CISCO Networking Academy

IT Essentials: PC Hardware and Software v5.0

Einstiegsportal: https://www.netacad.com ( Erste Anmeldung )

ITE Introduction

  • 0.0 Navigating the Course
    • 0.0.1 Course GUI
      • 0.0.1.1 Activity - Demonstration
  • 0.1 Introduction to Information Technology
    • 0.1.1 Introduction
      • 0.1.1.1 Introduction
  • 0.2 IT Industry
      • 0.2.1 IT Industry Certifications
      • 0.2.1.1 Education and Certifications
      • 0.2.1.2 CompTIA A+ Certification
      • 0.2.1.3 EUCIP
    • 0.2.2 Overview of Technician Jobs
      • 0.2.2.1 Field, Remote, and Bench Technicians
      • 0.2.2.2 Worksheet - Job Opportunities

Chapter 1: Introduction to the Personal Computer

  • 1.0 Introduction to the Personal Computer System
    • 1.0.1 Introduction
      • 1.0.1.1 Introduction
  • 1.1 Personal Computer Systems
    • 1.1.1 Cases and Power Supplies
      • 1.1.1.1 Cases
      • 1.1.1.2 Power Supplies
      • 1.1.1.3 Electricity and Ohm’s Law
      • 1.1.1.4 Worksheet - Ohm’s Law
    • 1.1.2 Internal PC Components
      • 1.1.2.1 Motherboards
      • 1.1.2.2 CPUs
      • 1.1.2.3 Cooling Systems
      • 1.1.2.4 ROM
      • 1.1.2.5 RAM
      • 1.1.2.6 Memory Modules
      • 1.1.2.7 Adapter Cards and Expansion Slots
      • 1.1.2.8 Storage Devices and RAID
      • 1.1.2.9 Internal Cables
    • 1.1.3 External Ports and Cables
      • 1.1.3.1 Video Ports and Cables
      • 1.1.3.2 Other Ports and Cables
    • 1.1.4 Input and Output Devices
      • 1.1.4.1 Input Devices
      • 1.1.4.2 Output Devices
      • 1.1.4.3 Monitor Characteristics
  • 1.2 Selecting Replacement Computer Components
    • 1.2.1 Selecting PC Components
      • 1.2.1.1 Case and Power Supply
      • 1.2.1.2 Selecting Motherboards
      • 1.2.1.3 Selecting the CPU and Heat Sink and Fan Assembly
      • 1.2.1.4 Selecting RAM
      • 1.2.1.5 Selecting Adapter Cards
      • 1.2.1.6 Selecting Hard Drives and Floppy Drives
      • 1.2.1.7 Selecting Solid State Drives and Media Readers
      • 1.2.1.8 Selecting Optical Drives
      • 1.2.1.9 Selecting External Storage
      • 1.2.1.10 Selecting Input and Output Devices
      • 1.2.1.11 Worksheet - Research Computer Components
  • 1.3 Configurations for Specialized Computer Systems
  • 1.3.1 Specialized Computer Systems
      • 1.3.1.1 CAx Workstations
      • 1.3.1.2 Audio and Video Editing Workstations
      • 1.3.1.3 Virtualization Workstations
      • 1.3.1.4 Gaming PCs
      • 1.3.1.5 Home Theater PCs
      • 1.3.1.6 Worksheet - Build a Specialized Computer System
  • 1.4 Introduction to the Personal Computer
    • 1.4.1 Summary
      • 1.4.1.1 Summary

Chapter 1 Quiz

Chapter 2: Lab Procedures and Tool Use

  • 2.0 Lab Procedures and Tool Use
    • 2.0.1 Introduction
      • 2.0.1.1 Introduction
  • 2.1 Safe Lab Procedures
    • 2.1.1 Procedures to Protect People
      • 2.1.1.1 General Safety
      • 2.1.1.2 Electrical Safety
      • 2.1.1.3 Fire Safety
    • 2.1.2 Procedures to Protect Equipment and Data
      • 2.1.2.1 ESD and EMI
      • 2.1.2.2 Power Fluctuation Types
      • 2.1.2.3 Power Protection Devices
      • 2.1.3 Procedures to Protect the Environment
      • 2.1.3.1 Material Safety and Data Sheet
      • 2.1.3.2 Equipment Disposal
  • 2.2 Proper Use of Tools
    • 2.2.1 Hardware Tools
      • 2.2.1.1 General Tool Use
      • 2.2.1.2 ESD Tools
      • 2.2.1.3 Hand Tools
      • 2.2.1.4 Cleaning Tools
      • 2.2.1.5 Diagnostic Tools
    • 2.2.2 Software Tools
      • 2.2.2.1 Disk Management Tools
      • 2.2.2.2 Protection Software Tools
      • 2.2.2.3 Worksheet - Diagnostic Software
    • 2.2.3 Organizational Tools
      • 2.2.3.1 Reference Tools
      • 2.2.3.2 Miscellaneous Tools
    • 2.2.4 Demonstrate Proper Tool Use
      • 2.2.4.1 Antistatic Wrist Strap
      • 2.2.4.2 Antistatic Mat
      • 2.2.4.3 Hand Tools
      • 2.2.4.4 Lab - Using a Multimeter and a Power Supply Tester
      • 2.2.4.5 Lab - Testing UTP Cables Using a Loopback Plug and a Cable Meter
      • 2.2.4.6 Cleaning Materials
      • 2.2.4.7 Lab - Computer Disassembly
  • 2.3 Lab Procedures and Tool Use
    • 2.3.1 Summary
      • 2.3.1.1 Summary

