IT Career JumpStart

An Introduction to PC Hardware, Software, and Networking

Häftad, Engelska, 2012

Av Naomi J. Alpern, Joey Alpern, Randy Muller, Naomi J Alpern

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A practical approach for anyone looking to enter the IT workforce Before candidates can begin to prepare for any kind of certification, they need a basic understanding of the various hardware and software components used in a computer network. Aimed at aspiring IT professionals, this invaluable book strips down a network to its bare basics, and discusses this complex topic in a clear and concise manner so that IT beginners can confidently gain an understanding of fundamental IT concepts. In addition, a base knowledge has been established so that more advanced topics and technologies can be learned over time. Includes a discussion of the key computer components, such as the processor and memoryCovers the basics of data storage as well as the input/output processZeroes in on basic hardware configuration including how to install hardware and software driversIntroduces various computer operating systems, including the Windows OS family, Linux, and Mac.Looks at basic networking concepts and designIT Career JumpStart is an ideal starting point for anyone looking for a career in IT but doesn't know where to start.

Produktinformation

Utgivningsdatum2012-02-03
Mått185 x 231 x 25 mm
Vikt476 g
FormatHäftad
SpråkEngelska
Antal sidor368
FörlagJohn Wiley & Sons Inc
ISBN9781118206157

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Naomi J. Alpern, A+, Network+ MCSE, MCT, currently works for Microsoft Consulting Services as a Senior Consultant specializing in Unified Communications and IT architecture and planning. Joey Alpern currently works as an independent consultant specializing in web development and database component integration.Randy Muller, MCT, MCSE, MCITP, is an independent trainer and author specializing in Unified Communications, Office 365, and IT security.

