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Network + Guide to Network

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An Introduction to Networking / 1
Why Use Networks? / 2
Types of Networks / 3
Peer-to-Peer Networks / 3
Client/Server Networks / 5
LANs, MANs, and WANs / 7
Elements Common to Client/Server Networks / 9
How Networks Are Used / 12
File and Print Services/ 12
Access Services / 13
Communications Services / 13
Internet Services / 14
Management Services / 14
Becoming a Networking Professional / 16
Mastering the Technical Challenges / 16
Developing Your Soft Skills / 17
Pursuing Certification / 18
Finding a Job in Networking / 19
Joining Professional Associations / 20
Chapter Summary / 20
Key Terms/ 22
Review Questions / 26
Hands-On Projects / 29
Case Projects / 35
CHAPTER 2
Networking Standards and the OSI Model / 37
Networking Standards Organizations / 39
ANSI / 40
EIA and TIA / 40
IEEE / 40
ISO / 41
ITU / 41
ISOC / 41
IANA and ICANN / 42
The OSI Model / 42
Application Layer / 44
Presentation Layer / 45
Session Layer / 46
Transport Layer / 47
Network Layer / 50
Data Link Layer / 51
Physical Layer / 55
Applying the OSI Model56
• Communication Between Two Systems 56
• Frame Specifications 58
IEEE Networking Specifications 59
Chapter Summary 60
Key Terms 61
Review Questions67
Hands-On Projects 70
Case Projects 73
CHAPTER 3
Transmission Basics and Networking Media75
Transmission Basics77
• Analog and Digital Signaling 77
• Data Modulation82
• Simplex, Half-Duplex, and Duplex 82
• Multiplexing 84
• Relationships Between Nodes 87
• Throughput and Bandwidth88
• Baseband and Broadband 89
• Transmission Flaws 90
Common Media Characteristics 93
• Throughput93
• Cost93
• Noise Immunity94
• Size and Scalability95
• Connectors and Media Converters 95
Coaxial Cable96
Twisted Pair Cable99
• STP (Shielded Twisted Pair) 100
• UTP (Unshielded Twisted Pair)101
• Comparing STP and UTP103
• Terminating Twisted Pair Cable104
Fiber-Optic Cable108
• SMF (Single-Mode Fiber)112
• MMF (Multimode Fiber)112
• Fiber-Optic Converters 112
Serial Cables113
Structured Cabling116
Best Practices for Cable Installation and Management 120
Chapter Summary122
Key Terms124
Review Questions132
Hands-On Projects135
Case Projects137
CHAPTER 4
Introduction to TCP/IP Protocols139
Characteristics of TCP/IP (Transmission Control Protocol/Internet Protocol) 141
The TCP/IP Model141
The TCP/IP Core Protocols 142
• TCP (Transmission Control Protocol)143
• UDP (User Datagram Protocol)147
• IP (Internet Protocol)148
• IGMP (Internet Group Management Protocol) 152
• ARP (Address Resolution Protocol) 152
• ICMP (Internet Control Message Protocol) 153
IPv4 Addressing 153
• Binary and Dotted Decimal Notation 157
• Subnet Mask 157
IPv6 Addressing 158
Assigning IP Addresses 159
• DHCP (Dynamic Host Configuration Protocol)160
• Private and Link-Local Addresses 163
Sockets and Ports 164
Host Names and DNS (Domain Name System) 166
• Domain Names167
• Host Files168
• DNS (Domain Name System) 169
• Configuring DNS 172
• DDNS (Dynamic DNS)173
Application Layer Protocols 174
• Telnet 174
• FTP (File Transfer Protocol) 174
• TFTP (Trivial File Transfer Protocol)175
• NTP (Network Time Protocol)176
• PING (Packet Internet Groper)176
Chapter Summary178
Key Terms180
Review Questions187
Hands-On Projects190
Case Projects195
CHAPTER 5
Topologies and Ethernet Standards197
Simple Physical Topologies 199
• Bus199
• Ring200
• Star 201
Hybrid Topologies203
• Star-Wired Ring203
• Star-Wired Bus 203
Logical Topologies204
Backbone Networks205
• Serial Backbone205
• Distributed Backbone206
• Collapsed Backbone 207
• Parallel Backbone208
Switching209
• Circuit Switching 209
• Packet Switching 210
• MPLS (Multiprotocol Label Switching) 210
Ethernet 211
• CSMA/CD (Carrier Sense Multiple Access with Collision Detection)212
• Ethernet Standards for Copper Cable214
• Ethernet Standards for Fiber-Optic Cable217
• 10-Gigabit Fiber-Optic Standards 218
Summary of Common Ethernet Standards 219
Ethernet Frames220
• Using and Configuring Frames 221
• Frame Fields221
• Ethernet II (DIX) 222
PoE (Power over Ethernet)222
Chapter Summary224
Key Terms 226
Review Questions231
Hands-On Projects234
Case Projects239
CHAPTER 6
Network Hardware, Switching, and Routing 241
NICs (Network Interface Cards)243
• Types of NICs 243
• Installing and Configuring NICs246
Modular Interfaces252
Repeaters and Hubs 254