Chapter 2 Quiz

Chapter 3: Computer Assembly

  • 3.0 Computer Assembly
    • 3.0.1 Introduction
      • 3.0.1.1 Introduction
  • 3.1 Computer Assembly
    • 3.1.1 Open the Case and Install the Power Supply
      • 3.1.1.1 Open the Case
      • 3.1.1.2 Install the Power Supply
      • 3.1.1.3 Lab - Install the Power Supply
    • 3.1.2 Install the Motherboard
      • 3.1.2.1 Install the CPU, Heat Sink and Fan Assembly
      • 3.1.2.2 Install RAM
      • 3.1.2.3 Install the Motherboard
      • 3.1.2.4 Lab - Install the Motherboard
    • 3.1.3 Install the Drives
      • 3.1.3.1 Install the Internal Drive
      • 3.1.3.2 Install the Optical Drive
      • 3.1.3.3 Install the Floppy Drive
      • 3.1.3.4 Lab - Install the Drives
    • 3.1.4 Install the Adapter Cards
      • 3.1.4.1 Types of Adapter Cards
      • 3.1.4.2 Install a NIC
      • 3.1.4.3 Install a Wireless NIC
      • 3.1.4.4 Install a Video Adapter Card
      • 3.1.4.5 Lab - Install Adapter Cards
    • 3.1.5 Install the Cables
      • 3.1.5.1 Install the Internal Power Cables
      • 3.1.5.2 Install the Internal Data Cables
      • 3.1.5.3 Lab - Install Internal Cables
      • 3.1.5.4 Install the Front Panel Cables
      • 3.1.5.5 Lab - Install Front Panel Cables
      • 3.1.5.6 Install the Case Assembly
      • 3.1.5.7 Install the External Cables
      • 3.1.5.8 Lab - Complete the Computer Assembly
  • 3.2 Boot the Computer
    • 3.2.1 POST and BIOS
      • 3.2.1.1 BIOS Beep Codes and Setup
      • 3.2.1.2 BIOS Setup
    • 3.2.2 BIOS Configuration
      • 3.2.2.1 BIOS Component Information
      • 3.2.2.2 BIOS Configurations
      • 3.2.2.3 BIOS Security Configurations
      • 3.2.2.4 BIOS Hardware Diagnostics and Monitoring
      • 3.2.2.5 Lab - Boot the Computer
  • 3.3 Upgrading and Configuring a PC
    • 3.3.1 Motherboard and Related Components
      • 3.3.1.1 Motherboard Component Upgrades
      • 3.3.1.2 Upgrade the Motherboard
      • 3.3.1.3 Upgrade CPU and Heat Sink and Fan Assembly
      • 3.3.1.4 Upgrade the RAM
      • 3.3.1.5 Upgrade the BIOS
      • 3.3.1.6 Lab - BIOS File Search
    • 3.3.2 Storage Devices
      • 3.3.2.1 Upgrade Hard Drives and RAID
    • 3.3.3 Input and Output Devices
      • 3.3.3.1 Upgrade Input and Output Devices
      • 3.3.3.2 Worksheet - Upgrade Hardware
  • 3.4 Computer Assembly
    • 3.4.1 Summary
      • 3.4.1.1 Summary

Chapter 3 Quiz

Chapter 4: Overview of Preventative Maintenance

  • 4.0 Overview of Preventive Maintenance
    • 4.0.1 Introduction
      • 4.0.1.1 Introduction
  • 4.1 Preventive Maintenance
    • 4.1.1 PC Preventive Maintenance Overview
      • 4.1.1.1 Benefits of Preventive Maintenance
      • 4.1.1.2 Preventive Maintenance Tasks
      • 4.1.1.3 Clean the Case and Internal Components
      • 4.1.1.4 Inspect Internal Components
      • 4.1.1.5 Environmental Concerns
  • 4.2 Troubleshooting Process
    • 4.2.1 Troubleshooting Process Steps
      • 4.2.1.1 Introduction to Troubleshooting
      • 4.2.1.2 Identify the Problem
      • 4.2.1.3 Establish a Theory of Probable Cause
      • 4.2.1.4 Test the Theory to Determine Cause
      • 4.2.1.5 Establish a Plan of Action to Resolve the Problem and Implement the Solution
      • 4.2.1.6 Verify Full System Functionality and, If Applicable, Implement Preventive Measures
      • 4.2.1.7 Document Findings, Actions, and Outcomes
    • 4.2.2 Common Problems and Solutions for PCs
      • 4.2.2.1 PC Common Problems and Solutions
  • 4.3 Overview of Preventive Maintenance and Troubleshooting
    • 4.3.1 Summary
      • 4.3.1.1 Summary

