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Networking All-in-One For Dummies® To view this book's Cheat Sheet, simply go to www.dummies.com and search for “Networking All-in-One For Dummies Cheat Sheet” in the Search box. Table of Contents
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4 Introduction About This Book Foolish Assumptions Icons Used in This Book Beyond the Book Where to Go from Here
5 Book 1: Getting Started with Networking Chapter 1: Welcome to Networking Defining a Network Delving into Network Lingo Why Bother with a Network? Servers and Clients Dedicated Servers and Peers What Makes a Network Tick? Putting the Pieces Together Networks Big and Small It’s Not a Personal Computer Anymore! The Network Administrator Chapter 2: Network Infrastructure Introducing Infrastructure Understanding Network Protocols and Standards Recognizing Network Topology Considering Cable Perusing Ports, Interfaces, and MAC Addresses Pondering Packets Contemplating Collisions Dealing with Broadcast Packets Examining Wireless Networks Chapter 3: Switches, Routers, and VLANs Understanding Switches Looking Deeper into Switches Understanding Routers Understanding VLANs Chapter 4: Cybersecurity But We’re a Small Business — Do We Need Security? The Two Pillars of Cybersecurity Cybersecurity Frameworks The NIST Cybersecurity Framework Chapter 5: Servers and Virtualization Understanding Network Operating Systems What’s Important in a Server Components of a Server Computer Considering Server Form Factors Considering Virtualization Chapter 6: Cloud Computing Introducing Cloud Computing Looking at the Benefits of Cloud Computing Detailing the Drawbacks of Cloud Computing Examining Three Basic Kinds of Cloud Services Public Clouds versus Private Clouds Introducing Some of the Major Cloud Providers Getting Into the Cloud
6 Book 2: Understanding Network Protocols Chapter 1: Network Protocols and Standards Understanding Protocols Understanding Standards Seeing the Seven Layers of the OSI Reference Model Following a Packet through the Layers The Ethernet Protocol The TCP/IP Protocol Suite Other Protocols Worth Knowing About Chapter 2: TCP/IP and the Internet What Is the Internet? A Little Internet History TCP/IP Standards and RFCs The TCP/IP Protocol Framework Chapter 3: IP Addresses Understanding Binary Introducing IP Addresses Classifying IP Addresses Subnetting Pondering Ports Understanding Network Address Translation Chapter 4: Routing Considering the Usefulness of Routers Understanding Routing Tables Chapter 5: DHCP Understanding DHCP Understanding Scopes Working with a DHCP Server How to Configure a Windows DHCP Client Chapter 6: DNS Understanding DNS Names Top-Level Domains The Hosts File Understanding DNS Servers and Zones Understanding DNS Queries Zone Files and Resource Records Reverse Lookup Zones Working with the Windows DNS Server How to Configure a Windows DNS Client Chapter 7: TCP/IP Tools and Commands Using the arp Command Using the hostname Command Using the ipconfig Command Using the nbtstat Command Using the netstat Command Using the nslookup Command Using the pathping Command Using the ping Command Using the route Command Using the tracert Command
7 Book 3: Planning a Network Chapter 1: Local Area Networks Making a Network Plan Being Purposeful Taking Stock Considering Cable Surmising Switches Planning the Network Topology Planning the TCP/IP Implementation Drawing Diagrams More Questions Your Network Plan Should Address Chapter 2: Wide Area Networks Connecting to the Internet Choosing a Router Securing Your Connection with a Firewall Providing Redundancy for Your Internet Connection Securing Connections to Remote Locations and Remote Users Connecting Remote Offices with an Ethernet Private Line Chapter 3: Server Architecture Deciding How Many Servers You Need Deciding Which Servers You Need Connecting Your Servers Chapter 4: Virtualization Architecture Understanding Virtualization Understanding Hypervisors Understanding Virtual Disks Understanding Network Virtualization Considering the Benefits of Virtualization Choosing Virtualization Hosts Understanding Windows Server 2019 Licensing Chapter 5: Storage Architecture Planning Disk Capacity Considering Disk Drive Types Considering Drive Interfaces Considering RAID Considering Attachment Types Chapter 6: Backup Architecture Backup Basics Considering Three Basic Types of Backup Where to Back Up Your Data Backing Up to Tape Backing Up to NAS Using a Backup Appliance Understanding File-Based Backup Understanding Image-Based Backups and Virtualization Backup Security Chapter 7: Hyperconverged Infrastructure Considering the Headaches of Traditional IT Architecture Defining Hyperconverged Infrastructure Discerning Deduplication Understanding How Deduplication Works Considering Backup Digging into HCI Clusters Incorporating HCI Into Your Plan
