Table of Contents
Introduction xx
Day 31: Network Devices 1
CompTIA Network+ N10-006 Exam Topics 1
Key Topics 1
Common Network Devices 1
Specialty Devices 2
Firewalls 2
IDS and IPS 3
Proxy Server 5
Load Balancer 5
Packet Shaper 6
VPN Concentrator 6
Study Resources 7
Day 30: Network Services and Applications 9
CompTIA Network+ N10-006 Exam Topics 9
Key Topics 9
VPN 9
Types 9
IPsec and IKE 11
Other VPN Technologies 12
Remote Access Services 12
AAA Services 13
Microsoft’s RAS 14
Other Remote Access Services 14
Unified Communications 14
DHCP 15
DNS 17
NAT 18
Study Resources 20
Day 29: WAN Technologies 23
CompTIA Network+ N10-006 Exam Topics 23
Key Topics 23
Packet Switching and Circuit Switching 23
WAN Link Options 24
Home and Small Office 25
Wireless 29
SONET 30
Dedicated Leased Lines 31
Enterprise WANs 32
Study Resources 35
Day 28: Cable Installation 37
CompTIA Network+ N10-006 Exam Topics 37
Key Topics 37
Copper 37
Copper Cables 37
Copper Connectors 40
Fiber 42
Fiber-Optic Cables 43
Fiber Connectors 44
Media Converters 45
Tools 45
Study Resources 48
Day 27: Network Topologies and Infrastructure 49
CompTIA Network+ N10-006 Exam Topics 49
Key Topics 49
Network Topologies 49
Bus 49
Ring 50
Star, Extended Star, and Hub-and-Spoke 51
Full and Partial Mesh 53
Client-Server and Peer-to-Peer 55
Network Infrastructures 57
PANs 57
LANs and WLANs 57
CANs 58
MANs 59
WANs 59
Other Network Infrastructures 59
Industrial Networks 59
Medianets 60
Study Resources 61
Day 26: Implement IPv4 Addressing 63
CompTIA Network+ N10-006 Exam Topics 63
Key Topics 63
Local Addressing 63
MAC Addresses 63
Collision and Broadcast Domains 63
IPv4 Addressing 64
IPv4 Address Structure 64
Private and Public IP Addressing 66
IPv4 Address Types 66
Subnetting in Four Steps 68
Determine How Many Bits to Borrow 68
Determine the New Subnet Mask 69
Determine the Subnet Multiplier 69
List the Subnets, Host Ranges, and Broadcast Addresses 69
Subnetting Example 1 70
Subnetting Example 2 70
Subnetting Example 3 71
VLSM and Classless Addressing 71
Study Resources 74
Day 25: Implement IPv6 Addressing 75
CompTIA Network+ N10-006 Exam Topics 75
Key Topics 75
IPv6 Addressing Overview 75
Representing the IPv6 Address 76
Conventions for Writing IPv6 Addresses 76
Conventions for Writing IPv6 Prefixes 77
IPv6 Address Types 78
Global Unicast Addresses 79
Link-Local Addresses 79
Configuring IPv6 Addressing 80
EUI-64 Concept 81
Stateless Address Autoconfiguration 82
Migration to IPv6 83
Dual-Stack 83
Tunneling 83
Study Resources 86
Day 24: Routing Concepts 87
CompTIA Network+ N10-006 Exam Topics 87
Key Topics 87
Static and Default Routing Overview 87
Dynamic Routing Protocols 88
Route Redistribution 90
IGP and EGP Routing Protocols 90
Distance Vector Routing Protocols 90
Link-State Routing Protocols 91
Classful Routing Protocols 91
Classless Routing Protocols 91
Dynamic Routing Metrics 92
Administrative Distance 93
Routing Loop Prevention 94
Link-State Routing Protocol Features 94
Building the LSDB 95
Calculating the Dijkstra Algorithm 95
Convergence with Link-State Protocols 96
Route Aggregation 97
High Availability 98
Study Resources 99
Day 23: Unified Communications, Virtualization, and Cloud 101
CompTIA Network+ N10-006 Exam Topics 101
Key Topics 101
Unified Communications 101
Quality of Service 105
Virtualization 107