Chapter 4 Quiz

Chapter 5: Operating Systems

Home Chapter 5: Operating Systems 5.0.1.1 Introduction

  • 5.0 Operating Systems
    • 5.0.1 Introduction
      • 5.0.1.1 Introduction
  • 5.1 Modern Operating Systems
    • 5.1.1 OS Terms and Characteristics
      • 5.1.1.1 Terms
      • 5.1.1.2 Basic Functions of an Operating System
      • 5.1.1.3 Processor Architecture
    • 5.1.2 Types of Operating Systems
      • 5.1.2.1 Desktop Operating Systems
      • 5.1.2.2 Network Operating Systems
      • 5.1.2.3 Worksheet - Search NOS Certifications and Jobs
    • 5.1.3 Customer Requirements for an Operating System
      • 5.1.3.1 OS Compatible Applications and Environments
      • 5.1.3.2 Minimum Hardware Requirements and Compatibility with the OS Platform
      • 5.1.3.3 Comparing OS Requirements
    • 5.1.4 Operating System Upgrades
      • 5.1.4.1 Checking OS Compatibility
      • 5.1.4.2 Windows OS Upgrades
      • 5.1.4.3 Data Migration
      • 5.1.4.4 Lab - Data Migration in Windows 7
      • 5.1.4.5 Lab - Data Migration in Windows Vista
      • 5.1.4.6 Lab - Data Migration in Windows XP
  • 5.2 Operating System Installation
    • 5.2.1 Hard Drive Setup Procedures
      • 5.2.1.1 Hard Drive Partitioning
      • 5.2.1.2 Hard Drive Formatting
      • 5.2.1.3 Worksheet - Answer NTFS and FAT32 questions
      • 5.2.1.4 OS Installation with Default Settings
      • 5.2.1.5 Lab - Install Windows 7
      • 5.2.1.6 Lab - Install Windows Vista
      • 5.2.1.7 Lab - Install Windows XP
      • 5.2.1.8 Account Creation
      • 5.2.1.9 Lab - Check for updates in Windows 7
      • 5.2.1.10 Lab - Check for updates in Windows Vista
      • 5.2.1.11 Lab - Check for updates in Windows XP
      • 5.2.1.12 Complete the Installation
    • 5.2.2 Custom Installation Options
      • 5.2.2.1 Disk Cloning
      • 5.2.2.2 Other Installation Methods
      • 5.2.2.3 Lab - Advanced Installation of Windows 7
      • 5.2.2.4 Lab - Advanced Installation of Windows Vista
      • 5.2.2.5 Lab - Advanced Installation of Windows XP
      • 5.2.2.6 System Recovery Options
    • 5.2.3 Boot Sequence and Registry Files
      • 5.2.3.1 Windows Boot Process
      • 5.2.3.2 Startup Modes
      • 5.2.3.3 Windows Registry
      • 5.2.3.4 Lab - Registry Backup and Recovery in Windows XP
    • 5.2.4 Multiboot
      • 5.2.4.1 Multiboot Procedures
      • 5.2.4.2 Disk Management Utility
      • 5.2.4.3 Lab - Create a Partition in Windows 7
      • 5.2.4.4 Lab - Create a Partition in Windows Vista
      • 5.2.4.5 Lab - Create a Partition in Windows XP
    • 5.2.5 Directory Structure and File Attributes
      • 5.2.5.1 Directory Structures
      • 5.2.5.2 User and System File Locations
      • 5.2.5.3 File Extensions and Attributes
      • 5.2.5.4 Application, File, and Folder Properties
  • 5.3 The Windows GUI and Control Panel
    • 5.3.1 Windows Desktop, Tools, and Applications
      • 5.3.1.1 Windows Desktop
      • 5.3.1.2 Desktop Properties
      • 5.3.1.3 Start Menu and Taskbar
      • 5.3.1.4 Task Manager
      • 5.3.1.5 Lab - Task Manager (Managing Processes) Windows 7
      • 5.3.1.6 Lab - Task Manager (Managing Processes) Windows Vista
      • 5.3.1.7 Lab - Task Manager (Managing Processes) Windows XP
      • 5.3.1.8 Computer and Windows Explorer
      • 5.3.1.9 Windows 7 Libraries
      • 5.3.1.10 Install and Uninstall Applications
      • 5.3.1.11 Lab - Install Third-Party Software in Windows 7
      • 5.3.1.12 Lab - Install Third-Party Software in Windows Vista
      • 5.3.1.13 Lab - Install Third-Party Software in Windows XP
    • 5.3.2 Control Panel Utilities
      • 5.3.2.1 Introduction to Control Panel Utilities
      • 5.3.2.2 User Accounts
      • 5.3.2.3 Lab - Create User Accounts in Windows 7
      • 5.3.2.4 Lab - Create User Accounts in Windows Vista
      • 5.3.2.5 Lab - Create User Accounts in Windows XP
      • 5.3.2.6 Internet Options
      • 5.3.2.7 Lab - Configure Browser Settings in Windows 7
      • 5.3.2.8 Lab - Configure Browser Settings in Windows Vista
      • 5.3.2.9 Lab - Configure Browser Settings in Windows XP
      • 5.3.2.10 Display Settings
      • 5.3.2.11 Folder Options
      • 5.3.2.12 Action Center
      • 5.3.2.13 Windows Firewall
      • 5.3.2.14 Power Options
      • 5.3.2.15 System Utility
      • 5.3.2.16 Lab - Managing Virtual Memory Windows 7
      • 5.3.2.17 Lab - Managing Virtual Memory Windows Vista
      • 5.3.2.18 Lab - Managing Virtual Memory Windows XP
      • 5.3.2.19 Device Manager
      • 5.3.2.20 Lab - Managing Device Drivers with Device Manager in Windows 7
      • 5.3.2.21 Lab - Managing Device Drivers with Device Manager in Windows Vista
      • 5.3.2.22 Lab - Managing Device Drivers with Device Manager in Windows XP
      • 5.3.2.23 Regional and Language Options
      • 5.3.2.24 Lab - Regional and Language Options in Windows 7
      • 5.3.2.25 Lab - Regional and Language Options in Windows Vista
      • 5.3.2.26 Lab - Regional and Language Options in Windows XP
    • 5.3.3 Administrative Tools
      • 5.3.3.1 Computer Management
      • 5.3.3.2 Event Viewer, Component Services, and Data Sources
      • 5.3.3.3 Services
      • 5.3.3.4 Performance and Windows Memory Diagnostic
      • 5.3.3.5 Lab - Monitor and Manage System Resources in Windows 7
      • 5.3.3.6 Lab - Monitor and Manage System Resources in Windows Vista
      • 5.3.3.7 Lab - Monitor and Manage System Resources in Windows XP
    • 5.3.4 System Tools
      • 5.3.4.1 Disk Defragmenter and Disk Error-Checking Tool
      • 5.3.4.2 Lab - Hard Drive Maintenance in Windows 7
      • 5.3.4.3 Lab - Hard Drive Maintenance in Windows Vista
      • 5.3.4.4 Lab - Hard Drive Maintenance in Windows XP
      • 5.3.4.5 System Information
      • 5.3.4.6 Lab - Managing System Files with Built-in Utilities in Windows 7
      • 5.3.4.7 Lab - Managing System Files with Built-in Utilities in Windows Vista
      • 5.3.4.8 Lab - Managing System Files with Built-in Utilities in Windows XP
    • 5.3.5 Accessories
      • 5.3.5.1 Remote Desktop
      • 5.3.5.2 Lab - Remote Desktop and Remote Assistance in Windows 7
      • 5.3.5.3 Lab - Remote Desktop and Remote Assistance in Windows Vista
      • 5.3.5.4 Lab - Remote Desktop and Remote Assistance in Windows XP
    • 5.3.6 Control Panel Utilities Unique to Specific Windows Versions
      • 5.3.6.1 Windows 7 Unique Utilities
      • 5.3.6.2 Windows Vista Unique Utilities
      • 5.3.6.3 Windows XP Unique Utilities
    • 5.3.7 Command-Line Tools
      • 5.3.7.1 Windows CLI Commands
      • 5.3.7.2 Lab - Working with CLI Commands in Windows
      • 5.3.7.3 Run Line Utility
      • 5.3.7.4 Lab - Run Line Utilities in Windows 7
      • 5.3.7.5 Lab - Run Line Utilities in Windows Vista
      • 5.3.7.6 Lab - Run Line Utilities in Windows XP
  • 5.4 Client-Side Virtualization
    • 5.4.1 Purpose and Requirements of Virtualization
      • 5.4.1.1 Purpose of Virtual Machines
      • 5.4.1.2 Hypervisor: Virtual Machine Manager
      • 5.4.1.3 Virtual Machine Requirements
      • 5.4.1.4 Lab - Install Virtual PC
  • 5.5 *Common Preventive Maintenance Techniques for Operating Systems
    • 5.5.1 OS Preventive Maintenance Plan
      • 5.5.1.1 Preventive Maintenance Plan Contents
      • 5.5.1.2 Lab - Managing the Startup Folder in Windows 7
      • 5.5.1.3 Lab - Managing the Startup Folder in Windows Vista
      • 5.5.1.4 Lab - Managing the Startup Folder in Windows XP
      • 5.5.1.5 Updates
      • 5.5.1.6 Scheduling Tasks
      • 5.5.1.7 Lab - Schedule a Task Using the GUI and the at Command in Windows 7
      • 5.5.1.8 Lab - Schedule a Task Using the GUI and the at Command in Windows Vista
      • 5.5.1.9 Lab - Schedule a Task Using the GUI and the at Command in Windows XP
      • 5.5.1.10 Restore Points
      • 5.5.1.11 Lab - Use the System Restore Tool in Windows 7
      • 5.5.1.12 Lab - Use the System Restore Tool in Windows Vista
      • 5.5.1.13 Lab - Use the System Restore Tool in Windows XP
      • 5.5.1.14 Hard Drive Backup
  • 5.6 Basic Troubleshooting Process for Operating Systems
    • 5.6.1 Applying the Troubleshooting Process to Operating Systems
      • 5.6.1.1 Identify the Problem
      • 5.6.1.2 Establish a Theory of Probable Cause
      • 5.6.1.3 Test the Theory to Determine Cause
      • 5.6.1.4 Establish a Plan of Action to Resolve the Problem and Implement the Solution
      • 5.6.1.5 Verify Full System Functionality and Implement Preventive Measures
      • 5.6.1.6 Document Findings, Actions, and Outcomes
    • 5.6.2 Common Problems and Solutions for Operating Systems
      • 5.6.2.1 Common Problems and Solutions
  • 5.7 Operating Systems
    • 5.7.1 Summary

