desktop and remote assistance, and learn how administrators take control or provide help with user approval and observed actions.

Explore how Windows Backup returns in Windows 10, integrates OneDrive, and supports system image backups, resets, and recovery drives, while enabling scheduled backups and system restore.

Learn to maintain disk health by defragmenting non-contiguous blocks and scheduling Disk Check, Disk Defragmenter, and Disk Cleanup to improve I/O performance.

Windows disk defragmenter runs weekly at an early hour and can be adjusted; use disk management to optimize and defragment the C drive and select drives to include.

Discover how Microsoft releases patches and major updates to fix security vulnerabilities and bugs, add features from feedback, and enforce monthly automatic updates for remote deployments.

Automate Windows patch management to address vulnerabilities by deploying Microsoft updates, balancing downtime and testing with tools like HFNetChk to detect, assess, acquire, test, deploy, and maintain patches.

Apply patches to shield systems from malware that can enter via the internet, mail, or hacking. Windows Defender and Microsoft Security Essentials provide integrated protection across Windows versions.

Compare workgroups and domains to understand how resources are managed within operating systems fundamentals, and note that all computers must be on the same local network or subnet.

Master Windows installation and patching, boot methods, partitions and recovery to maintain stable systems, and configure networks, drivers, backups, and remote support with up-to-date security features.

Explore Windows command-line tools through the Command Prompt and use bootrec, format, and chkdsk along with management utilities like Computer Management, Device Manager, and Services and System Configuration.

Explore bootrec.exe in the Windows Recovery Environment to repair the MBR, boot sector, and BCD, using fixboot, fixmbr, RebuildBCD, and ScanOS, then manage gpupdate and gpresult for policy settings.

Learn to use the Windows shutdown command to shut down or restart, including scheduling a shutdown for a specific time on local or remote systems via the command prompt.

Learn how to use gpupdate to refresh group policy and gpresult to view results, including RSLP summary data, operating system information, and local user policy settings, with essential command arguments.

Explore Windows directory commands to manage the directory structure, create and remove directories with md and rd, and change the current working directory with cd while listing contents with dir.

Learn to use md, rd, dir, cd, and del commands in Windows to manage directories, view contents, pause output, and confirm deletions within the command prompt.

Learn to use Windows disk commands to manage disks and partitions. Format partitions to a file system and use chkdsk to repair errors and mark bad sectors, with automation scripts.

Use external command chkdsk and the check disk tool in Windows to verify disk integrity on drive d:, run from an administrator command prompt, and interpret results showing no problems.

Demonstrates using diskpart to manage disks, partitions, volumes, or virtual hard disks in Windows Vista and later; the demo covers listing disks, selecting disk 0, and listing partitions.

Delete files and directories with the del command, using wildcards. Copy files between directories with the copy command, noting the destination defaults to the current directory.

Demonstrates using copy and xcopy commands in Windows to copy files and directories via the command prompt, including wildcard copying and handling overwrite prompts with practical examples.

Learn how to use System File Checker (SFC) to scan and restore corrupted Windows system files from an administrator Command Prompt, leveraging SFC /scannow and Windows Resource Protection.

Learn how to terminate tasks by process id or image name with the taskkill command, view command options with taskkill /? and run real examples like taskkill /IM notepad.exe.

List running processes on local or remote systems with tasklist. Replaces TList and redirects output to a file in a table of image name, pid, session name, and memory usage.

Answer a knowledge check on Windows command and bootrec, a Microsoft tool in Windows Recovery Environment, used when the computer fails to start.

Explore Windows administrative tools such as Computer Management and Services. Learn to use data sources with ODBC and configure Local Security Policy, Performance Monitor, Print Management, and the Services tool.

Demonstrate using computer management and administrative tools to view events, monitor performance, manage storage, and inspect drivers and devices. Explore task scheduler, event viewer, shared folders, and WMI for troubleshooting.

Explore device manager to view and control hardware, update drivers, and troubleshoot problems, while understanding users and groups that assign security rights and manage accounts.

Create and manage local users and groups in Windows using the local users and groups tool to assign rights and permissions, add a test user, and form a demo group.

