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Prepare for the Network+ certification and a new career in network installation and administration
In the newly revised Fifth Edition of CompTIA Network+ Study Guide Exam N10-008, bestselling author and network expert Todd Lammle delivers thorough coverage of how to install, configure, and troubleshoot today's basic networking hardware peripherals and protocols.
This book will prepare you to succeed on the sought-after CompTIA Network+ certification exam, impress interviewers in the network industry, and excel in your first role as a junior network administrator, support technician, or related position.
The accomplished author draws on his 30 years of networking experience to walk you through the ins and outs of the five functional domains covered by the Network+ Exam N10-008: Networking fundamentals, implementations, operations, security, and troubleshooting. You'll also get:
* Complete, domain-specific coverage of the updated Network+ Exam N10-008
* Preparation to obtain a leading network certification enjoyed by over 350,000 networking professionals
* Access to a superior set of online study tools, including practice exams, flashcards, and glossary of key terms.
Perfect for anyone preparing for the latest version of the CompTIA Network+ Exam N10-008, the Fifth Edition of CompTIA Network+ Study Guide Exam N10-008 is a must-have resource for network administrators seeking to enhance their skillset with foundational skills endorsed by industry and thought leaders from around the world.
In the newly revised Fifth Edition of CompTIA Network+ Study Guide Exam N10-008, bestselling author and network expert Todd Lammle delivers thorough coverage of how to install, configure, and troubleshoot today's basic networking hardware peripherals and protocols.
This book will prepare you to succeed on the sought-after CompTIA Network+ certification exam, impress interviewers in the network industry, and excel in your first role as a junior network administrator, support technician, or related position.
The accomplished author draws on his 30 years of networking experience to walk you through the ins and outs of the five functional domains covered by the Network+ Exam N10-008: Networking fundamentals, implementations, operations, security, and troubleshooting. You'll also get:
* Complete, domain-specific coverage of the updated Network+ Exam N10-008
* Preparation to obtain a leading network certification enjoyed by over 350,000 networking professionals
* Access to a superior set of online study tools, including practice exams, flashcards, and glossary of key terms.
Perfect for anyone preparing for the latest version of the CompTIA Network+ Exam N10-008, the Fifth Edition of CompTIA Network+ Study Guide Exam N10-008 is a must-have resource for network administrators seeking to enhance their skillset with foundational skills endorsed by industry and thought leaders from around the world.
Prepare for the Network+ certification and a new career in network installation and administration
In the newly revised Fifth Edition of CompTIA Network+ Study Guide Exam N10-008, bestselling author and network expert Todd Lammle delivers thorough coverage of how to install, configure, and troubleshoot today's basic networking hardware peripherals and protocols.
This book will prepare you to succeed on the sought-after CompTIA Network+ certification exam, impress interviewers in the network industry, and excel in your first role as a junior network administrator, support technician, or related position.
The accomplished author draws on his 30 years of networking experience to walk you through the ins and outs of the five functional domains covered by the Network+ Exam N10-008: Networking fundamentals, implementations, operations, security, and troubleshooting. You'll also get:
* Complete, domain-specific coverage of the updated Network+ Exam N10-008
* Preparation to obtain a leading network certification enjoyed by over 350,000 networking professionals
* Access to a superior set of online study tools, including practice exams, flashcards, and glossary of key terms.
Perfect for anyone preparing for the latest version of the CompTIA Network+ Exam N10-008, the Fifth Edition of CompTIA Network+ Study Guide Exam N10-008 is a must-have resource for network administrators seeking to enhance their skillset with foundational skills endorsed by industry and thought leaders from around the world.
In the newly revised Fifth Edition of CompTIA Network+ Study Guide Exam N10-008, bestselling author and network expert Todd Lammle delivers thorough coverage of how to install, configure, and troubleshoot today's basic networking hardware peripherals and protocols.
This book will prepare you to succeed on the sought-after CompTIA Network+ certification exam, impress interviewers in the network industry, and excel in your first role as a junior network administrator, support technician, or related position.