Chapter 5 Quiz

Chapter 6: Networks

  • 6.0 Networks
    • 6.0.1 Introduction
      • 6.0.1.1 Introduction
  • 6.1 Principles of Networking
    • 6.1.1 Computer Networks
      • 6.1.1.1 Define Computer Networks
      • 6.1.1.2 Features and Benefits
      • 6.1.1.3 Activity - Advantages and Disadvantages of Networking
  • 6.2 Identifying Networks
    • 6.2.1 Types of Networks
      • 6.2.1.1 LANs
      • 6.2.1.2 WLANs
      • 6.2.1.3 PANs
      • 6.2.1.4 MANs
      • 6.2.1.5 WANs
      • 6.2.1.6 Peer-to-Peer Networks
      • 6.2.1.7 Client/Server Networks
      • 6.2.1.8 Activity - Matching Network Types
  • 6.3 Basic Networking Concepts and Technologies
    • 6.3.1 Data Flow
      • 6.3.1.1 Bandwidth
      • 6.3.1.2 Data Transmission
    • 6.3.2 Networked Equipment Addressing
      • 6.3.2.1 IP Addressing
      • 6.3.2.2 IPv4
      • 6.3.2.3 IPv6
      • 6.3.2.4 Static Addressing
      • 6.3.2.5 DHCP Addressing
      • 6.3.2.6 ICMP
      • 6.3.2.7 Lab - Configure a NIC to Use DHCP in Windows 7
      • 6.3.2.8 Lab - Configure a NIC to Use DHCP in Windows Vista
      • 6.3.2.9 Lab - Configure a NIC to Use DHCP in Windows XP
      • 6.3.2.10 PT - Adding Computers to an Existing Network
    • 6.3.3 Common Ports and Protocols
      • 6.3.3.1 TCP and UDP
      • 6.3.3.2 Activity - TCP vs. UDP
      • 6.3.3.3 TCP and UDP Protocols and Ports
      • 6.3.3.4 Worksheet - Protocol Definitions and Default Ports
  • 6.4 Physical Components of a Network
    • 6.4.1 Network Devices
      • 6.4.1.1 Modems
      • 6.4.1.2 Hubs, Bridges, and Switches
      • 6.4.1.3 Routers and Wireless Access Points
      • 6.4.1.4 NAS
      • 6.4.1.5 VoIP Phones
      • 6.4.1.6 Hardware Firewalls
      • 6.4.1.7 Internet Appliances
      • 6.4.1.8 Purchasing Authentic Networking Devices
    • 6.4.2 Cables and Connectors
      • 6.4.2.1 Considerations for Cabling a Network
      • 6.4.2.2 Coaxial Cables
      • 6.4.2.3 Twisted-Pair Cables
      • 6.4.2.4 Lab - Building Straight-Through and Crossover UTP Cables
      • 6.4.2.5 PT - Cabling a Simple Network
      • 6.4.2.6 Fiber-Optic Cables
  • 6.5 Network Topologies
    • 6.5.1 Topologies
      • 6.5.1.1 Logical and Physical Topologies
      • 6.5.1.2 PT - Physical Topologies
      • 6.5.1.3 Determining the Network Topology
  • 6.6 Ethernet Standards
    • 6.6.1 Cabled and Wireless
      • 6.6.1.1 Standards Organizations
      • 6.6.1.2 IEEE 802.3
      • 6.6.1.3 Ethernet Technologies
      • 6.6.1.4 IEEE 802.11
  • 6.7 OSI and TCP/IP Data Models
    • 6.7.1 Reference Models
      • 6.7.1.1 TCP/IP
      • 6.7.1.2 OSI
      • 6.7.1.3 Comparing the OSI and TCP/IP Models
      • 6.7.1.4 Activity - Match the OSI Model to the TCP/IP Model
  • 6.8 Computer to Network Connection
    • 6.8.1 Network Installation Steps
      • 6.8.1.1 Network Installation Completion List
    • 6.8.2 Network Cards
      • 6.8.2.1 Selecting a NIC
      • 6.8.2.2 Worksheet - Internet Search for NIC Drivers
      • 6.8.2.3 Installing and Updating a NIC
      • 6.8.2.4 Lab - Install a Wireless NIC in Windows 7
      • 6.8.2.5 Lab - Install a Wireless NIC Windows in Vista
      • 6.8.2.6 Lab - Install a Wireless NIC in Windows XP
      • 6.8.2.7 Configuring a NIC
      • 6.8.2.8 Advanced NIC Settings
      • 6.8.2.9 PT - Install a Wireless NIC
    • 6.8.3 Wireless and Wired Router Configurations
      • 6.8.3.1 Connecting to the Router
      • 6.8.3.2 Setting the Network Location
      • 6.8.3.3 Logging In to the Router
      • 6.8.3.4 Basic Network Setup
      • 6.8.3.5 Lab - Connect to a Router for the First Time
      • 6.8.3.6 PT - Connect to Wireless Router and Configure Basic Settings
      • 6.8.3.7 Basic Wireless Settings
      • 6.8.3.8 Lab - Configure Wireless Router in Windows 7
      • 6.8.3.9 Lab - Configure Wireless Router in Windows Vista
      • 6.8.3.10 Lab - Configure Wireless Router in Windows XP
      • 6.8.3.11 PT - Connecting Wireless PCs to a Linksys WRT300N
      • 6.8.3.12 Testing Connectivity with the Windows GUI
      • 6.8.3.13 Testing Connectivity with the Windows CLI
      • 6.8.3.14 Lab - Test the Wireless NIC in Windows 7
      • 6.8.3.15 Lab - Test the Wireless NIC in Windows Vista
      • 6.8.3.16 Lab - Test the Wireless NIC in Windows XP
      • 6.8.3.17 PT - Test a Wireless Connection
    • 6.8.4 OS Configurations
      • 6.8.4.1 Domain and Workgroup
      • 6.8.4.2 Connecting to a Workgroup or a Domain
      • 6.8.4.3 Windows 7 Homegroup
      • 6.8.4.4 Sharing Resources in Windows Vista
      • 6.8.4.5 Sharing Resources in Windows XP
      • 6.8.4.6 Network Shares and Mapping Drives
      • 6.8.4.7 Lab - Share a Folder Create a Homegroup and Map a Network Drive in Windows 7
      • 6.8.4.8 Lab - Share a Folder and Map a Network Drive in Windows Vista
      • 6.8.4.9 Lab - Share a Folder and Map a Network Drive in Windows XP
      • 6.8.4.10 VPN
  • 6.9 Select an ISP Connection Type
    • 6.9.1 Connection Technologies
      • 6.9.1.1 Brief History of Connection Technologies
      • 6.9.1.2 DSL and ADSL
      • 6.9.1.3 Line of Sight Wireless Internet Service
      • 6.9.1.4 WiMAX
      • 6.9.1.5 Other Broadband Technologies
      • 6.9.1.6 Worksheet - Answer Broadband Questions
      • 6.9.1.7 Selecting an ISP for the Customer
      • 6.9.1.8 Worksheet - ISP Connection Types
  • 6.10 Common Preventative Maintenance Techniques Used for Networks
    • 6.10.1 Network Maintenance
      • 6.10.1.1 Preventive Maintenance Procedures
  • 6.11 Basic Troubleshooting Process for Networks
    • 6.11.1 Applying the Troubleshooting Process to Networks
      • 6.11.1.1 Identify the Problem
      • 6.11.1.2 Establish a Theory of Probable Cause
      • 6.11.1.3 Test the Theory to Determine Cause
      • 6.11.1.4 Establish a Plan of Action to Resolve the Problem and Implement the Solution
      • 6.11.1.5 Verify Full System Functionality and Implement Preventative Measures
      • 6.11.1.6 Document Findings, Actions, and Outcomes
    • 6.11.2 Common Problems and Solutions for Networks
      • 6.11.2.1 Identify Common Problems and Solutions
  • 6.12 Networks
    • 6.12.1 Summary