Server Virtualization 108
Networking Device Virtualization 109
Software-Defined Networking 110
Cloud Concepts 111
Storage Area Networks 112
Directly Attached Storage 112
Network-Attached Storage 112
Fibre Channel 113
Fibre Channel over Ethernet 113
iSCSI 114
Study Resources 115
Day 22: Network Design and Documentation 117
CompTIA Network+ N10-006 Exam Topics 117
Key Topics 117
Network Design 117
Sample Design Approach 117
Design Considerations for Layers 1, 2, and 3 118
Wireless Design Considerations 119
Documentation 119
IP Addressing Scheme 119
Network Diagrams 120
Baselines 122
Asset Management 122
Policies and Procedures 122
Study Resources 123
Day 21: Network Monitoring and Metrics 125
CompTIA Network+ N10-006 Exam Topics 125
Key Topics 125
Types of Metrics 125
SNMP 127
SNMP Message Types 127
SNMP Versions 128
The Management Information Base 128
Syslog 130
Syslog Operation 130
Severity Levels 130
Syslog Message Format 131
Port Scanners 132
Packet Sniffers 133
Packet Flow Monitors (NetFlow) 133
Study Resources 136
Day 20: Network Segmentation, Patches, and Updates 137
CompTIA Network+ N10-006 Exam Topics 137
Key Topics 137
Network Segmentation 137
Patches and Updates 139
Study Resources 140
Day 19: Switch Configuration 141
CompTIA Network+ N10-006 Exam Topics 141
Key Topics 141
Evolution to Switching 141
From Bridges to Switches 141
Switch Types 142
Switching Logic 142
Basic Switch Configuration 143
AAA Configuration 145
Link Aggregation Configuration 146
LACP Modes 146
Configuring EtherChannel 147
Port Mirroring Configuration 148
Study Resources 148
Day 18: STP, VLANs, Trunking, and VTP 151
CompTIA Network+ N10-006 Exam Topics 151
Key Topics 151
STP and RSTP Concepts and Operation 151
STP Algorithm 152
STP Convergence 153
Port Costs 154
RSTP Operation 155
RSTP Port Roles 155
VLAN Concepts 156
Reasons for and Benefit of Using VLANs 156
Types of VLANs 157
Trunking VLANs 158
VTP Concepts 159
VTP Modes 160
VTP Operation 160
VTP Pruning 161
Study Resources 162
Day 17: WLAN Implementation 163
CompTIA Network+ N10-006 Exam Topics 163
Key Topics 163
WLAN Features 163
Frequencies 163
Transmission Methods 164
Channels 165
Antennas 166
WLAN Topologies 167
WLAN Devices 167
Wireless Routers 167
Wireless Access Points 168
Wireless LAN Controllers 169
Wireless Bridge 170
Wireless Installation 170
Channels and Frequency Bands 171
Wireless Site Surveys 172
Wireless Router Configuration 172
Study Resources 175
Day 16: Risks, Threats, and Vulnerabilities 177
CompTIA Network+ N10-006 Exam Topics 177
Key Topics 177
Denial of Service 177
Distributed DoS 178
Reflected and Amplified Attacks 178
Other Attack and Threat Terminology 179
Wireless Attacks 180
Vulnerabilities 181
Risk Management 182
Study Resources 183
Day 15: Hardening Devices 185
CompTIA Network+ N10-006 Exam Topics 185
Key Topics 185
Anti-malware Software 185
Device Hardening 185
Disable Unused Network Services 186
Use Secure Protocols 186
Configure Switch Port Security 186
User Authentication 188
Data Integrity and Hashing 189
Wireless Security 190
Study Resources 190
Day 14: Physical Security, Firewalls, Access Control, and Forensics 193
CompTIA Network+ N10-006 Exam Topics 193
Key Topics 193
Physical Security 193
Firewalls 194
Firewall Placement and Configuration 196
Access Control Models 197
Forensic Concepts 198