The accomplished author draws on his 30 years of networking experience to walk you through the ins and outs of the five functional domains covered by the Network+ Exam N10-008: Networking fundamentals, implementations, operations, security, and troubleshooting. You'll also get:
* Complete, domain-specific coverage of the updated Network+ Exam N10-008
* Preparation to obtain a leading network certification enjoyed by over 350,000 networking professionals
* Access to a superior set of online study tools, including practice exams, flashcards, and glossary of key terms.
Perfect for anyone preparing for the latest version of the CompTIA Network+ Exam N10-008, the Fifth Edition of CompTIA Network+ Study Guide Exam N10-008 is a must-have resource for network administrators seeking to enhance their skillset with foundational skills endorsed by industry and thought leaders from around the world.
Über den Autor
Todd Lammle, Network+, CCSI, CCNA, CCNP, is the networking authority. He has been involved in computers and networking with Fortune 500 companies for over 30 years. Todd is President of GlobalNet System Solutions, Inc., a networking integration and training firm. He is the bestselling author of numerous titles, with over 900,000 copies of his books in print. He can be reached through his website at [...]
Inhaltsverzeichnis
Introduction xxxi
Assessment Test xli
Chapter 1 Introduction to Networks 1
First Things First: What's a Network? 3
The Local Area Network 4
Common Network Components 6
Metropolitan Area Network 9
Wide Area Network 9
Personal Area Network 10
Campus Area Network 10
Storage Area Network 10
Software-Defined Wide Area Network 11
Multiprotocol Label Switching 11
Multipoint Generic Routing Encapsulation 12
Network Architecture: Peer-to-Peer or Client-Server? 12
Physical Network Topologies 14
Bus Topology 14
Star Topology 15
Ring Topology 17
Mesh Topology 17
Point-to-Point Topology 18
Point-to-Multipoint Topology 19
Hybrid Topology 20
Topology Selection, Backbones, and Segments 21
Selecting the Right Topology 22
The Network Backbone 22
Network Segments 23
Service-Related Entry Points 23
Service Provider Links 23
Virtual Networking 24
Summary 24
Exam Essentials 25
Written Lab 25
Review Questions 26
Chapter 2 The Open Systems Interconnection Specifications 31
Internetworking Models 32
The Layered Approach 33
Advantages of Reference Models 33
The OSI Reference Model 34
The Application Layer 36
The Presentation Layer 37
The Session Layer 37
The Transport Layer 37
The Network Layer 43
The Data Link Layer 46
The Physical Layer 48
Introduction to Encapsulation 49
Modulation Techniques 50
Summary 51
Exam Essentials 51
Written Lab 52
Review Questions 53
Chapter 3 Networking Connectors and Wiring Standards 57
Physical Media 59
Coaxial Cable 60
Twisted-Pair Cable 62
Twinaxial Cable 62
Fiber-Optic Cable 66
Transceivers 71
Media Converters 72
Serial Cables 74
Cable Properties 76
Transmission Speeds 76
Distance 76
Duplex 77
Noise Immunity (Security, EMI) 77
Frequency 77
Wiring Standards 78
T568A vs. T568B 78
Straight-Through Cable 80
Crossover Cable 81
Rolled/Rollover Cable 83
T1 Crossover Cable 83
Installing Wiring Distributions 85
MDF/IDF 85
Summary 87
Exam Essentials 88
Written Lab 88
Review Questions 89
Chapter 4 The Current Ethernet Specifications 93
Network Basics 94
Ethernet Basics 96
Collision Domain 96
Broadcast Domain 97
CSMA/CD 97
Broadband/Baseband 99
Bit Rates vs. Baud Rate 99
Wavelength 99
Half-and Full-Duplex Ethernet 100
Ethernet at the Data Link Layer 102
Binary to Decimal and Hexadecimal Conversion 102
Ethernet Addressing 106
Ethernet Frames 107
Ethernet at the Physical Layer 109
Ethernet over Other Standards (IEEE 1905.1-2013) 115
Ethernet over Power Line 115