Chapter 6 Quiz

Chapter 7: Laptops

  • 7.0 Laptops
    • 7.0.1 Introduction
      • 7.0.1.1 Introduction
  • 7.1 Laptop Components
    • 7.1.1 Laptop Components
      • 7.1.1.1 External Features Unique to Laptops
      • 7.1.1.2 Common Input Devices and LEDs in Laptops
      • 7.1.1.3 Internal Components
      • 7.1.1.4 Special Function Keys
      • 7.1.1.5 Docking Station versus Port Replicator
      • 7.1.1.6 Worksheet - Research Docking Stations
  • 7.2 Laptop Display Components
    • 7.2.1 Comparing Display Types
      • 7.2.1.1 LCD, LED, OLED, and Plasma Monitors
    • 7.2.2 Internal Components
      • 7.2.2.1 Backlights and Inverters
      • 7.2.2.2 Wi-Fi Antenna Connectors
  • 7.3 Laptop Power
    • 7.3.1 Power Settings
      • 7.3.1.1 Power Management
      • 7.3.1.2 Managing ACPI Settings in the BIOS
      • 7.3.1.3 Worksheet - Match ACPI Standards
      • 7.3.1.4 Managing Laptop Power Options
  • 7.4 Laptop Wireless Communication Technologies
    • 7.4.1 Features and OS Configuration
      • 7.4.1.1 Bluetooth
      • 7.4.1.2 Infrared
      • 7.4.1.3 Cellular WAN
      • 7.4.1.4 Wi-Fi
  • 7.5 Laptop Hardware and Component Installation and Configuration
    • 7.5.1 Expansion Options
      • 7.5.1.1 Expansion Cards
      • 7.5.1.2 Flash Memory
      • 7.5.1.3 SODIMM Memory
      • 7.5.1.4 Worksheet - Laptop RAM
    • 7.5.2 Replacing Hardware Devices
      • 7.5.2.1 Overview of Hardware Replacement
      • 7.5.2.2 Power
      • 7.5.2.3 Worksheet - Laptop Batteries
      • 7.5.2.4 Keyboard, Touchpad, and Screen
      • 7.5.2.5 Worksheet - Laptop Screens
      • 7.5.2.6 Hard Drive and Optical Drive
      • 7.5.2.7 Worksheet - Laptop Hard Drives
      • 7.5.2.8 Wireless Card
      • 7.5.2.9 Speakers
      • 7.5.2.10 CPU
      • 7.5.2.11 System Board
      • 7.5.2.12 Plastics
      • 7.5.2.13 Worksheet - Build a Specialized Laptop
  • 7.6 Preventive Maintenance Techniques for Laptops
    • 7.6.1 Scheduled Maintenance for Laptops
      • 7.6.1.1 Scheduling Maintenance
      • 7.6.1.2 Cleaning Procedures
  • 7.7 Basic Troubleshooting Process for Laptops
    • 7.7.1 Applying the Troubleshooting Process to Laptops
      • 7.7.1.1 Identify the Problem
      • 7.7.1.2 Establish a Theory of Probable Cause
      • 7.7.1.3 Test the Theory to Determine Cause
      • 7.7.1.4 Establish a Plan of Action to Resolve the Problem and Implement the Solution
      • 7.7.1.5 Verify Full System Functionality and Implement Preventative Measures
      • 7.7.1.6 Document Findings, Actions, and Outcomes
    • 7.7.2 Common Problems and Solutions for Laptops
      • 7.7.2.1 Identify Common Problems and Solutions
      • 7.7.2.2 Worksheet - Research Laptop Problems
      • 7.7.2.3 Worksheet - Gather Information from the Customer
      • 7.7.2.4 Worksheet - Investigating Support Websites and Repair Companies
  • 7.8 Laptops
    • 7.8.1 Summary