Introduction xxiiiChapter 1 The Computer’s Brain: Processors and Memory 1Introduction to Processors 2Processor Performance. 2Processor Types: A First Look. 2Deciphering Processor Terminology. 3The Intel Processor Lineup. 4Factors Affecting Performance. 5History of Intel Chips 6The Pentium Family. 6Pentium. 7Pentium MMX. 7Pentium Pro. 8Pentium II (PII). 8Celeron. 8Pentium II Xeon 8Pentium III (PIII). 8Pentium III Xeon. 9Itanium/Itanium 2. 9Pentium 4 9Tualatin. 9Core i3 Series 9Core i5 Series 10Core i7 Series 10Stacking Up the Competition. 10Advanced Micro Devices (AMD). 11Cyrix 12PowerPC. 12Alpha 13Using Multiprocessor and Multicore Computers 14Cooling a System 16Physical Memory 17Random Access Memory (RAM). 17RAM Types. 18SIMMs 18DIMMs. 18RAM Speed. 19Edo Ram. 19Sdram 19Ddr Sdram. 19Ddr2 Sdram. 19Ddr3 Sdram. 20Read-Only Memory (ROM) 20Other ROM Types. 20Prom. 20Eprom. 21Eeprom 21Bus Architecture. 21Bus Types. 22Accelerated Graphics Port (AGP) 22Enhanced Industry Standard Architecture (EISA). 22FireWire (IEEE 1394) 23Hdmi. 23IBM Micro Channel Architecture (MCA). 23Ibm Pc. 23IBM PC-AT, or Industry Standard Architecture (ISA). 23Peripheral Component Interconnect (PCI). 24Peripheral Component Interconnect Express (PCIe). 24Universal Serial Bus (USB). 24Video Electronics Standards Association (VESA) Local Bus (VL-Bus). 25Terms to Know. 25Review Questions. 26Chapter 2 Storing Your Files: Data Storage 27Keys to Data Storage. 28Understanding Hard Drive Basics. 30Selecting a Hard Drive. 30Performance with Parallel ATA (PATA). 31IDE Interface Standards. 33Advanced Technology Attachment (ATA). 33Ata-2. 34Ultra-ATA. 34Ultra-ATA/66, ATA/100, and Ultra ATA/133. 34Performance with SATA Drives. 35SATA revision 1 0. 35SATA revision 2 0. 35SATA revision 3 0. 35eSATA. 36Performance with SDD Drives 36Performance with SCSI Drives. 36SCSI Standards. 37SCSI-1 and SCSI-2. 38Scsi-3. 38Ultra3 SCSI and Ultra320. 38SCSI Termination. 39Organizing Disks 39Understanding Partition Types. 40Active and Boot Partitions. 40Primary Partition. 41Extended Partition. 41A Primer on Disk Drive Configurations. 41Volume Set. 43Disk Stripe Set. 44Mirrored Set 45Stripe Set with Parity Drive. 46Stripe Set with Parity Stripe. 46Types of Offline Data Storage. 47Removable Storage Devices. 49Compact Discs (CDs). 49CD-Recordable. 50CD-Rewritable (CD-RW). 50Digital Video Discs (DVDs). 51Blu-Ray Discs. 51Tape Drives 51Terms to Know. 53Review Questions. 54Chapter 3 Data Movement: Input/Output Devices 55Understanding Ports. 56Serial Ports. 56Parallel Ports 57USB Ports. 58Thunderbolt. 59Understanding Monitors. 59Video Display Adapter Standards 60Liquid Crystal Display (LCD) 62Light Emitting Diode (LED) 62Organic Light Emitting Diode (OLED). 62DisplayPort 63Vga 63dvi 63Connecting a Keyboard and Mouse. 63Touch Screens. 65Making Remote Connections. 65Analog Modems. 66Digital Subscriber Line (DSL) 67Cable Modems. 68Isdn 69Choosing a Printer 71Choosing PC Cards. 73Bus Standards 73Plug and Play. 74Terms to Know. 76Review Questions. 77Chapter 4 Hardware Configuration 79Installing Hardware. 80Installing Software Drivers. 81Updating Software Drivers. 81Handling Interrupts. 82Using Base Memory and Identifying System Resources 83Using I/O Memory. 85Using DMA. 87Terms to Know. 89Review Questions. 90Chapter 5 Desktop Operating Systems: A Comparison 91In The Beginning: Understanding DOS 92Understanding Windows 92The Business Solution: Windows NT Workstation 4. 93Windows 2000 Professional. 94Windows XP Home Edition and XP Professional. 95Windows XP Home Edition. 95Windows XP Professional. 96Windows Vista. 96The Latest Generation: Windows 7. 97Understanding Unix and Linux 99Unix 99Linux 100Apple Operating Systems 101Dual-Booting between OSs. 101Terms to Know. 102Review Questions. 103Chapter 6 Command Shell 101: Basics Every Administrator Should Know 105Introducing the Command-Line Interface 106Creating a Directory Structure. 106Manipulating the Directory Structure. 107Listing Directories, Subdirectories, and Files 108Creating and Deleting Directories. 108Changing Directories 109Copying and Moving Files. 110Deleting and Renaming Files. 111Deleting and Renaming Files. 112Using Command-Line Wildcards. 114Understanding File Attributes. 116Changing the Time and Date. 118Using Timesaving Keyboard Shortcuts. 118Introducing PowerShell. 120Installing PowerShell. 120PowerShell Command Syntax 121Discoverability 121Adding Arguments 121PowerShell Execution Policy 123Using PowerShell Wildcards. 124Understanding PowerShell Modules and Snap-Ins. 124PowerShell Functions and Scripts. 127Terms to Know. 128Review Questions. 129Chapter 7 Graphical Interface: Windows 7 Basics 131A Quick Introduction. 132Introduction to the Windows 7 Desktop 133Snap 134Shake 135Peek 135Gadgets 136Desktop Background and Appearance. 137Using the Start Button 139All Programs 140Search Programs and Files. 140Help and Support. 141Run 142Shut Down. 142Managing the Computer’s Settings: Appearance and Personalization 144Changing Your Computer’s Theme. 146Changing Your Desktop’s Background 147Using a Screen Saver. 