Explore how the performance monitor displays counters to troubleshoot system performance and collect real-time data in logs using data collector sets and event trace data.

Explore msconfig to troubleshoot the Windows startup process by managing general startup options, boot configurations, services, startup items, and tools.

Discover how Task Manager stops unresponsive apps, sets process priorities and affinity, and terminates tasks in Windows, including options to shut down, restart, and log off via tabs.

Navigate the task manager, switch to more details, and monitor CPU, memory, disk, and network usage; explore startup options, user sessions, and the services and details views.

Learn how the disk management tool views and manages disk drives and partitions, displaying status, layout, and capacity. Mount, initialize, extend, shrink, or split partitions, and manage drive letters.

Explore how to use disk management in Windows to configure drives, create and format volumes, manage partitions (GPT vs MBR), and handle unallocated space, drive letters, and mounts.

Learn about tools for transferring files and settings, including USMT and Windows Easy Transfer, and use Windows Upgrade Advisor to check compatibility before upgrades, with antivirus to prevent malware.

Learn how to use the registry editor to view and modify registry entries, back up with export, and remove or restore software installations via the uninstall path in HKEY roots.

Explore command line fundamentals in Windows by using command prompt as administrator to run dir, dir /w, dir /p, cls, date, and system info for evaluating directories and system configuration.

Explore the Windows services tool using the services.msc snap-in to view, start, stop, and configure services, including startup types, logon options, recovery actions, and dependencies such as remote procedure call.

Demonstrates using the Microsoft Management Console to add snap-ins, manage disks, and administer remote computers from a single Windows 8 interface.

Connect to a remote computer or virtual machine with remote desktop connection, RDC/MSTSC, gain full control, and configure login, display, and local resources while optimizing performance.

Demonstrates using Notepad in Windows 8 to create and save text documents, choose Save or Save As with ANSI, Unicode, UTF8 encoding, and adjust font, word wrap, and status bar.

Explore MSINFO32, the system information tool, to view operating system details, BIOS data, hardware resources, drivers, and the software environment for quick troubleshooting.

Explore how to use the DirectX diagnostic tool (dxdiag) to troubleshoot video and sound hardware, inspect drivers and WHQ signatures, and view system, display, sound, and input device details.

Learn how to enable System Restore and revert a Windows system to a previous state via restore points that snapshot system files, installed applications, Windows Registry, and settings for troubleshooting.

Demonstrates using Windows Update to manage updates over the internet or without an internet connection, adjust update settings in Control Panel, view update history, and uninstall updates.

Learn to use the Microsoft drive optimization tool to defragment and repair files, placing fragmented data into contiguous locations for performance.

Take a knowledge check on the Windows Performance Monitor and registry keys, noting that configuration information records a registry key's value and can be logged over time.

Explore how the control panel lets you view and manipulate basic system settings through applets like add/remove software, add hardware, and control user accounts, using Windows utilities.

Demonstrates configuring internet options in Windows, covering general, security, privacy, content, connections, programs, and advanced settings to customize home pages, privacy controls, and browser behavior.

Learn how Windows display settings let you configure resolution, wallpaper, screensavers, layout, and color through the graphics driver, and manage user accounts (standard, administrator, guest) in the control panel.

Explore how to customize Windows Explorer with folder options, including hiding files and extensions, adjusting views, grouping, columns, and hidden items to personalize the file browser.

Use the system tool to view processor and RAM details, OS information, and access device manager, remote settings, and system settings, and explore power plans like hibernate, sleep, and standby.

Learn to use Windows power options to create, configure, and switch power plans such as balanced, high performance, and power saver to optimize display and battery life.

Connect to the internet and manage LAN, WLAN, VPN, dial-up, and broadband connections from the central network and sharing center, and share items in a homegroup with permissions.

See a demo of using the programs and features tool to uninstall, repair, or modify installed apps and manage Windows features.

Administrator accounts provide the most control over a computer. Use them only when necessary, as emphasized in this knowledge check.

