Essential last-minute review aid for the updated CompTIA Network+ Exam N10-007

CompTIA Network+ Review Guide Exam N10-007, 4th Edition, is your ideal study companion for preparing for the CompTIA Network+ exam (N10-007). Organized by exam objectives, this is a focused, concise review guide that works hand-in-hand with any learning tool, including the Sybex CompTIA Network+ Study Guide, CompTIA Network+ Deluxe Study Guide, and CompTIA Network+ Practice Tests. The book is broken into 5 parts, each part corresponding to one of the 5 objective domain areas of the Network+ exam: Network Architecture; Network Operations; Network Security; Troubleshooting; and Industry Standards, Practices, and Network Theory. Readers will also be given access to the comprehensive online Sybex test bank, which includes two bonus practice tests, electronic flashcards, and a glossary of terms that you'll need to know come exam day.

CompTIA's Network+ certification covers advances in networking technology, and reflects changes in associated job tasks. The exam places greater emphasis on network implementation and support, and includes expanded coverage of wireless networking topics. This review guide gives you the opportunity to identify your level of knowledge while there's still time to study, and avoid exam-day surprises.

* Review network architecture and security

* Understand network operations and troubleshooting

* Gain insight into industry standards and best practices

* Get a firmer grasp of network theory fundamentals

If you're looking for a beginning, vendor-neutral networking certification, look no further than CompTIA Network+.

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 17 years. Some of his more recent work can be found on Youtube http://www.youtube.com/networkedminds.

Inhalt

Introduction xxiv

Chapter 1 Domain 1.0: Networking Concepts 1

1.1 Explain the purposes and uses of ports and protocols. 8

Protocols and Ports 8

Protocol Types 14

Exam Essentials 19

1.2 Explain devices, applications, protocols and services at their appropriate OSI layers. 20

Application Layer 21

Presentation Layer 22

Session Layer 22

Transport Layer 23

Network Layer 25

Data Link Layer 26

Physical Layer 29

Exam Essentials 29

1.3 Explain the concepts and characteristics of routing and switching. 30

Properties of Network Traffic 30

Segmentation and Interface Properties 35

Routing 48

IPv6 Concepts 56

Performance Concepts 60

NAT/PAT 63

Port Forwarding 66

Access Control List 67

Distributed Switching 68

Packet Switched vs. Circuit-Switched Networks 69

Software-Defined Networking 69

Exam Essentials 70

1.4 Given a scenario, configure the appropriate IP addressing components. 72

Private vs. public 72

Loopback and Reserved 73

Default Gateway 74

Virtual IP 74

Subnet Mask 75

Subnetting 76

Address Assignments 84

Exam Essentials 88

1.5 Compare and contrast the characteristics of network topologies, types, and technologies. 89

Wired Topologies 89

Wireless Topologies 94

Types 98

Technologies That Facilitate the Internet of Things (IoT) 99

Exam Essentials 102

1.6 Given a scenario, implement the appropriate wireless technologies and configurations. 103

802.11 Standards 103

Cellular 106

Frequencies 107

Speed and Distance Requirements 109

Channel Bandwidth 110

Channel Bonding 110

MIMO/MU-MIMO 111

Unidirectional/Omnidirectional 112

Site Surveys 113

Exam Essentials 114

1.7 Summarize cloud concepts and their purposes. 115

Types of Services 116

Cloud Delivery Models 117

Connectivity Methods 119

Security Implications/Considerations 119

Relationship between Local and Cloud Resources 120

Exam Essentials 120

1.8 Explain the functions of network services. 121

DNS 121

DHCP Service 129

NTP 134

IPAM 134

Exam Essentials 135

Review Questions 137

Chapter 2 Domain 2.0: Infrastructure 143

2.1 Given a scenario, deploy the appropriate cabling solution. 148

Media types 148

PVC vs. Plenum 152

Connector types 153

Transceivers 158

Characteristics of fiber transceivers 160

Termination points 161

Copper cabling standards 164

Copper termination standards 166

Ethernet deployment standards 169

Exam Essentials 170

2.2 Given a scenario, determine the appropriate placement of networking devices on a network and install/configure them. 171

Firewall 171

Routers 172

Switches 173

Hubs 173

Bridges 174

Modems 174

Wireless access point 175

Media Converters 175

Wireless range extender 175

VoIP endpoint 176

Exam Essentials 176

2.3 Explain the purposes and use cases for advanced networking devices. 176

Multilayer switch 177

Wireless controller 177

Load balancer 178

IDS and IPS 178

Proxy Servers 179

VPN concentrator 181

AAA/RADIUS server 181

UTM appliance 182

NGFW/Layer 7 firewall 182

VoIP PBX 183

VoIP gateway 184

Content filter 185

Exam Essentials 185