Bridges254
Switches 256
• Switch Installation257
• Switching Methods 259
• VLANs and Trunking 260
• STP (Spanning Tree Protocol)264
• Content and Multilayer Switches267
Routers267
• Router Characteristics and Functions 268
• Routing Protocols271
Gateways and Other Multifunction Devices274
Chapter Summary275
Key Terms 277
Review Questions282
Hands-On Projects286
Case Projects289
CHAPTER 7
Wide Area Networks 291
WAN Essentials 293
WAN Topologies 294
• Bus 295
• Ring295
• Star297
• Mesh 298
• Tiered 298
PSTN299
X25 and Frame Relay303
ISDN306
T-Carriers 308
• Types of T-Carriers 308
• T-Carrier Connectivity 310
DSL (Digital Subscriber Line) 314
• Types of DSL 314
• DSL Connectivity 316
Broadband Cable317
BPL (Broadband over Powerline)320
ATM (Asynchronous Transfer Mode) 320
SONET (Synchronous Optical Network) 321
WAN Technologies Compared324
Chapter Summary 325
Key Terms328
Review Questions 334
Hands-On Projects 338
Case Projects 341
CHAPTER 8
Wireless Networking 343
The Wireless Spectrum345
Characteristics of Wireless Transmission 346
• Antennas 346
• Signal Propagation347
• Signal Degradation348
• Frequency Ranges349
• Narrowband, Broadband, and Spread-Spectrum Signals 349
• Fixed vs Mobile 351
WLAN (Wireless LAN) Architecture352
80211 WLANs 354
• Access Method355
• Association 356
• Frames359
• 80211b 361
• 80211a 361
• 80211g 361
• 80211n 361
Implementing a WLAN364
• Determining the Design365
• Configuring Wireless Connectivity Devices 367
• Configuring Wireless Clients 368
• Avoiding Pitfalls 370
Wireless WANs370
• 80216 (WiMAX)371
• Cellular374
• Satellite376
Chapter Summary378
Key Terms 380
Review Questions386
Hands-On Projects389
Case Projects394
CHAPTER 9
In-Depth TCP/IP Networking 397
Designing TCP/IP-Based Networks399
• Subnetting399
• CIDR (Classless Interdomain Routing)408
• Subnetting in IPv6409
• Internet Gateways410
• Address Translation 412
TCP/IP Mail Services415
• SMTP (Simple Mail Transfer Protocol) 416
• MIME (Multipurpose Internet Mail Extensions) 416
• POP (Post Office Protocol)417
• IMAP (Internet Message Access Protocol) 417
Additional TCP/IP Utilities418
• Ipconfig 419
• Ifconfig420
• Netstat420
• Nbtstat423
• Hostname, Host, and Nslookup423
• Dig 424
• Traceroute (Tracert) 425
• Mtr (my traceroute) 427
• Route 428
Chapter Summary430
Key Terms 432
Review Questions435
Hands-On Projects439
Case Projects444
CHAPTER 10
Virtual Networks and Remote Access445
Virtualization 447
Virtual Network Components449
• Virtual Machines and Adapters 450
• Virtual Switches and Bridges 451
• Network Connection Types 452
• Virtual Appliances457
Virtual Networks and VLANs457
Remote Access and Virtual Computing460
• Dial-Up Networking460
• Remote Access Servers 462
• Remote Access Protocols 463
• Remote Virtual Computing463
VPNs (Virtual Private Networks)465
Cloud Computing 468
Chapter Summary 470
Key Terms473
Review Questions 476
Hands-On Projects 480
Case Projects 491
CHAPTER 11
Network Security493
Security Assessment495
Security Risks496
• Risks Associated with People496
• Risks Associated with Transmission and Hardware497
• Risks Associated with Protocols and Software498
• Risks Associated with Internet Access500
An Effective Security Policy501
• Security Policy Goals501
• Security Policy Content502
• Response Policy503
Physical Security503
Security in Network Design505
• Router Access Lists 505
• Intrusion Detection and Prevention506
• Firewalls 508
• Proxy Servers 511
• Scanning Tools512
• Lures 513
NOS (Network Operating System) Security 514
• Logon Restrictions514
• Passwords515
Encryption516
• Key Encryption516
• PGP (Pretty Good Privacy)520
• SSL (Secure Sockets Layer)521
• SSH (Secure Shell)522
• SCP (Secure CoPy) and SFTP (Secure File Transfer Protocol)522
• IPSec (Internet Protocol Security)523
Authentication Protocols524
• RADIUS and TACACS+525
• PAP (Password Authentication Protocol)526
• CHAP and MS-CHAP 526
• EAP (Extensible Authentication Protocol)528
• 8021x (EAPoL)528
• Kerberos 529
Wireless Network Security531
• WEP (Wired Equivalent Privacy)531
• IEEE 80211i and WPA (Wi-Fi Protected Access)532
Chapter Summary534
Key Terms 536
Review Questions545
Hands-On Projects549
Case Projects553
CHAPTER 12
Voice and Video over IP 555
Terminology557
VoIP Applications and Interfaces558
• Analog Telephones558
• IP Telephones 561
• Softphones 563
Video-over-IP Applications and Interfaces 565
• Streaming Video 566
