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Index
Check-In 1 Network Fundamentals Objective 1.01   Overview of How Networks Work Servers and Clients Network Components Ethernet Hubs and Switches Software Applications Connecting LANs Objective 1.02   The OSI Seven-Layer Model The Layers and What They Represent Layer 1: Physical Layer Layer 2: Data Link Layer Layer 3: Network Layer Layer 4: Transport Layer Layer 5: Session Layer Layer 6: Presentation Layer Layer 7: Application Layer Using the Seven-Layer Model Objective 1.03   The TCP/IP Model The Link Layer The Internet Layer The Transport Layer Connection-oriented vs. Connectionless Communication Segments Within Packets and Datagrams Within Packets The Application Layer CHECKPOINT REVIEW QUESTIONS REVIEW ANSWERS 2 Network Media Objective 2.01   Coaxial Cabling Coaxial Cable Types Coaxial Connectors Objective 2.02   Twisted-Pair Cabling UTP Cable Types Variations in Core Wires and Sheath Materials UTP Connectors UTP Wiring Standards T568A and T568B Wiring Standards Straight-through and Crossover Cables Rollover and Loopback Wiring Distribution Patch Panel Cross-connects, MDF, and IDF UTP Testing Objective 2.03   Optical Fiber Optical Fiber Connectors Uses for Fiber Implementing Multiple Types of Ethernet Objective 2.04   Wireless Media Types 802.11 Wireless Networks Wireless Basics BSSID, SSID, and ESSID Wireless Standards Wireless Frequency Ranges Laser Links Bluetooth Infrared Wireless Networking CHECKPOINT REVIEW QUESTIONS REVIEW ANSWERS 3 Network Topologies and Standards Objective 3.01   The Bus Topology and Ethernet Ethernet Overview How Ethernet Works CSMA/CD Collisions Termination Cable Breaks Broadcast Bonding Ethernet Standards Ethernet on the Bus Objective 3.02   The Star Bus Topology 10BaseT and 100BaseT Gigabit Ethernet 10/100/1000BaseT Summary 10 Gigabit Ethernet (10 GbE) Objective 3.03   Ring Topologies Objective 3.04   Other Topologies Mesh Topology Point-to-point and Point-to-multipoint CSMA/CA CHECKPOINT REVIEW QUESTIONS REVIEW ANSWERS 4 Network Hardware Objective 4.01   Network Interfaces MAC Address Organizing the Data: Ethernet Frames Preamble Destination and Source MAC Addresses Type Data Frame Check Sequence Objective 4.02   Repeaters, Hubs, and Bridges Objective 4.03   Switched Ethernet The Trouble with Hubs Switches to the Rescue Spanning Tree Protocol Objective 4.04   Connecting Ethernet Segments Uplink Ports Crossover Cables Objective 4.05   Routers Objective 4.06   Wireless Access Points CHECKPOINT REVIEW QUESTIONS REVIEW ANSWERS 5 TCP/IP Objective 5.01   The TCP/IP Protocol Suite Application Protocols Port Numbers Sockets List of Application Protocols Compound Application Protocols Transport Protocols TCP UDP Internet Protocols Internet Protocol Internet Control Message Protocol (ICMP) Objective 5.02   IPv4 Addressing IP Addresses IP Addresses in Action Network IDs Interconnecting Subnet Mask Class IDs Private vs Public IP Addresses Need for Changes Objective 5.03   CIDR and Subnetting Subnetting Calculating Hosts Your First Subnet Calculating Subnets Objective 5.04   IPv6 Addressing IPv6 Addresses IPv6 Protocols ICMPv6 Objective 5.05   Domain Name System DNS Records DHCP Living with DHCP CHECKPOINT REVIEW QUESTIONS REVIEW ANSWERS 6 Routing Objective 6.01   Routing Tables Freedom from Layer 2 Objective 6.02   Network Address Translation The Setup Port Address Translation Port Forwarding Configuring NAT Objective 6.03   Dynamic Routing Routing Metrics Distance Vector RIPv1 RIPv2 BGP Link State OSPF IS-IS EIGRP—The Lone Hybrid Dynamic Routing Makes the Internet CHECKPOINT REVIEW QUESTIONS REVIEW ANSWERS 7 Virtualization Objective 7.01   Virtual LANs Trunking Configuring a VLAN-capable Switch VLAN Trunking Protocol InterVLAN Routing Objective 7.02   Virtual Computing Meet the Hypervisor Why Do We Virtualize? Power Saving Hardware Consolidation System Recovery System Duplication Research Objective 7.03   Virtualization in Modern Networks VMMs and Hypervisors Virtual Machine Managers VMware Workstation Virtual PC Parallels KVM Hypervisors ESX HyperV Virtual Switches Virtual PBX Network as a Service CHECKPOINT REVIEW QUESTIONS REVIEW ANSWERS 8 Wide Area Networking Objective 8.01   