147Changing the Screen Resolution 148Viewing and Managing Folder Options. 149Viewing and Managing Taskbar and Start Menu Options. 150Accessing the Computer Window. 151Accessing Network Resources 153Using the Recycle Bin. 154Creating Shortcuts 155Using Wizards. 155Using Windows Explorer 156Terms to Know. 158Review Questions. 159Chapter 8 A Communications Framework 161Understanding OSI Model Basics. 162Data Transfer in the OSI Model. 164Layer 1: The Physical Layer 165Physical Layer Technologies. 166Physical Layer Hardware. 167Layer 2: The Data-Link Layer 167Frame Description. 167Sublayers of Data-Link 168Data-Link Layer Devices. 168Layer 3: The Network Layer. 168Network Layer Example 169Layer 4: The Transport Layer. 170Other Transport Layer Functions 171Network and Transport Layer Technologies. 171Layer 5: The Session Layer. 171Creating a Connection. 172Transferring Data and Using Dialog Control. 172Terminating a Connection. 173Layer 6: The Presentation Layer. 173Character Code Translation. 173Data Encryption. 174Data Compression and Expansion. 174Layer 7: The Application Layer. 174Service Advertisement 175Service Processing 175Terms to Know. 176Review Questions. 177Chapter 9 Network Models 179Considering Peer-to-Peer Networks. 180When Appropriate. 181Common OS Examples 181Viewing Network Configurations for Windows 7 Computers. 182Configuring Local Area Connection Properties. 183Identifying the Computer. 184Considering Client-Server Networks 185When Appropriate. 185Common OS Examples 186The Directory Services Model 186When Appropriate. 188Terms to Know. 188Review Questions. 189Chapter 10 Data-Link and Network Layer Protocols 191Introduction to Topologies. 192Bus Topology. 192Star Topology. 193Ring Topology. 194Mesh Topology 195Ethernet Communication Architecture. 196Benefits and Drawbacks of Ethernet 197Ethernet Standards. 198Ethernet Hardware 199Ethernet Bus Topology 199Ethernet Star Topology. 200Using TCP/IP 201Benefits of TCP/IP. 202Disadvantages of TCP/IP. 202IPv4 Addressing. 203IPv4 Configuration 204IP Address. 204Subnet Mask. 204Default Router, or Gateway 204IPv6 Addressing. 205IPv6 Configuration 205The Function of DHCP in an IP Network. 206The Function of DNS in an IP Network 207Terms to Know. 208Review Questions. 209Chapter 11 Network Operating Systems: A Comparison 211Introduction to an NOS. 212What to Look for in an NOS. 213Windows Server 2003 R2. 214When to Choose Windows Server 2003 R2. 214Windows Server 2008. 214When to Choose Windows Server 2008. 215Windows Server 2008 R2. 216When to Choose Windows Server 2008 R2. 216Unix Servers. 217When to Choose Unix. 217Linux 217When to Choose Linux 218Terms to Know. 218Review Questions. 219Chapter 12 Windows Server 2008 R2 Origins and Platforms 221Understanding the Origins of Windows Server. 222Provide Flexibility in OS Code. 222Offer High Performance 222Be Reliable. 222Use Portable Code. 223Be Compatible with Existing Standards. 223Understanding NT 4. 223NT Server 4. 224NT Server/E 4 224Understanding Windows 2000/Windows Server 2003. 225Windows Server 2003 System Requirements. 227Windows Server 2003 Family Features. 228Understanding Windows Server 2008/Windows Server 2008 R2. 230Windows Server 2008 R2 System Requirements. 230Windows Server 2008 R2 Family Features 231Terms to Know. 232Review Questions. 233Chapter 13 Windows Server 2008/2008 R2 Active Directory Domain Services 235Features of the Active Directory Domain Services. 236Structure of the Active Directory Domain Services 238Windows Server 2008 and Windows Server 2008 R 2Domains. 239Organizational Units. 240Forests and Trees. 242Forests. 242Trees 243Windows Server 2008 and Windows Server 2008 R2 Trusts. 243External Trusts. 244Forest Trusts. 245Shortcut Trusts. 246Realm Trusts. 246The Physical Network. 247Sites 247Domain Controllers. 248Specialized Domain Controllers. 248Global Catalogs. 249Operations Master Roles. 249Terms to Know. 250Review Questions. 251Chapter 14 Account Management 253Structuring the Active Directory. 254Organizational Units. 254Groups. 255Using and Creating Groups. 256Types of Groups. 256Global Group 257Domain Local Group 257Universal Group 258Local Group 258Creating a Group. 259Configuring a Group. 260User Accounts. 261Creating User Accounts. 262Configuring User Accounts. 264Terms to Know. 266Review Questions. 267Chapter 15 File and Print Management 269Sharing Folders. 270Creating a New Share 271Applying Permissions for Accessing Folders. 273Assigning Permissions to Users and Groups. 275Using NTFS 278Selecting a File System. 280Understanding the Basics of NTFS 281Assigning NTFS Permissions. 281Combining NTFS and Share Permissions 283Applying NTFS Permissions 284Understanding Share and NTFS Permission Interaction. 285Accessing Resources. 286Sharing Printers 287Understanding Network Printing Basics 287Creating a Printer. 288Configuring Printer Properties. 289Sharing a Printer 290Establishing Print Permissions. 291Terms to Know. 292Review Questions. 293Appendix A Review Question Answers 295Appendix B Common Acronyms 305Glossary 311Index 325