Produktbild: CCST Cisco Certified Support Technician Study Guide

CCST Cisco Certified Support Technician Study Guide Networking Exam

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Beschreibung

Produktdetails

Einband

Taschenbuch

Erscheinungsdatum

09.11.2023

Verlag

John Wiley & Sons

Seitenzahl

464

Maße (L/B/H)

18,6/23,6/3,3 cm

Gewicht

862 g

Auflage

1. Auflage

Sprache

Englisch

ISBN

978-1-394-20580-6

Beschreibung

Produktdetails

Einband

Taschenbuch

Erscheinungsdatum

09.11.2023

Verlag

John Wiley & Sons

Seitenzahl

464

Maße (L/B/H)

18,6/23,6/3,3 cm

Gewicht

862 g

Auflage

1. Auflage

Sprache

Englisch

ISBN

978-1-394-20580-6

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DE
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  • Produktbild: CCST Cisco Certified Support Technician Study Guide
  • Introduction xxi

    Assessment Test xxxi

    Chapter 1 Internetworking 1

    Internetworking Basics 2

    Internetworking Models 10

    The Layered Approach 10

    Advantages of Reference Models 11

    The OSI Reference Model 12

    The Application Layer 14

    The Presentation Layer 15

    The Session Layer 15

    The Transport Layer 15

    The Network Layer 21

    The Data Link Layer 23

    The Physical Layer 26

    Summary 29

    Exam Essentials 29

    Review Questions 31

    Chapter 2 Introduction to TCP/IP 33

    Introducing TCP/IP 34

    A Brief History of TCP/IP 34

    TCP/IP and the DoD Model 35

    The Process/Application Layer Protocols 37

    The Host- to- Host or Transport Layer Protocols 46

    The Internet Layer Protocols 55

    IP Addressing 64

    IP Terminology 64

    The Hierarchical IP Addressing Scheme 65

    Private IP Addresses (RFC 1918) 70

    IPv4 Address Types 71

    Layer 2 Broadcasts 71

    Layer 3 Broadcasts 72

    Unicast Address 72

    Multicast Address 73

    Summary 74

    Exam Essentials 75

    Review Questions 77

    Chapter 3 Easy Subnetting 81

    Subnetting Basics 82

    How to Create Subnets 83

    Subnet Masks 84

    Classless Inter-Domain Routing (CIDR) 86

    IP Subnet-Zero 87

    Subnetting Class C Addresses 88

    Using a Subnet Calculator 99

    Subnetting Class B Addresses 99

    Subnetting Class A Addresses 107

    Summary 110

    Exam Essentials 111

    Review Questions 112

    Chapter 4 Network Address Translation (NAT) & IPv6 115

    When Do We Use NAT? 116

    Types of Network Address Translation 118

    NAT Names 118

    How NAT Works 119

    Why Do We Need IPv6? 120

    The Benefits and Uses of IPv 6 122

    IPv6 Addressing and Expressions 123

    Shortened Expression 123

    Address Types 124

    Special Addresses 126

    How IPv6 Works in an Internetwork 127

    Manual Address Assignment 127

    Stateless Autoconfiguration (EUI- 64) 128

    Neighbor Discovery (NDP) 129

    Summary 130

    Exam Essentials 131

    Review Questions 133

    Chapter 5 IP Routing 137

    Routing Basics 138

    The IP Routing Process 141

    Testing Your IP Routing Understanding 146

    Configuring IP Routing 151

    Static Routing 151

    Default Routing 153

    Dynamic Routing 154

    Routing Protocol Basics 154

    Summary 156

    Exam Essentials 156

    Review Questions 158

    Chapter 6 Switching 161

    Switching Services 162

    Three Switch Functions at Layer 2 163

    VLAN Basics 169

    Broadcast Control 172

    Security 173

    Flexibility and Scalability 173

    Identifying VLANs 174

    Assigning Switch Ports to VLANs 176

    Routing Between VLANs 178

    Summary 180

    Exam Essentials 180

    Review Questions 182

    Chapter 7 Cables and Connectors 185

    The Basic Network Topologies 186

    Local Area Networks 187

    Wide Area Networks 189

    Metropolitan Area Networks 190

    Campus Area Networks 190

    Personal Area Networks 190

    Storage Area Networks 190

    Physical Network Topologies 191

    Bus Topology 191

    Star Topology 192

    Ring Topology 193

    Mesh Topology 194

    Point- to- Point Topology 195

    Point- to- Multipoint Topology 196

    Hybrid Topology 197

    Physical Media 197

    Coaxial Cable 198

    Fiber- Optic Cable 204

    Summary 208

    Exam Essentials 208

    Review Questions 209

    Chapter 8 Wireless Technologies 213

    Wireless Networks 215

    Wireless Personal Area Networks 215

    Wireless Local Area Networks 216

    Wireless Metro Area Networks 216