Learn how to use Windows command-line tools to troubleshoot and repair systems, including Bootrec for MBR, chkdsk for file systems, Disk Management, Services, Internet Options, and Programs and Features.

Explore the key features of Mac OS X and Linux, including the GUI and UNIX core, and security through root access controls. Compare pricing, upgrades, and gaming support.

OS X is Apple's UNIX operating system, successor to Mac OS 9, built on NeXT technology, with 10.0–10.8 named after big cats and later California landmarks.

Examine Mac OS X's layered architecture, from kernel and core services to application environments such as Carbon, Cocoa, Java, Classic, and BSD commands, with graphics technologies Quartz, Quicktime, and OpenGL.

Explore Mac OS X features such as multiple desktops, mission control options, keychain password management, spotlight search, and iCloud integration, plus multitouch gestures, Finder, and the dock.

Demonstrate how Mac OS X keychain acts as Apple's password management system, storing passwords for apps, servers, websites, and data like credit card numbers, with access controls and password viewing.

Explore how Spotlight swiftly finds items on your computer and provides suggestions from the Internet, iTunes, and App Store, with privacy controls and keyboard shortcuts for fast searching.

Explore iCloud drive on a Mac, learn how iCloud stores and syncs photos, videos, and documents across iOS, Windows, and the web, and configure family sharing and security settings.

Explore the Mac Finder to navigate files and folders, customize views, favorites, and the sidebar, and tailor toolbar and preferences for efficient organization.

Demonstrates how to use Boot Camp Assistant to download the Windows ISO, create a USB installer, and partition the disk for Windows installation.

Explore mission control to manage multiple desktops, switch spaces, and view open windows as thumbnails; use hot corners to access desktop and dashboard views.

Learn why software updates and patch management fix vulnerabilities and add features. Use the App Store, automatic updates, major version upgrades, testing, and documentation to keep OS X secure.

Explore firmware as the bridge between hardware and software, stored in ROM or flash, with low-level code in assembly or C that updates automatically with OS upgrades.

Explore macOS tools starting with the shell and terminal, explain CLIs versus GUIs, and cover force quit, Finder management, and screen sharing.

Practice regular disk maintenance on Mac OS X with Disk Utility to reclaim space, defragment, repair permissions, and clean temp and log files, backing up before deleting unwanted data.

Back up regularly on Mac or Linux to recover data after loss or from an earlier version; use Time Machine with an external drive and Automator for automated backups.

Back up and restore your Mac with Time Machine by selecting a backup disk and configuring preferences. View hourly, daily, and weekly snapshots and confirm backups while plugged in.

Answer a knowledge check about macOS, noting that macOS is a series of GUI-based operating systems developed by Apple, distinct from Windows, and that mobile devices use touch interfaces.

Explore Linux as a free, open source operating system built on Unix principles; distinguish user space from kernel space, and understand how system calls bridge user programs to the kernel.

Explore how a Linux distribution combines the Linux kernel, GNU tools and libraries, package management, and a desktop environment to form an operating system.

Navigate the Linux file system from the command prompt in Ubuntu 6.04, using ls and ls -l to inspect directories, and cd to access the documents folder, noting case sensitivity.

Explore linux features such as freely available source code, live cd/usb portability, cross hardware compatibility, and multiuser multitasking with authentication, authorization, encryption, and shell commands.

Learn to manage Linux updates with apt-get upgrade, the Ubuntu update manager, automatic checks, centralized patch management, and updates for antimalware tools and firmware.

Verify and repair disks using Disk Utility and fsck in interactive, noninteractive, and single-user modes, then explore shell, terminal emulator, and commands like end process and xkill plus desktop sharing.

Back up and restore data on Mac and Linux, schedule backups with crontab or at, manage LVM snapshots with lvcreate and lvconvert, and use PhotoRec for recovery.

Learn how to back up and restore files on Linux Mint using the backup tool, selecting source, destination on an external drive, and options to preserve structure, permissions, and timestamps.

Explore basic Linux commands grouped into navigation, file handling, and utilities, including pwd, cd, ls, cp, rm, mkdir, rmdir, chown, chmod, grep, passwd, sudo, apt-get, ifconfig, ps, vi, and dd.