• IPTV (IP Television) 567
• Videoconferencing569
Signaling Protocols 571
• H323 571
• SIP (Session Initiation Protocol) 573
• MGCP (Media Gateway Control Protocol) and MEGACO (H248) 575
Transport Protocols 577
• RTP (Real-time Transport Protocol) 577
• RTCP (Real-time Transport Control Protocol)578
QoS (Quality of Service) Assurance578
• RSVP (Resource Reservation Protocol) 579
• DiffServ (Differentiated Service)579
• MPLS (Multiprotocol Label Switching) 580
Chapter Summary580
Key Terms 583
Review Questions587
Hands-On Projects590
Case Projects594
CHAPTER 13
Troubleshooting Network Problems 595
Troubleshooting Methodology 597
• Identify the Problem and Its Symptoms 598
• Establish a Theory of Probable Cause604
• Test the Theory to Determine Cause 608
• Establish a Plan of Action to Resolve the Problem 611
• Implement the Solution or Escalate as Necessary613
• Verify Full System Functionality614
• Document Findings, Actions, and Outcomes 615
Troubleshooting Tools617
• Tone Generator and Tone Locator617
• Multimeter 618
• Cable Continuity Testers 620
• Cable Performance Testers621
• Voltage Event Recorders622
• Butt Set623
• Network Monitors624
• Protocol Analyzers626
• Wireless Network Testers 628
Chapter Summary 629
Key Terms631
Review Questions 634
Hands-On Projects 638
Case Projects 640
CHAPTER 14
Ensuring Integrity and Availability643
What Are Integrity and Availability?645
Malware647
• Malware Types and Characteristics648
• Malware Protection 650
Fault Tolerance 652
• Environment653
• Power 653
• Network Design 656
• Servers664
• Storage666
Data Backup 669
• Backup Media and Methods 670
• Backup Strategy672
• Disaster Recovery 674
• Disaster Recovery Planning674
• Disaster Recovery Contingencies674
Chapter Summary 675
Key Terms678
Review Questions 683
Hands-On Projects 687
Case Projects 691
CHAPTER 15
Network Management693
Fundamentals of Network Management 695
• Documentation695
• Baseline Measurements 698
• Policies, Procedures, and Regulations 700
Fault and Performance Management701
• Network Management Systems 701
• System and Event Logs 703
• Traffic Shaping704
• Caching 706
Asset Management 707
Change Management707
• Software Changes708
• Hardware and Physical Plant Changes712
Chapter Summary717
Key Terms 719
Review Questions721
Hands-On Projects725
Case Projects729
APPENDIX A
Appendix: Network+ Examination Objectives731
Domain 10 Networking Concepts—21% of Examination731
Network+ Examination Objectives—Networking Concepts 731
Domain 20 Network Installation and Configuration—23% of Examination735
Network+ Examination Objectives—Network Installation and Configuration735
Domain 30 Network Media and Topologies—17% of Examination737
Network+ Examination Objectives—Network Media and Topologies 737
Domain 40 Network Management—20% of Examination 741
Network+ Examination Objectives—Network Management741
Domain 50 Network Security—19% of Examination 743
Network+ Examination Objectives—Network Security743
APPENDIX B
Network+ Practice Exam747
APPENDIX C
Appendix: Visual Guide to Connectors775
APPENDIX D
Network Operating System Basics 777
Characteristics of Network Operating Systems777
• Network Operating Systems and Servers778
• Client Support 779
• Directory Services783
• Sharing Applications786
• Sharing Printers787
• Managing System Resources 789
Windows Server 2008 R2 791
• Hardware Requirements792
• NTFS (New Technology File System) 793
• Active Directory794
UNIX and Linux 801
• Common Characteristics of UNIX and Linux 801
• Versions of UNIX and Linux802
• Hardware Requirements803
• Multiprocessing804
• Memory Allocation 804
• The Kernel 804
• File and Directory Structure 805
• File Systems 805
• A UNIX and Linux Command Sampler 806

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Series Title

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Call Number

004.65 DEA n

Publisher

: .,

Collation

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Language

Indonesia

ISBN/ISSN

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Classification

004.65

Content Type

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Media Type

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Carrier Type

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Edition

6th

Subject(s)

Computer Network
Telecommunications Engineers--Certification
telecomunication engineering

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