8 Book 4: Implementing a Network Chapter 1: Network Hardware Working with Cable Installing Switches Chapter 2: Wireless Networks Installing a Wireless Access Point Configuring a Wireless Access Point Connecting to a Wireless Network Paying Attention to Wireless Network Security Chapter 3: Windows Clients Configuring Network Connections Joining a Domain Chapter 4: Mac Networking Basic Mac Network Settings Joining a Domain Connecting to a Share Chapter 5: Network Printers Configuring Network Printers Chapter 6: Virtual Private Networks Understanding VPN Looking at VPN Security Understanding VPN Servers and Clients
9 Book 5: Implementing Virtualization Chapter 1: Hyper-V Understanding the Hyper-V Hypervisor Understanding Hyper-V Virtual Disks Enabling Hyper-V Getting Familiar with Hyper-V Creating a Virtual Switch Creating a Virtual Disk Creating a Virtual Machine Installing an Operating System Chapter 2: VMware Looking at vSphere Getting Started with VMware Workstation Pro Creating a Virtual Machine Installing VMware Tools Chapter 3: Azure Looking at Azure Services Creating an Azure Account Examining the Azure Portal Creating a Windows Virtual Machine Managing an Azure Virtual Machine Connecting to an Azure Virtual Machine Chapter 4: Amazon Web Services Looking at What Amazon Web Services Can Do Creating an Amazon Web Services Account Examining the Amazon Web Services Console Creating a Windows Virtual Machine Managing an Amazon Web Services Virtual Machine Connecting to an Amazon Web Services Virtual Machine Chapter 5: Desktop Virtualization Introducing Desktop Virtualization Considering Two Approaches to Desktop Virtualization Looking at VMware’s Horizon View Looking at Citrix XenApp
10 Book 6: Implementing Windows Server 2019 Chapter 1: Installing Windows Server 2019 Planning a Windows Server Installation Before You Install … Running Setup Considering Your Next Steps Adding Server Roles and Features Chapter 2: Configuring Windows Server 2019 Using the Administrator Account Using Remote Desktop Connection Using Microsoft Management Console Customizing MMC Chapter 3: Configuring Active Directory What Directories Do Remembering the Good Ol’ Days of NT Domains Active Directory to the Rescue Understanding How Active Directory Is Structured Creating a New Domain Creating an Organizational Unit Chapter 4: Configuring User Accounts Understanding Windows User Accounts Creating a New User Setting User Properties Resetting User Passwords Disabling and Enabling User Accounts Deleting a User Working with Groups Working with User Profiles Creating a Logon Script Chapter 5: Configuring a File Server Understanding Permissions Understanding Shares Considering Best Practices for Setting Up Shares Managing Your File Server Chapter 6: Using Group Policy Understanding Group Policy Enabling Group Policy Management on Windows Server 2019 Creating Group Policy Objects Filtering Group Policy Objects Chapter 7: Typing Windows Commands Using a Command Window Special Command Tricks The EventCreate Command Net Commands The RunAs Command Chapter 8: Using PowerShell Using PowerShell Understanding PowerShell Commands Using Cmdlets Using Parameters Getting Help Using Aliases Using the Pipeline Using Providers Using Scripts
11 Book 7: Administering Microsoft Office 365 Chapter 1: Getting Started with Office 365 Administration Introducing Office 365 Considering Office 365 Plans Understanding Tenants Creating an Office 365 Tenant Creating a New User Resetting a User’s Password Disabling a User Chapter 2: Configuring Exchange Online Looking at Exchange Online Recipient Types Examining the Exchange Admin Center Managing Mailboxes Creating a Shared Mailbox Chapter 3: Administering Teams What Is Teams? A Brief Look at How Teams Works Using the Teams Admin Center Managing Teams