This demo introduces grep command options for pattern matching, demonstrates password changes with passwd, and shows apt-get and app install workflows, including sudo usage and installing lvm2 with dependencies.

Compare Mac and Linux operating systems and explore how the shell acts as an interface to the os rather than the os itself.

Compare macOS and Linux as UNIX-based, secure operating systems, highlighting GUI, Mission Control, and core security concepts—authentication, authorization, encryption. Note Time Machine, Disk Utility, Linux snapshots, and basic commands.

Learn about client-side virtualization and the basics of cloud computing, and understand how these concepts differ from other virtualization services you may know.

Explore how virtualization enables multiple operating systems on one server by using a hypervisor to partition CPU, memory, storage, and I/O into separate virtual machines.

Explore how virtualization provides portability and flexibility by running multiple operating systems on a single processor. Consolidate servers, enable on-demand resource scaling, and strengthen disaster recovery.

Learn server, desktop, and application virtualization, including full virtualization, paravirtualization, and OS partitioning; explore hypervisors, virtual machines, isolation, and features like sandboxing, streaming, and hardware-assisted VMX.

Understand how a hypervisor, or virtual machine monitor, sits between host and guest operating systems, manages cpu, memory, and other resources, and supports type 1 and type 2 virtualization.

Create and manage virtual machines with Hyper-V Manager, using the new virtual machine wizard and import features, and adjust memory, processors, and network settings on the virtualization server.

Compare server-side and client-side desktop virtualization, where virtual machines run on a server or client, managed by a central hypervisor via VDI for multiple customized desktops and improved security.

Understand client-side virtualization, where multiple client images run as virtual machines on a server, enabling offline work, centralized management, and improved performance.

Explore client-side virtualization that runs multiple independent operating systems on one computer. See how hypervisor-enabled tools like VirtualBox, VMware, and Hyper-V secure data and manage networks and hardware.

Learn virtualization resource requirements, including CPU, host memory, guest memory for Windows and Linux, and basic storage and networking setup via a virtual switch, NAT, or bridged mode.

Explore emulator and hypervisor requirements that let a guest OS run on a different host. Assess security risks like VM escaping, host protection, antivirus, and trusted third-party VM images.

Finalize the virtualization discussion and recognize that virtual machines remove real machine constraints, offering greater portability and flexibility before moving to cloud computing.

Explore cloud computing fundamentals, including private, public, and hybrid clouds, virtualization, and on-demand provisioning of virtual processors, storage, and networks.

Explore how Azure cloud services deliver compute, storage, data, networking, and apps with pay-as-you-go elasticity, via the Azure portal, pricing calculator, and subscriptions.

Explore cloud computing's five characteristics—on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service—enabled by automation, virtualization, and metered usage.

Discover public, private, community, and hybrid clouds, and learn how virtualization and resource pools support on-demand resources, isolation, and a consistent experience with high availability and disaster recovery.

Examine cloud providers' software as a service, platform as a service, infrastructure as a service, development as a service, desktop as a service, and backend as a service.

Create a Windows Server 2012 R2 Datacenter virtual machine on Azure via the management portal, selecting from gallery, configuring size and credentials, and enabling the Microsoft Antimalware extension.

SaaS delivers software as a service on the cloud, offering pay for what you use access via web browsers and managed by providers, with elastic scalability and automatic updates.

Explore how platform as a service lets cloud providers host the platform, os, tools, and apis so developers build and host apps without hardware management. Note pricing, uptime, and risks.

IaaS provides virtualized servers, storage, and networks as on-demand services, while users configure the guest OS, deploy apps, monitor usage, and scale resources as needed.

Explore Amazon Cloud Drive as a cloud storage option with easy install on computer and mobile devices, access content anywhere, two pricing plans, a three-month free trial, and safety guarantee.

Learn how client-side virtualization uses a VMM and hypervisors to run multiple operating systems on one machine, with on-demand cloud resources and the SaaS, PaaS, and IaaS service models.