    Wireless Wide Area Networks 217

    Basic Wireless Devices 217

    Wireless Access Points 217

    Wireless Network Interface Card 219

    Wireless Antennas 220

    Wireless Principles 220

    Independent Basic Service Set (Ad Hoc) 220

    Basic Service Set 222

    Infrastructure Basic Service Set 222

    Service Set ID 222

    Extended Service Set 224

    Nonoverlapping Wi- Fi channels 225

    2.4 GHz Band 225

    5 GHz Band (802.11ac) 226

    Wi- Fi 6 (802.11ax) 228

    Interference 229

    Range and Speed Comparisons 229

    Cellular Technologies 229

    Technologies That Facilitate the Internet of Things 231

    Wireless Security 232

    Authentication and Encryption 232

    Wep 233

    WPA and WPA2: An Overview 234

    Wpa 3 236

    Network Host Utilities 238

    Windows 239

    MacOS 247

    Linux 251

    Apple 256

    Android 260

    Summary 264

    Exam Essentials 265

    Review Questions 266

    Chapter 9 Cisco Devices 271

    Status Lights 272

    Connecting to a Cisco Device 273

    Physical Ports and Cables 275

    Console Port 275

    Serial Port 277

    Fiber Port 278

    SFPs 279

    Ethernet Ports 279

    Straight- Through Cable 281

    Crossover Cable 282

    PoE 283

    Remote Access 284

    Terminal Emulators 284

    Remote Desktop Gateway/Remote Desktop Protocol 284

    Telnet 285

    Secure Shell 287

    Virtual Private Networks 289

    Network Management Systems 290

    Cloud- Managed Network (Meraki) 291

    Scripts 292

    Cisco Device show Commands 295

    show running- config (show run) 295

    show cdp neighbors 296

    Documenting a Network Topology Using CDP 299

    Show ip route 301

    Show version 302

    Show inventory 303

    Show switch 304

    Show mac- address- table 305

    Show interface 307

    Show ip interface brief 309

    Privilege Level 310

    The Help Command 311

    Auto- Complete 313

    Summary 314

    Exam Essentials 314

    Review Questions 315

    Chapter 10 Security 319

    Firewalls 320

    Controlling Network Access 321

    Access Control Lists 322

    Confidentiality, Integrity, Availability 324

    Confidentiality 324

    Integrity 324

    Availability 324

    Authentication Methods 324

    Multifactor 324

    Authentication, Authorization, and Accounting 325

    Encryption 327

    Certificates 329

    Hashes 330

    Active Directory (Identity) 330

    Identity Service Engine Authentication 332

    Password Complexity 332

    Threats 334

    Vulnerabilities 335

    Common Vulnerabilities and Exposures 335

    Zero- Day 335

    Exploits 336

    Social Engineering 336

    Phishing 336

    Malware 336

    Denial of Service/Distributed Denial of Service 338

    Summary 340

    Exam Essentials 340

    Review Questions 341

    Chapter 11 Cloud & IoT 343

    Cloud Computing and Its Effect on the Enterprise Network 344

    Cloud Concepts 346

    Service Models 347

    Cloud Endpoints 350

    VoIP- IoT Applications 351

    Summary 352

    Exam Essentials 353

    Review Questions 354

    Chapter 12 Troubleshooting 357

    Help Desk 358

    The Security Policy 359

    Ticketing 361

    Information Gathering Using Network Documentation 362

    Using SNMP 362

    Schematics and Diagrams 363

    Documentation and Diagrams 367

    Physical Network Diagram 367

    Logical Network Diagram 368

    Seven- Step Troubleshooting Process 368

    Define the Problem 369

    Gather Information 369

    Analyze the Information 369

    Eliminate Possible Causes 370

    Propose a Hypothesis 370

    Test the Hypothesis 370

    Solve the Problem 370

    Wireshark 371

    Filtering and Saving 372

    Diagnostic Commands 373

    Firewalls 374

    IP Config 375

    Using Diagnostic Commands to Solve Network Issues 383

    Network Bandwidth and Throughput 388

    Speed Tests vs. iPerf 388

    Summary 391

    Exam Essentials 391

    Review Questions 393

    Appendix Answers to Review Questions 395

    Chapter 1: Internetworking 396

    Chapter 2: Introduction to TCP/IP 397

    Chapter 3: Easy Subnetting 398

    Chapter 4: Network Address Translation (NAT) and IPv 6 399

    Chapter 5: IP Routing 400

    Chapter 6: Switching 401

    Chapter 7: Cables and Connectors 402

    Chapter 8: Wireless Technologies 403

    Chapter 9: Cisco Devices 404

    Chapter 10: Security 405

    Chapter 11: Cloud & IoT 406

    Chapter 12: Troubleshooting 407

    Index 409