Networking Fundamentals

A clear and concise resource on Windows networking, perfect for IT beginners Did you know that nearly 85% of IT support roles require a good understanding of networking concepts? If you are looking to advance your IT career, you will need a foundational understanding of Windows networking. Network Fundamentals covers everything you need to know about network infrastructures, hardware, protocols, and services. You will learn everything you need to gain the highly in-demand Networking Fundamentals MTA Certification. This entry-level credential could be your first step into a rewarding, stable and lucrative IT career. This new Sybex guide covers the basics of networking starting from the “ground level,” so no previous IT knowledge is required. Each chapter features approachable discussion of the latest networking technologies and concepts, closing with a quiz so you can test your knowledge before moving to the next section. Even if you are brand new to computers, Network Fundamentals will guide you to confidence and mastery. Understand wired and wireless networks in every detail Learn everything you need to attain the Networking Fundamentals MTA Certification Test your knowledge with end-of-chapter quiz questions Understand internet protocol (IP) and categorize IPv4 addresses Work with networking services and area networks Define network infrastructures and network security, including intranets, extranets, and VPNs Beginning and established IT professionals looking to understand more about networking will gain the knowledge to create a network diagram and confidently explain basic networking concepts. Thanks to the features in this book, you will be able to apply your new networking skills in real world situations and feel confident when taking the certification test.

Table of Contents:
Introduction xv Lesson 1 Understanding Local Area Networking 1 Examining Local Area Networks, Devices, and Data Transfer 3 Defining the LAN 3 Identifying Types of LANs 20 Getting to Know Perimeter Networks 23 Identifying Network Topologies and Standards 25 Identifying Network Topologies 25 Defining Ethernet Standards 29 Identifying the Differences Between Client/Server and Peer-to-Peer 32 Skill Summary 36 Knowledge Assessment 38 Multiple Choice 38 Fill in the Blank 40 Business Case Scenarios 41 Scenario 1-1: Planning and Documenting a Basic LAN 41 Scenario 1-2: Selecting the Correct Networking Model 41 Scenario 1-3: Selecting Network Adapters for Your LAN Computers 41 Scenario 1-4: Configuring the Correct Subnet Mask 41 Solutions to Business Case Scenarios 42 Lesson 2 Defining Networks with the OSI Model 43 Understanding OSI Basics 45 Defining the OSI Model Layers 46 Defining the Communications Subnetwork 48 Define the Physical Layer 49 Define the Data Link Layer 51 Understanding Layer 2 Switching 52 Understanding Layer 3 Switching 56 Understanding Characteristics of Switches 56 Defining the Upper OSI Layers 58 Defining the Transport Layer 59 Defining the Session Layer 62 Defining the Presentation Layer 63 Defining the Application Layer 64 Reviewing the OSI Layers 65 Defining the TCP/IP Model 67 Skill Summary 68 Knowledge Assessment 69 Multiple Choice 69 Fill in the Blank 71 Business Case Scenarios 71 Scenario 2-1: Installing the Appropriate Switch 71 Scenario 2-2: Defining the IP Address and Ports Used by Destination Servers 72 Scenario 2-3: Ensuring a Newly Created Email Account’s Logon is Encrypted 72 Scenario 2-4: Creating a Permanent ARP Table Entry 72 Lesson 3 Understanding Wired and Wireless Networks 75 Recognizing Wired Networks and Media Types 77 Identifying and Working with Twisted-Pair Cables 77 Identifying and Working with Fiber-Optic Cable 86 Understanding Wireless Networks 89 Identifying Wireless Devices 89 Identifying Wireless Networking Standards 91 Skill Summary 97 Knowledge Assessment 98 Multiple Choice 98 Fill in the Blank 100 Business Case Scenarios 100 Scenario 3-1: Selecting Channels for a WLAN 100 Scenario 3-2: Running Cable Drops Properly 100 Scenario 3-3: Selecting Network Adapters for Your WLAN Computers 101 Scenario 3-4: Securing a WLAN 101 Lesson 4 Understanding Internet Protocol 103 Working with IPV4 105 Categorizing IPv4 Addresses 105 Default Gateways and DNS Servers 114 Defining Advanced IPv4 Concepts 117 Working with IPV6 129 Understanding IPv6 130 Configuring IPv6 133 Skill Summary 140 