CompTIA Network+ Review Guide

Prep for success on the Network+ N10-008 exam and for your new career in network administration with this must-have resource

In the newly updated Fifth Edition of the CompTIA Network+ Review Guide: Exam: N10-008, a leading expert in Network Operations, Jon Buhagiar, delivers a focused and concise handbook for anyone preparing for the new Network+ N10-008 exam or for a career in network administration.

This guide is organized into five parts, with each part corresponding to one of the 5 objective domain areas of the Network+ exam: Fundamentals, Implementations, Operations, Security, and Troubleshooting.

You'll handily learn crucial IT skills like designing and implementing functional networks, configuring and managing essential network devices, using switches and routers to segment network traffic, and securing existing networks. This book also allows you to:

• Quickly and comprehensively prepare for the Network+ N10-008 exam with intuitively organized info and efficient learning strategies

• Discover the skills and techniques required in an entry-level network administration interview and job

• Access the Sybex online learning center, with chapter review questions, full-length practice exams, hundreds of electronic flashcards, and a glossary of key terms

Perfect as a standalone resource for those seeking to succeed on the CompTIA Network+ N10-008 exam or as a companion to the CompTIA Network+ Study Guide and CompTIA Network+ Deluxe Study Guide, this book is an indispensable reference for anyone preparing for a career in network administration, network analysis, or systems engineering.

Autorentext

ABOUT THE AUTHOR

Jon Buhagiar, Network+, A+, CCNA, MCSA, MCSE, BS/ITM, is Supervisor of Network Operations at Pittsburgh Technical College. In addition to teaching, he has been creating course content for the past 20 years. Some of his more recent work can be found on YouTube http://www.youtube.com/networkedminds.

Zusammenfassung
Prep for success on the Network+ N10-008 exam and for your new career in network administration with this must-have resource

In the newly updated Fifth Edition of the CompTIA Network+ Review Guide: Exam: N10-008, a leading expert in Network Operations, Jon Buhagiar, delivers a focused and concise handbook for anyone preparing for the new Network+ N10-008 exam or for a career in network administration.

This guide is organized into five parts, with each part corresponding to one of the 5 objective domain areas of the Network+ exam: Fundamentals, Implementations, Operations, Security, and Troubleshooting.

You'll handily learn crucial IT skills like designing and implementing functional networks, configuring and managing essential network devices, using switches and routers to segment network traffic, and securing existing networks. This book also allows you to:

• Quickly and comprehensively prepare for the Network+ N10-008 exam with intuitively organized info and efficient learning strategies
• Discover the skills and techniques required in an entry-level network administration interview and job
• Access the Sybex online learning center, with chapter review questions, full-length practice exams, hundreds of electronic flashcards, and a glossary of key terms
  Perfect as a standalone resource for those seeking to succeed on the CompTIA Network+ N10-008 exam or as a companion to the CompTIA Network+ Study Guide and CompTIA Network+ Deluxe Study Guide, this book is an indispensable reference for anyone preparing for a career in network administration, network analysis, or systems engineering.

Inhalt

Introduction xvii

Chapter 1 Domain 1.0: Networking Fundamentals 1

1.1 Compare and contrast the Open Systems Interconnection (OSI) model layers and encapsulation concepts 11

OSI Model 12

Protocol Data Units 21

Data Encapsulation and Decapsulation 22

Exam Essentials 26

1.2 Explain the characteristics of network topologies and network types 28

Wired Topologies 28

Types 33

Service-Related Entry Point 39

Virtualization 40

Virtual Networking Components 40

Service Type 43

Service Delivery 48

Exam Essentials 50

1.3 Summarize the types of cables and connectors and explain which is the appropriate type for a solution 51

Media Types 51

Connector Types 55

Transceivers 60

Media Converters 62

Characteristics of Fiber Transceivers 63

Termination Points 65

Copper Cabling Standards 70

Copper Termination Standards 73

Ethernet Deployment Standards 76

Exam Essentials 78

1.4 Given a scenario, configure a subnet and use appropriate IP addressing schemes 80

Private vs Public 80

NAT/PAT 81

IPv4 Concepts 84

IPv6 Concepts 88

Address Assignments 93

Subnetting 99

Virtual IP (VIP) 107

Exam Essentials 108

1.5 Explain common ports and protocols, their application, and encrypted alternatives 110

Protocols and Ports 110

IP Protocol Types 117

Connection-Oriented vs Connectionless 121

Exam Essentials 122

1.6 Explain the use and purpose of network services 123

DNS 123

DHCP Service 132

NTP 137

Exam Essentials 137

1.7 Explain basic corporate and datacenter network architecture 139

Three-Tiered Model 139

Software-Defined Networking 140

Spine and Leaf 142

Traffic Flows 143

Host Locations 144

Network Storage Types 145

Connection Type 147

Exam Essentials 150

1.8 Summarize cloud concepts and connectivity options 151

Characteristics of a Cloud 151

Cloud Delivery Models 152

Types of Services 155

Infrastructure as Code 157

Connectivity Methods 160

Multitenancy 161

Elasticity 161

Scalability 162

Security Implications/Considerations 162

Relationship Between Local and Cloud Resources 163

Exam Essentials 163

Review Questions 165

Chapter 2 Domain 2.0: Network Implementations 169

2.1 Compare and contrast various devices, their features, and their appropriate placement on the network 173

Network Devices 173

Exam Essentials 203

2.2 Compare and contrast routing technologies and bandwidth management concepts 204

Routing 204

Bandwidth Management 212

Exam Essentials 215

2.3 Given a scenario, configure and deploy common Ethernet switching features 216

Characteristics of Ethernet and IP Communications 216

Basic Switch Functions 220

Segmentation and Interface Properties 227

Switching Features 231

Exam Essentials 234

2.4 Given a scenario, install and configure the appropriate wireless standards and technologies 235

802.11 Standards 235

Frequencies 238

Wireless Considerations 239

Wireless Modes of Operation 245

Wireless Security 248

Cellular 252

Exam Essentials 254

Review Questions 256

Chapter 3 Domain 3.0: Network Operations 261

3.1 Given a scenario, use the appropriate statistics and sensors to ensure network availability 265

Performance Metrics 265

SNMP 270

Network Device Logs 274 Interface Statistics/Status 2...