Identify common server roles such as web, file, print, DHCP, DNS, proxy, mail, and authentication servers, and learn how role services enable management and security, intrusion detection and prevention systems.

Explore how web servers use http to serve pages, translate names with DNS, and manage cookies and ports like 80, with examples such as Apache, Nginx, and IIS.

Enable and verify the web server role in Windows Server 2012 R2 using Server Manager, install IIS, and confirm through localhost to host websites and applications.

Understand how a file server provides centralized access to files and network applications via NAS devices, with NTFS disk quotas, indexing services, and the advantages of centralized storage.

The file server provides networked shared storage for documents, photos, videos, and databases. Watch the Windows demo as it logs in, accesses shared content, and manages folders with administrator privileges.

Operate printers remotely using a print server—software, device, or computer—enabling centralized queue management, status visibility, and remote administration via WMI and print provider.

The demo demonstrates how a print server connects printers to clients, queues jobs, and enables centralized management in Windows Server 2012 R2 by installing print and document services.

Explore how the dynamic host configuration protocol (DHCP) automatically assigns IP addresses, manages leases, prevents conflicts via the Discover–Offer–Request–Ack sequence, and supports dynamic, automatic, and manual allocation, including multicast.

Enable dhcp (dynamic host control protocol) on Windows Server 2012 R2 and install the dhcp server role to automatically assign IP addresses from a range.

The DNS serves as the TCP/IP name resolution service that maps domain names to IP addresses. It stores data linking IP addresses to human readable server names and updates automatically.

Enable DNS on Windows Server 2012 R2 by using Server Manager to add the DNS server role, install with role-based options, and review Active Directory Domain Services integration notes.

Learn how a proxy server intermediates between clients and remote servers, enables caching and reverse proxying, supports virtual hosting, and differentiates transparent, anonymous, distorting, and high anonymity proxies.

Explore how mail servers handle, store, and deliver emails, with outgoing smtp and incoming pop3/imap servers, and mime-enabled data transfers over the internet.

Explore authentication servers, how they verify identities with credentials and encrypted tickets for access, and how authorization uses this basis with algorithms like passwords, Kerberos, and public key encryption.

Review key concepts from the chapter and recognize that the print management snap-in manages multiple printers or print servers and migrates printers to and from other Windows print servers.

Explore unified threat management (UTM) and intrusion detection and prevention systems, combining firewall, gateway antivirus, spam and web filtering, and protection features in one appliance for small to medium businesses.

Explore how intrusion detection systems monitor network and host activity to detect suspicious or malicious traffic, identify probes and attacks, and report incidents to administrators.

An intrusion prevention system preemptively identifies threats in network traffic and enforces administrator-defined rules to block, drop, quarantine, or log malicious packets while forwarding legitimate traffic with minimal disruption.

Conclude the course with a final question on UTMs and review their security features: firewall, VPN, gateway anti-virus, anti-spam, intrusion prevention, application control, content filtering, bandwidth management, and centralized reporting.

Install and configure Windows Server roles including web, file, print, DHCP, DNS, proxy, mail, authentication to manage services and address threats with intrusion detection, prevention, and unified threat management tools.

Identify how operating system issues arise, including boot problems and missing files or configuration files, and learn malware removal best practices for Windows security symptoms.

Explore screens of death, such as the blue screen of death, their hardware and software causes, and how to diagnose boot issues with safe mode, restore point, and startup repair.

Diagnose spontaneous reboots by testing hardware, misconfigurations, and drivers; boot in safe mode, rollback updates, and run Microsoft troubleshooting; fix missing dll files and ensure services start reliably.

Update apps after Windows upgrades to fix compatibility issues, or uninstall and reinstall when needed, and boost performance by removing unused programs and updating OS, drivers, and security patches.

Learn to recover from operating system corruption by booting into safe mode and using last known good configuration, System Restore, and uninstalling software. Troubleshoot NTLDR/BOOTMGR boot issues.

Repair or reinstall Windows with the installation disk to fix missing boot files, operating system errors, and boot manager issues such as GRUB or LILO.