12 Book 8: Implementing Linux Chapter 1: Installing a Linux Server Planning a Linux Server Installation Installing Fedora Server Chapter 2: Linux Administration On Again, Off Again Wait, Where’s the Desktop? Playing the Shell Game Getting into Virtual Consoles Using a Remote Console Enabling the root User Using the sudo Command Using the RPM Package Manager Editing Text Files with Vi Using Cockpit Managing User Accounts Chapter 3: Basic Linux Network Configuration Using Cockpit to Configure Network Interfaces Working with Network Configuration Files Displaying Your Network Configuration with the ifconfig Command Chapter 4: Running DHCP and DNS Running a DHCP Server Running a DNS Server Chapter 5: Doing the Samba Dance Understanding Samba Installing Samba Starting and Stopping Samba Editing the smb.conf File Using the Samba Client Chapter 6: Running Apache Installing Apache Starting and Stopping Apache Opening the Firewall for Apache Confirming That Apache Is Running Looking at the httpd.config File Understanding Access Rules Configuring Virtual Hosts Chapter 7: Running Postfix Understanding Email Installing Postfix Modifying main.cf Using SpamAssassin Using the Mail Console Client Chapter 8: Linux Commands Command Shell Basics Directory- and File-Handling Commands Commands for Working with Packages and Services Commands for Administering Users Commands for Managing Ownership and Permissions Networking Commands
13 Book 9: Managing a Network Chapter 1: Welcome to Network Administration Knowing What Network Administrators Do Choosing the Part-Time Administrator Establishing Routine Chores Managing Network Users Patching Up Your Operating System and Software Discovering Software Tools for Network Administrators Building a Library Getting Certified Gurus Need Gurus, Too Helpful Bluffs and Excuses Chapter 2: Managing Remotely Enabling Remote Desktop Connection Connecting Remotely Using Keyboard Shortcuts for Remote Desktop Configuring Remote Desktop Options Using Remote Assistance Enabling Remote Assistance Inviting Someone to Help You via a Remote Assistance Session Responding to a Remote Assistance Invitation Chapter 3: Managing Network Assets Introducing IT Asset Management Why Bother? Getting Organized What to Track Taking Pictures Picking a Number Making Labels Tracking Software Using Asset-Tracking Software Other Sources of Asset-Tracking Information Chapter 4: Solving Network Problems When Bad Things Happen to Good Computers Fixing Dead Computers Ways to Check a Network Connection A Bunch of Error Messages Just Flew By! Double-Checking Your Network Settings Time to Experiment Who’s on First? Restarting a Client Computer Booting in Safe Mode Using System Restore Restarting Network Services Restarting a Network Server Looking at Event Logs Documenting Your Trials and Tribulations Chapter 5: Managing Software Deployment Understanding Software Licenses Using a License Server Options for Deploying Network Software Keeping Software Up to Date Chapter 6: Managing Mobile Devices The Many Types of Mobile Devices Considering Security for Mobile Devices Managing iOS Devices Managing Android Devices
14 Book 10: Dealing with Cybersecurity Chapter 1: Securing Your Users Knowing the Difference between Authentication and Authorization Following Password Best Practices Securing the Administrator Account Understanding Multifactor Authentication Securing the Human Firewall Chapter 2: Managing Firewalls and Virus Protection Firewalls The Many Types of Firewalls Firewall Best Practices The Built-In Windows Firewall Configuring Windows Defender Firewall with Group Policy Virus Protection Chapter 3: Dealing with Spam Defining Spam Sampling the Many Flavors of Spam Using Antispam Software Understanding Spam Filters Looking at Three Types of Antispam Software Minimizing Spam Chapter 4: Managing Disaster Recovery and Business Continuity Planning Assessing Different Types of Disasters Analyzing the Impact of a Disaster Developing a Business Continuity Plan Holding a Fire Drill
15 Book 11: Appendixes Appendix A: Directory of Useful Websites Certification Hardware Home and Small-Business Networking Linux Magazines Microsoft Network Standards Organizations Reference TCP/IP and the Internet Wireless Networking Smartphones Appendix B: Glossary
16 Index