Chapter 7 Quiz

Chapter 8: Mobile Devices

  • 8.0 Mobile Devices
    • 8.0.1 Introduction
      • 8.0.1.1 Introduction
  • 8.1 Mobile Device Hardware Overview
    • 8.1.1 Mobile Device Hardware
      • 8.1.1.1 Non-Field-Serviceable Parts
      • 8.1.1.2 Non-Upgradeable Hardware
      • 8.1.1.3 Touchscreens
      • 8.1.1.4 Solid State Drives
  • 8.2 Mobile Operating Systems
    • 8.2.1 Android versus iOS
      • 8.2.1.1 Open Source versus Closed Source
      • 8.2.1.2 Application and Content Sources
    • 8.2.2 Android Touch Interface
      • 8.2.2.1 Home Screen Items
      • 8.2.2.2 Managing Apps, Widgets, and Folders
      • 8.2.2.3 Lab - Working with Android
    • 8.2.3 iOS Touch Interface
      • 8.2.3.1 Home Screen Items
      • 8.2.3.2 Managing Apps and Folders
      • 8.2.3.3 Lab - Working with iOS
    • 8.2.4 Common Mobile Device Features
      • 8.2.4.1 Screen Orientation and Calibration
      • 8.2.4.2 GPS
      • 8.2.4.3 Lab - Mobile Device Features - Android and iOS
      • 8.2.4.4 Worksheet - Mobile Device Information
  • 8.3 Network Connectivity and Email
    • 8.3.1 Wireless and Cellular Data Network
      • 8.3.1.1 Wireless Data Network
      • 8.3.1.2 Lab - Mobile Wi-Fi - Android and iOS
      • 8.3.1.3 Cellular Communications
    • 8.3.2 Bluetooth
      • 8.3.2.1 Bluetooth for Mobile Devices
      • 8.3.2.2 Bluetooth Pairing
    • 8.3.3 Configuring Email
      • 8.3.3.1 Introduction to Email
      • 8.3.3.2 Activity - Matching Email Protocols
      • 8.3.3.3 Android Email Configuration
      • 8.3.3.4 iOS Email Configuration
    • 8.3.4 Mobile Device Synchronization
      • 8.3.4.1 Types of Data to Synchronize
      • 8.3.4.2 Application Installation Software Requirements
      • 8.3.4.3 Synchronization Connection Types
  • 8.4 Methods for Securing Mobile Devices
    • 8.4.1 Passcode Locks
      • 8.4.1.1 Overview of Passcode Locks
      • 8.4.1.2 Lab - Passcode Locks - Android and iOS
      • 8.4.1.3 Restrictions on Failed Login Attempts
    • 8.4.2 Cloud-Enabled Services for Smart Devices
      • 8.4.2.1 Remote Backup
      • 8.4.2.2 Locator Applications
      • 8.4.2.3 Remote Lock and Remote Wipe
    • 8.4.3 Software Security
      • 8.4.3.1 Antivirus
      • 8.4.3.2 Patching and Updating Operating Systems
  • 8.5 Basic Troubleshooting Process for Mobile Devices
    • 8.5.1 Applying the Troubleshooting Process to Mobile Devices
      • 8.5.1.1 Identify the Problem
      • 8.5.1.2 Establish a Theory of Probable Cause
      • 8.5.1.3 Test the Theory to Determine Cause
      • 8.5.1.4 Establish a Plan of Action to Resolve the Problem and Implement the Solution
      • 8.5.1.5 Verify Full System Functionality and Implement Preventive Measures
      • 8.5.1.6 Document Findings, Actions, and Outcomes
    • 8.5.2 Common Problems and Solutions for Mobile Devices
      • 8.5.2.1 Identify Common Problems and Solutions
      • 8.5.2.2 Lab - Troubleshooting Mobile Devices
  • 8.6 Mobile Devices
    • 8.6.1 Summary
      • 8.6.1.1 Summary

Chapter 8 Quiz

Chapter 9: Printers

  • 9.0 Printers
    • 9.0.1 Introduction
      • 9.0.1.1 Introduction
  • 9.1 Common Printer Features
    • 9.1.1 Characteristics and Capabilities
      • 9.1.1.1 Characteristics and Capabilities of Printers
      • 9.1.1.2 Wired Printer Connection Types
  • 9.2 Types of Printers
    • 9.2.1 Printer Types
      • 9.2.1.1 Inkjet Printers
      • 9.2.1.2 Laser Printers
      • 9.2.1.3 Thermal Printers
      • 9.2.1.4 Impact Printers
  • 9.3 Installing and Configuring Printers
    • 9.3.1 Installing and Updating Device Drivers, Firmware, and RAM
      • 9.3.1.1 Installing a Printer
      • 9.3.1.2 Lab - Install a Printer in Windows 7
      • 9.3.1.3 Lab - Install a Printer in Windows Vista
      • 9.3.1.4 Lab - Install a Printer in Windows XP
      • 9.3.1.5 Types of Print Drivers
      • 9.3.1.6 Updating and Installing Print Drivers
      • 9.3.1.7 Printer Test Page
    • 9.3.2 Configuring Options and Default Settings
      • 9.3.2.1 Common Configuration Settings
      • 9.3.2.2 Global and Individual Document Options
    • 9.3.3 Optimizing Printer Performance
      • 9.3.3.1 Software Optimization
      • 9.3.3.2 Hardware Optimization
  • 9.4 Sharing Printers
    • 9.4.1 Operating System Settings for Sharing a Printer
      • 9.4.1.1 Configuring Printer Sharing
      • 9.4.1.2 Wireless Printer Connections
    • 9.4.2 Print Servers
      • 9.4.2.1 Purposes of Print Servers
      • 9.4.2.2 Hardware, Dedicated, and Computer Shared Print Servers
      • 9.4.2.3 Lab - Share a Printer in Windows 7
      • 9.4.2.4 Lab - Share a Printer in Windows Vista
      • 9.4.2.5 Lab - Share a Printer in Windows XP
  • 9.5 Preventive Maintenance Techniques for Printers
    • 9.5.1 Printer Preventive Maintenance
      • 9.5.1.1 Vendor Guidelines
      • 9.5.1.2 Replacing Consumables
      • 9.5.1.3 Cleaning Methods
      • 9.5.1.4 Operational Environment
      • 9.5.1.5 Worksheet - Search for Certified Printer Technician Jobs
  • 9.6 Basic Troubleshooting Process for Printers
    • 9.6.1 Applying the Troubleshooting Process to Printers
      • 9.6.1.1 Identify the Problem
      • 9.6.1.2 Establish a Theory of Probable Cause
      • 9.6.1.3 Test the Theory to Determine Cause
      • 9.6.1.4 Establish a Plan of Action to Resolve the Problem and Implement the Solution
      • 9.6.1.5 Verify Full System Functionality and Implement Preventative Measures
      • 9.6.1.6 Document Findings, Actions, and Outcomes
    • 9.6.2 Common Problems and Solutions for Printers
      • 9.6.2.1 Identify Common Problems and Solutions
  • 9.7 Printers
    • 9.7.1 Summary
      • 9.7.1.1 Summary

