You are previewing Mike Meyers' CompTIA Network+ Certification Passport, Fourth Edition (Exam N10-005).
O'Reilly logo
Mike Meyers' CompTIA Network+ Certification Passport, Fourth Edition (Exam N10-005)

Book Description

From the #1 Name in Professional Certification

Prepare for CompTIA Network+ Exam N10-005 with McGraw-Hill—a Gold-Level CompTIA Authorized Partner offering Authorized CompTIA Approved Quality Content to give you the competitive edge on exam day.

Get on the fast track to becoming CompTIA Network+ certified with this affordable, portable study tool. Inside, networking expert Mike Meyers guides you on your career path, providing expert tips and sound advice along the way. With an intensive focus only on what you need to know to pass the CompTIA Network+ Exam N10-005, this certification passport is your ticket to success on exam day.

Featuring:

• Test engine with two practice exams on CD

• Itineraries--List of official exam objectives covered

• ETAs--Amount of time needed to complete each lesson

• Local Lingo--Concise definitions of key terms and concepts

• Travel Assistance--Recommended resources for more information

• Exam Tips--Common exam pitfalls and solutions

• Checkpoints--End-of-chapter questions, answers, and explanations

• Career Flight Path--Career options mapped out to maximize the return from your IT journey

Table of Contents

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