Telephony and Beyond The Dawn of Long Distance Digital Telephony It All Starts with DS0 Copper Carriers: T1 and T3 Fiber Carriers: SONET/SDH and OC Packet Switching Frame Relay ATM MPLS Real-World WAN Alternative to Telephony WAN Objective 8.02   The Last Mile Dial-up Public Switched Telephone Network ISDN DSL SDSL ADSL VDSL DSL Features Installing DSL Cable Modems Satellite Cellular WAN Mobile Data Services 802.16 LTE Fiber BPL Which Connection? Going Connection Shopping Objective 8.03   Using Remote Access Dial-up to the Internet Private Dial-Up Dedicated Connection DSL and Cable Cable Issues Remote Terminal VoIP RTP SIP and H.323 Skype Streaming Media with RSTP CHECKPOINT REVIEW QUESTIONS REVIEW ANSWERS 9 Network Security Objective 9.01   Common Threats System Crash/Hardware Failure Administrative Access Control Malware Virus Worm Macro Virus Trojan Rootkit Adware/Spyware Dealing with Malware Antimalware Programs Social Engineering Phishing Man in the Middle Denial of Service Physical Intrusion Attacks on Wireless Connections Leeching Cracking Wireless Encryption Rogue Access Points Evil Twin Objective 9.02   Securing User Accounts Authentication Authentication Principles Authentication Protocols Authorization Logon and Access Security Implementing Share-Level Security Implementing User-Level Security Using Passwords Objective 9.03   Firewalls Hiding the IPs Port Filtering Packet Filtering MAC Filtering Personal Firewalls Network Zones Vulnerability Scanners Objective 9.04   Securing Remote Connections IPsec Virtual Private Networks PPTP VPNs L2TP VPNs SSL VPNs CHECKPOINT REVIEW QUESTIONS REVIEW ANSWERS 10 The Complete Network Objective 10.01   Designing and Implementing a SOHO Network Define the Network Needs Network Design Compatibility Issues Internal Connections External Connections Peripherals Security Objective 10.02   Implementing a Wireless Network Installing the Access Point Set the Admin Password Change Wireless Settings Implement MAC Filtering Implement Encryption Upgrade the Antenna Security Concerns with Signaling Installing the Client Troubleshooting Wireless Networking Objective 10.03   Specialized Network Devices Objective 10.04   Network Configuration Management Configuration Management Documentation Network Connectivity Baselines Policies, Procedures, and Configurations Regulations Change Management Documentation CHECKPOINT REVIEW QUESTIONS REVIEW ANSWERS 11 Troubleshooting Networks Objective 11.01   The Troubleshooting Process Identify the Problem Gather Information, Identify Symptoms, and Question Users Determine If Anything Has Changed Establish a Theory of Probable Cause Test the Theory to Determine Cause Establish a Plan of Action and Identify Potential Effects Implement and Test the Solution or Escalate as Necessary Verify Full System Functionality and Implement Preventative Measures Document Findings, Actions, and Outcomes Objective 11.02   Troubleshooting Network Hardware Power Issues Network Media Visual Indications of Problems Check the NIC Bad Modules Troubleshooting Other Physical Network Issues Issues That Need To Be Escalated Objective 11.03   Testing Equipment Multimeters Tone Locators and Toner Probes Cable Testers CHECKPOINT REVIEW QUESTIONS REVIEW ANSWERS 12 Network Utilities and Optimization Objective 12.01   TCP/IP Utilities ipconfig and ifconfig ipconfig ifconfig tracert arp netstat nbtstat nslookup arping dig mtr route Objective 12.02   Troubleshooting Network Performance Protocol Analyzers Throughput Testers Network Performance Optimization Caching Controlling Data Throughput ISPs and MTUs Objective 12.03   Monitoring Networks Establishing a Baseline Performance Monitor Network Monitor Checking System Logs Logs and Network Traffic SNMP CHECKPOINT REVIEW QUESTIONS REVIEW ANSWERS A Career Flight Path CompTIA Server+ Certification CompTIA Security+ Certification Microsoft Certified Technology Specialist (MCTS) Certifications Cisco Certifications B About the Download System Requirements Installing and Running Total Tester About Total Tester Playing Mike’s Intro Video Mike’s Cool Tools Boson’s NetSim Network Simulator Technical Support Boson Technical Support Glossary Index
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