Study Resources 199
Day 13: Network Models 201
CompTIA Network+ N10-006 Exam Topics 201
Key Points 201
The OSI and TCP/IP Models 201
OSI Layers 202
TCP/IP Layers and Protocols 203
Data Flow Through the Layers 203
Study Resources 204
Day 12: Network Theory 207
CompTIA Network+ N10-006 Exam Topics 207
Key Topics 207
The TCP/IP Application Layer 207
The TCP/IP Transport Layer 207
The TCP/IP Internet Layer 208
The TCP/IP Network Access Layer 208
Collisions 209
Transmission Techniques 209
End-to-End Communication 210
Numbering Systems 211
Study Resources 212
Day 11: Wired and Wireless Standards 213
CompTIA Network+ N10-006 Exam Topics 213
Key Topics 213
Ethernet Standards 213
Wired Standards 213
TIA/EIA 568A and 568B Standards 214
Wireless Standards 215
Study Resources 217
Day 10: Implement Policies, Procedures, and Safety Practices 219
CompTIA Network+ N10-006 Exam Topics 219
Key Topics 219
Policies and Procedures 219
Safety Policies 220
Study Resources 222
Day 9: Best Practices and Change Management 223
CompTIA Network+ N10-006 Exam Topics 223
Key Topics 223
Best Practices 223
Change Management 224
Study Resources 226
Day 8: Implement Ports and Protocols 227
CompTIA Network+ N10-006 Exam Topics 227
Key Topics 227
Transport Protocols: TCP and UDP 227
TCP and UDP Headers 228
Error Recovery 228
Flow Control 229
Connection Establishment and Termination 230
UDP 231
Port Numbers 231
Study Resources 234
Day 7: Troubleshooting Methodology 235
CompTIA Network+ N10-006 Exam Topics 235
Key Topics 235
Identify the Problem 235
Establish a Theory 236
Test the Theory 236
Establish a Plan of Action 236
Implement the Solution or Escalate 237
Verify the Solution and Implement Preventative Measures 237
Document Findings, Actions, and Outcomes 237
Study Resources 237
Day 6: Troubleshooting Tools 239
CompTIA Network+ N10-006 Exam Topics 239
Key Topics 239
Command-Line Tools 239
The ipconfig Command 240
The tracert Command 241
The ping Command 242
Windows pathping Command 244
The arp Command 245
The netstat Command 247
The nbtstat Command 250
The nslookup Command 250
The Cisco show mac-address-table Command 252
Hardware and Software Tools 252
Study Resources 253
Day 5: Troubleshoot Wireless Issues 255
CompTIA Network+ N10-006 Exam Topics 255
Key Topics 255
Wireless Transmission Issues 255
Wireless Configuration Issues 257
Study Resources 258
Day 4: Troubleshoot Copper and Fiber Cabling Issues 259
CompTIA Network+ N10-006 Exam Topics 259
Key Topics 259
Common Copper Cable Issues 259
Common Fiber Cable Issues 260
Study Resources 261
Day 3: Troubleshoot Network Issues 263
CompTIA Network+ N10-006 Exam Topics 263
Key Topics 263
Physical Layer Issues 263
Data Link Layer Issues 264
Network Layer Issues 265
Study Resources 266
Day 2: Troubleshoot Security Issues 267
CompTIA Network+ N10-006 Exam Topics 267
Key Topics 267
Security Configuration Issues 267
Other Security Issues 268
Study Resources 269
Day 1: Troubleshoot WAN Issues 271
CompTIA Network+ N10-006 Exam Topics 271
Key Topics 271
Common WAN Issues 271
Study Resources 273
Exam Day 275
What You Need for the Exam 275
What You Should Receive After Completion 275
Summary 276
Post-Exam Information 277
Receiving Your Certificate 277
Examining Certification Options 277
If You Failed the Exam 278
Summary 278
9780789756473 TOC 1/20/2016