Chapter 9 Quiz

Chapter 10: Security

  • 10.0 Security
    • 10.0.1 Introduction
      • 10.0.1.1 Introduction
  • 10.1 Security Threats
    • 10.1.1 Types of Security Threats
      • 10.1.1.1 Adware, Spyware, and Phishing
      • 10.1.1.2 Viruses, Worms, Trojans, and Rootkits
      • 10.1.1.3 Web Security
      • 10.1.1.4 InPrivate Browsing
      • 10.1.1.5 Spam
      • 10.1.1.6 TCP/IP Attacks
      • 10.1.1.7 Worksheet - Security Attacks
    • 10.1.2 Access to Data and Equipment
      • 10.1.2.1 Social Engineering
      • 10.1.2.2 Data Wiping, Hard Drive Destruction, and Recycling
  • 10.2 Security Procedures
    • 10.2.1 Security Policies
      • 10.2.1.1 What Is a Security Policy?
      • 10.2.1.2 Worksheet - Answer Security Policy Questions
      • 10.2.1.3 Security Policy Requirements
      • 10.2.1.4 Usernames and Passwords
      • 10.2.1.5 Password Requirements
      • 10.2.1.6 File and Folder Permissions
      • 10.2.1.7 Lab - Securing Accounts, Data, and the Computer in Windows 7
      • 10.2.1.8 Lab - Securing Accounts, Data, and the Computer in Windows Vista
      • 10.2.1.9 Lab - Securing Accounts, Data, and the Computer in Windows XP
    • 10.2.2 Protecting Data
      • 10.2.2.1 Software Firewalls
      • 10.2.2.2 Biometrics and Smart Cards
      • 10.2.2.3 Data Backups
      • 10.2.2.4 Data Encryption
    • 10.2.3 Protection Against Malicious Software
      • 10.2.3.1 Malicious Software Protection Programs
      • 10.2.3.2 Worksheet - Third-Party Antivirus Software
      • 10.2.3.3 Signature File Updates
    • 10.2.4 Security Techniques
      • 10.2.4.1 Common Communication Encryption Types
      • 10.2.4.2 Service Set Identifiers
      • 10.2.4.3 MAC Address Filtering
      • 10.2.4.4 Wireless Security Modes
      • 10.2.4.5 PT - Wireless Security Techniques
      • 10.2.4.6 Wireless Access
      • 10.2.4.7 Firewalls
      • 10.2.4.8 Worksheet - Research Firewalls
      • 10.2.4.9 Port Forwarding and Port Triggering
      • 10.2.4.10 Lab - Configure Wireless Security
    • 10.2.5 Protecting Physical Equipment
      • 10.2.5.1 Physical Equipment Protection Methods
      • 10.2.5.2 Security Hardware
      • 10.2.5.3 Physical Security Activity
  • 10.3 Common Preventive Maintenance Techniques for Security
    • 10.3.1 Security Maintenance
      • 10.3.1.1 Operating System Service Packs and Security Patches
      • 10.3.1.2 Worksheet - Operating System Updates in Windows
      • 10.3.1.3 Data Backups
      • 10.3.1.4 Lab - Data Backup and Recovery in Windows 7
      • 10.3.1.5 Lab - Data Backup and Recovery in Windows Vista
      • 10.3.1.6 Lab - Data Backup and Recovery in Windows XP
      • 10.3.1.7 Configuring Firewall Types
      • 10.3.1.8 Lab - Configure a Windows 7 Firewall
      • 10.3.1.9 Lab - Configure a Windows Vista Firewall
      • 10.3.1.10 Lab - Configure a Windows XP Firewall
      • 10.3.1.11 Maintaining Accounts
  • 10.4 Basic Troubleshooting Process for Security
    • 10.4.1 Applying the Troubleshooting Process to Security
      • 10.4.1.1 Identify the Problem
      • 10.4.1.2 Establish a Theory of Probable Cause
      • 10.4.1.3 Test the Theory to Determine Cause
      • 10.4.1.4 Establish a Plan of Action to Resolve the Problem and Implement the Solution
      • 10.4.1.5 Verify Full System Functionality and, If Applicable Implement Preventive Measures
      • 10.4.1.6 Document Findings, Actions and Outcomes
    • 10.4.2 Common Problems and Solutions for Security
      • 10.4.2.1 Identify Common Problems and Solutions
      • 10.4.2.2 Worksheet - Gather Information from the Customer
  • 10.5 Security
    • 10.5.1 Summary
      • 10.5.1.1 Summary