Knowledge Assessment 142 Multiple Choice 142 Fill in the Blank 144 Business Case Scenarios 145 Scenario 4-1: Defining a Private Class C IP Network 145 Scenario 4-2: Specifying the Correct Device 145 Scenario 4-3: Implementing the Correct Class Network 145 Scenario 4-4: Implementing the Correct Subnet Mask 145 Lesson 5 Implementing TCP/IP in the Command Line 147 Using Basic TCP/IP Commands 149 Working with the Command Prompt Window 149 Using ipconfig and ping 152 Working with Advanced TCP/IP Commands 162 Using netstat and nbtstat 162 Using tracert and pathping 167 Using nslookup 170 Using ftp and telnet 171 Using Windows PowerShell 173 Using net 180 Skill Summary 188 Knowledge Assessment 189 Multiple Choice 189 Fill in the Blank 192 Business Case Scenarios 195 Scenario 5-1: Connecting to an FTP Server 195 Scenario 5-2: Troubleshooting TCP/IP Results 195 Scenario 5-3: Documenting a Basic Wide Area Network 196 Scenario 5-4: Using Advanced Ping 196 Lesson 6 Working with Networking Services 199 Setting Up Common Networking Services 201 Working with the Dynamic Host Configuration Protocol (DHCP) 202 Introducing Remote Administration 208 Enable Remote Desktop 210 Access Remote Desktop 210 Defining More Networking Services 213 Defining RRAS 213 Defining IPsec 217 Defining Name Resolution Techniques 218 Defining DNS 218 Defining WINS 222 Skill Summary 223 Knowledge Assessment 225 Multiple Choice 225 Fill in the Blank 227 Business Case Scenarios 227 Scenario 6-1: Selecting the Appropriate Services 227 Scenario 6-2: Selecting the Appropriate Services 228 Scenario 6-3: Setting Up a DHCP Server 228 Scenario 6-4: Setting Up a New DHCP and Migrating Old Computers 228 Scenario 6-5: Managing Remote Connections 228 Lesson 7 Understanding Wide Area Networks 231 Understanding Routing 233 Identifying Static and Dynamic Routing 233 Understanding Quality of Service (QOS) 237 Defining Common WAN Technologies and Connections 239 Defining Packet Switching 239 Defining T-Carriers 249 Defining Other WAN Technologies and Internet Connectivity 250 Skill Summary 252 Knowledge Assessment 254 Multiple Choice 254 Fill in the Blank 256 Business Case Scenarios 256 Scenario 7-1: Selecting the Appropriate Service and Protocol 256 Scenario 7-2: Selecting the Appropriate WAN Technology 256 Scenario 7-3: Recommending the Right Service 257 Scenario 7-4: Setting Up Routes to Other Networks 257 Lesson 8 Defining Network Infrastructures and Network Security 259 Understanding Networks Outside the LAN 261 Defining the Internet 261 Defining Intranets and Extranets 262 Configuring VPN Connections and Authentication 264 Selecting Types of VPN Protocols 265 Selecting Authentication for VPN Connections 267 Creating a VPN Connection Using the Create a VPN Connection Wizard 268 Creating a VPN Connection Using Windows 10 Settings 270 Using Connection Manager (CM) and the Connection Manager Administration Kit (CMAK) 272 Understanding Security Devices and Zones 273 Defining Firewalls and Other Perimeter Security Devices 273 Redefining the DMZ 277 Putting It All Together 278 Skill Summary 281 Knowledge Assessment 282 Multiple Choice 282 Fill in the Blank 284 Business Case Scenarios 285 Scenario 8-1: Setting Up a DMZ 285 Scenario 8-2: Selecting the Appropriate Solution 285 Scenario 8-3: Setting Up a PPTP Server 285 Scenario 8-4: Creating a WAN with VPN 286 Appendix Answer Key 289 Lesson 1: Understanding Local Area Networking 290 Answers to Knowledge Assessment 290 Answers to Business Case Scenarios 291 Lesson 2: Defining Networks with the OSI Model 292 Answers to Knowledge Assessment 292 Answers to Business Case Scenarios 293 Lesson 3: Understanding Wired and Wireless Networks 293 Answers to Knowledge Assessment 293 Answers to Business Case Scenarios 294 Lesson 4: Understanding Internet Protocol 295 Answers to Knowledge Assessment 295 Answers to Business Case Scenarios 296 Lesson 5: Implementing TCP/IP in the Command Line 297 Answers to Knowledge Assessment 297 Answers to Business Case Scenarios 298 Lesson 6: Working with Networking Services 298 Answers to Knowledge Assessment 298 Answers to Business Case Scenarios 299 Lesson 7: Understanding Wide Area Networks 301 Answers to Knowledge Assessment 301 Answers to Business Case Scenarios 302 Lesson 8: Defining Network Infrastructure and Network Security 302 Answers to Knowledge Assessment 302 Answers to Business Case Scenarios 303 Index 305