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CCST Cisco Certified Support Technician Study Guide. Networking Exam. Edition No. 1. Sybex Study Guide

  • Book

  • 464 Pages
  • November 2023
  • John Wiley and Sons Ltd
  • ID: 5842693

The ideal prep guide for earning your CCST Networking certification

CCST Cisco Certified Support Technician Study Guide: Networking Exam is the perfect way to study for your certification as you prepare to start or upskill your IT career. Written by industry expert and Cisco networking guru Todd Lammle, this Sybex Study Guide uses the trusted Sybex approach, providing 100% coverage of CCST Networking exam objectives. You’ll find detailed information and examples for must-know Cisco networking topics, as well as practical insights drawn from real-world scenarios.

This Study Guide provides authoritative coverage of key exam topics, including standards and concepts, addressing and subnet formats, endpoints and media types, infrastructure, diagnosing problems, and security. You also get one year of FREE access to a robust set of online learning tools, including a test bank with hundreds of questions, a practice exam, a set of flashcards, and a glossary of important terminology, all supported by Wiley's support agents who are available 24x7 via email or live chat to assist with access and login questions. The CCST Networking certification is an entry point into the Cisco certification program, and a pathway to the higher-level CCNA, so it’s a great place to start as you build a rewarding career!

  • Study 100% of the topics covered on the Cisco CCST Networking certification exam
  • Get access to flashcards, practice questions, and more great resources online
  • Master difficult concepts with real-world examples and clear explanations
  • Learn about the career paths you can follow and what comes next after the CCST

This Sybex study guide is perfect for anyone wanting to earn their CCST Networking certification, including entry-level network technicians, networking students, interns, and IT professionals.

Table of Contents

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

Authors

Todd Lammle Donald Robb