Chapter 10 Quiz

Chapter 11: The IT Professional

  • 11.0 The IT Professional
    • 11.0.1 Introduction
      • 11.0.1.1 Introduction
  • 11.1 Communication Skills and the IT Professional
    • 11.1.1 Communication Skills, Troubleshooting, and Professional Behavior
      • 11.1.1.1 Relationship Between Communication Skills and Troubleshooting
      • 11.1.1.2 Relationship Between Communication Skills and Professional Behavior
      • 11.1.1.3 Worksheet - Technician Resources
    • 11.1.2 Working with a Customer
      • 11.1.2.1 Using Communication Skills to Determine Customer Problems
      • 11.1.2.2 Displaying Professional Behavior with Customers
      • 11.1.2.3 Activity - Putting a Customer on Hold
      • 11.1.2.4 Activity – Transferring a Call
      • 11.1.2.5 Keeping the Customer Focused on the Problem
      • 11.1.2.6 Using Proper Netiquette
    • 11.1.3 Employee Best Practices
      • 11.1.3.1 Time and Stress Management Techniques
      • 11.1.3.2 Observing Service Level Agreements
      • 11.1.3.3 Following Business Policies
  • 11.2 Ethical and Legal Issues in the IT Industry
    • 11.2.1 Ethical and Legal Considerations
      • 11.2.1.1 Ethical Considerations in IT
      • 11.2.1.2 Legal Considerations in IT
    • 11.2.2 Legal Procedures Overview
      • 11.2.2.1 Computer Forensics
      • 11.2.2.2 Cyber Law and First Response
      • 11.2.2.3 Documentation and Chain of Custody
  • 11.3 Call Center Technicians
    • 11.3.1 Call Centers, Level One and Level Two Technicians
      • 11.3.1.1 Call Centers
      • 11.3.1.2 Level One Technician Responsibilities
      • 11.3.1.3 Level Two Technician Responsibilities
  • 11.4 The IT Professional
    • 11.4.1 Summary
      • 11.4.1.1 Summary

Chapter 11 Quiz

Chapter 12: Advanced Troubleshooting

  • 12.0 Advanced Troubleshooting
    • 12.0.1 Introduction
      • 12.0.1.1 Introduction
  • 12.1 Computer Components and Peripherals
    • 12.1.1 Apply Troubleshooting Process to Computer Components and Peripherals
      • 12.1.1.1 Six Steps for Advanced Troubleshooting Computer Components and Peripherals
      • 12.1.1.2 Common Problems and Solutions for Components and Peripherals
      • 12.1.1.3 Apply Troubleshooting Skills to Computer Components and Peripherals
      • 12.1.1.4 Lab - Repair Boot Problem
      • 12.1.1.5 Lab - Remote Technician - Repair Boot Problem
      • 12.1.1.6 Lab - Troubleshooting Hardware Problems in Windows 7
      • 12.1.1.7 Lab - Troubleshooting Hardware Problems in Windows Vista
      • 12.1.1.8 Lab - Troubleshooting Hardware Problems in Windows XP
  • 12.2 Operating Systems
    • 12.2.1 Apply Troubleshooting Process to Operating Systems
      • 12.2.1.1 Six Steps for Advanced Troubleshooting Operating Systems
      • 12.2.1.2 Common Problems and Solutions for Operating Systems
      • 12.2.1.3 Apply Troubleshooting Skills to Operating Systems
      • 12.2.1.4 Lab - Fix an Operating System Problem
      • 12.2.1.5 Lab - Remote Technician - Fix an Operating System Problem
      • 12.2.1.6 Lab - Troubleshooting Operating System Problems in Windows 7
      • 12.2.1.7 Lab - Troubleshooting Operating System Problems in Windows Vista
      • 12.2.1.8 Lab - Troubleshooting Operating Systems in Windows XP
  • 12.3 Networks
    • 12.3.1 Apply Troubleshooting Process to Networks
      • 12.3.1.1 Six Steps for Advanced Troubleshooting Networks
      • 12.3.1.2 Common Problems and Solutions for Networks
      • 12.3.1.3 Apply Troubleshooting Skills to Networks
      • 12.3.1.4 Lab - Fix a Network Problem
      • 12.3.1.5 Lab - Remote Technician - Fix a Network Problem
      • 12.3.1.6 Lab - Troubleshooting Network Problems in Windows 7
      • 12.3.1.7 Lab - Troubleshooting Network Problems in Windows Vista
      • 12.3.1.8 Lab - Troubleshooting Network Problems in Windows XP
  • 12.4 Laptops
    • 12.4.1 Apply Troubleshooting Process to Laptops
      • 12.4.1.1 Six Steps for Advanced Troubleshooting Laptops
      • 12.4.1.2 Common Problems and Solutions for Laptops
      • 12.4.1.3 Apply Troubleshooting Skills to Laptops
      • 12.4.1.4 Lab - Fix a Laptop Problem
      • 12.4.1.5 Lab - Remote Technician - Fix a Laptop Problem
      • 12.4.1.6 Lab - Troubleshooting Laptop Problems in Windows 7
      • 12.4.1.7 Lab - Troubleshooting Laptop Problems in Windows Vista
      • 12.4.1.8 Lab - Troubleshooting Laptop Problems in Windows XP
  • 12.5 Printers
    • 12.5.1 Apply Troubleshooting Process to Printers
      • 12.5.1.1 Six Steps for Advanced Troubleshooting Printers
      • 12.5.1.2 Common Problems and Solutions for Printers
      • 12.5.1.3 Apply Troubleshooting Skills to Printers
      • 12.5.1.4 Lab - Fix a Printer Problem
      • 12.5.1.5 Lab - Remote Technician - Fix a Printer Problem
      • 12.5.1.6 Lab - Troubleshooting Printer Problems in Windows 7
      • 12.5.1.7 Lab - Troubleshooting Printer Problems in Windows Vista
      • 12.5.1.8 Lab - Troubleshooting Printer Problems in Windows XP
  • 12.6 Security
    • 12.6.1 Apply Troubleshooting Process to Security
      • 12.6.1.1 Six Steps for Advanced Troubleshooting Security
      • 12.6.1.2 Common Problems and Solutions for Security
      • 12.6.1.3 Apply Troubleshooting Skills to Security
      • 12.6.1.4 Lab - Fix a Security Problem
      • 12.6.1.5 Lab - Remote Technician - Fix a Security Problem
      • 12.6.1.6 Lab - Troubleshooting Access Security in Windows 7
      • 12.6.1.7 Lab - Troubleshooting Access Security in Windows Vista
      • 12.6.1.8 Lab - Troubleshooting Access Security in Windows XP
  • 12.7 Advanced Troubleshooting
    • 12.7.1 Summary
      • 12.7.1.1 Summary

Chapter 12 Quiz

-- KlausKellermann - 01 Oct 2013

This topic: Hardware > WebHome > CiscoItEssentials5
Topic revision: 14 Oct 2013, KlausKellermann
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