Kernel panic on macOS and UNIX systems resembles Blue Screen of Death, caused by hardware failures, faulty kernel extensions, or incorrect permissions, with recovery through OS upgrades and hardware checks.

Explore how BIOS and UEFI boot systems, manage boot order, handle overclocking and very large disks with a GUID partition table, and how Windows SFC protects system files.

Learn to open the command prompt, elevate privileges with run as administrator, and use basic commands like ping and date to test connectivity and time.

Demonstrates using the system file checker (sfc) to check and repair Windows system files via command prompt with administrator privileges. Execute sfc/scan now to scan and repair protected system files.

Explain the Blue Screen of Death and the Black Screen of Death, noting no error messages on the Black Screen and common causes like software errors, faulty connections, and overheating.

Explore how Windows logs record events, use event viewer to troubleshoot application, security, and system events, and learn about recovery options like Recovery Console and WinPE.

Navigate Windows Event Viewer to view logs across Windows logs, custom logs, and applications and service logs. Filter to show errors, inspect event IDs, and access online solutions for troubleshooting.

Demonstrate repairing a hard disk or partition with the check disk tool by running it as administrator from the command prompt and inspecting its stage results.

Learn how msconfig troubleshoots Windows startup, manage services and drivers, understand defragmentation to improve disk access, and use regsvr32 and regedit to manage registry settings and DLL registration.

Discover how to use msconfig, the Windows system configuration tool, across the five tabs—general, boot, services, startup, and tools—to troubleshoot boot and startup issues.

Learn to perform disk defragmentation with the Windows defrag command-line utility, run as administrator, using /u and /v for progress on the c drive, including /e to exclude volumes.

Demonstrates using regedit to view and modify the system registry, run with administrator privileges, export backups before changes, and restore a previous state if issues arise.

Boot into safe mode to run essential files and drivers. Use the command prompt and system recovery options, via installation CD or emergency repair disk, to fix issues before reboot.

Demonstrates booting into safe mode on Windows to troubleshoot boot issues, using advanced boot options and safe mode variants, while showing how basic features and isolation help fix problems.

Automate the creation of a system recovery set with the ASR backup and restore process, backing up the system state, services, and disks, then restoring disk configurations and signatures.

Shows how to use Windows system restore from the control panel to undo changes by selecting a restore point, affecting apps and personal files.

Learn to use Windows add/remove programs (appwiz.cpl) to uninstall, change, or repair applications. The demo shows repairing Oracle VirtualBox via the installation wizard and notes dealing with unavailable network resources.

Automate system recovery using the ASR wizard, performing a two-step backup and restore to protect your operating system.

Block popups and redirects to protect your browser from malware, phishing, and fake security alerts, and learn how host file and DNS poisoning enable redirection and homograph attacks.

Identify slow performance causes from background processes and malware, and troubleshoot internet connectivity by checking the modem, router, proxy settings, reboot when lockups occur, and updates to OS and drivers.

Recognize that crashes occur when a fault forces an application to close, revealing failures and errors; identify causes such as corrupted files, failed updates, malware, and rogue program interactions.

Identify how spam spreads malware via hijacked emails and attachments, and how certificates, SSL, and PKI secure open networks.

Use antivirus and antimalware tools to detect, block, and remove viruses and malware. Explore the terminal for fast commands and learn about system restore points to recover from issues.

Explore Windows Defender antivirus interface, enable real-time protection, update definitions, run quick/full/custom scans, and review history, quarantine, and settings including exclusions and maps options.

Demonstrates enabling and disabling system restore for specific drives via control panel, recovery, and system protection, including configuring disk space and creating restore points.

Identify malware symptoms, isolate the system, boot into safe mode or a boot environment, delete restore points, remove removable media, and keep antivirus signatures up-to-date.

Quarantine infected systems to prevent malware from spreading, and schedule scans and updates for ongoing protection. Disable System Restore to protect restore points, and rely on automated antimalware scans.

Diagnose common operating system issues, including blue screen of death and malware, and apply fixes such as safe mode, system restore, BIOS checks, and SFC to replace corrupted files.