Ethernet over HDMI 117
Bidirectional Wavelength-Division Multiplexing (WDM) 117
Course Wavelength-Division Multiplexing (CWDM) 117
Dense Wavelength-Division Multiplexing (DWDM) 117
Summary 118
Exam Essentials 119
Written Lab 119
Review Questions 124
Chapter 5 Networking Devices 129
Common Network Connectivity Devices 132
Network Interface Card 133
Hub 135
Bridge 135
Switch 136
Router 137
Firewall 141
IDS/IPS 142
HIDS 142
Access Point 142
Wireless Range Extender 143
Wireless LAN Controller 143
Load Balancer 144
Contention Methods 144
Dynamic Host Configuration Protocol Server 147
IPAM 152
Other Specialized Devices 152
Multilayer Switch 153
Domain Name Service Server 153
Network Time Protocol 160
Proxy Server 160
Encryption and Content Filtering 162
Analog Modem 163
Packet Shaper 164
VPN Concentrator/Headend 164
Media Converter 165
VoIP PBX 165
VoIP Endpoint 166
NGFW/Layer 7 Firewall 166
VoIP Gateway 166
Cable Modem 166
DSL Modem 166
Networked Devices 167
VoIP Phones 167
Printers 167
Physical Access Control Devices 167
Cameras 167
Heating Ventilation, and Air Conditioning (HVAC) Sensors 167
Internet of Things (IoT) 168
Industrial Control Systems 168
Planning and Implementing a Basic SOHO Network Using Network Segmentation 168
Determining Requirements 169
Switches and Bridges at the Data Link Layer 175
Hubs at the Physical Layer 177
Environmental Considerations 178
Summary 178
Exam Essentials 179
Written Lab 180
Review Questions 181
Chapter 6 Introduction to the Internet Protocol 185
Introducing TCP/IP 188
A Brief History of TCP/IP 188
TCP/IP and the DoD Model 189
The Process/Application Layer Protocols 191
The Host-to-Host Layer Protocols 204
The Internet Layer Protocols 210
Data Encapsulation 220
Summary 224
Exam Essentials 224
Written Lab 225
Review Questions 226
Chapter 7 IP Addressing 231
IP Terminology 233
The Hierarchical IP Addressing Scheme 234
Network Addressing 235
Private IP Addresses (RFC 1918) 239
IPv4 Address Types 241
Layer 2 Broadcasts 242
Layer 3 Broadcasts 242
Unicast Address 243
Multicast Address (Class D) 243
Internet Protocol Version 6 (IPv6) 243
Why Do We Need IPv6? 244
The Benefits of and Uses for IPv6 244
IPv6 Addressing and Expressions 246
Shortened Expression 246
Address Types 247
Special Addresses 248
Stateless Address Autoconfiguration (SLAAC) 249
DHCPv6 (Stateful) 251
Migrating to IPv6 251
Summary 253
Exam Essentials 254
Written Labs 255
Written Lab 7.1 255
Written Lab 7.2 255
Review Questions 257
Chapter 8 IP Subnetting, Troubleshooting IP, and Introduction to NAT 261
Subnetting Basics 263
How to Create Subnets 264
Subnet Masks 265
Classless Inter-Domain Routing (CIDR) 266
Subnetting Class C Addresses 268
Subnetting Class B Addresses 278
Troubleshooting IP Addressing 286
Determining IP Address Problems 289
Introduction to Network Address Translation (NAT) 294
Types of Network Address Translation 295
NAT Names 295
How NAT Works 296
Summary 298
Exam Essentials 298
Written Lab 299
Review Questions 300
Chapter 9 Introduction to IP Routing 305
Routing Basics 306
The IP Routing Process 309
Testing Your IP Routing Understanding 315
Static and Dynamic Routing 316
Summary 319
Exam Essentials 319
Written Lab 320
Review Questions 321
Chapter 10 Routing Protocols 325
Routing Protocol Basics 326
Administrative Distances 327
Classes of Routing Protocols 329
Distance-Vector Routing Protocols 330
Routing Information Protocol (RIP) 332
RIP Version 2 (RIPv2) 332
VLSMs and Discontiguous Networks 333
EIGRP 336
Border Gateway Protocol (BGP) 338
Link-State Routing Protocols 340
Open Shortest Path First (OSPF) 340
Intermediate System-to-Intermediate System (IS-IS) 343
High Availability 344
Hot Standby Router Protocol (HSRP) 346
Virtual Router Redundancy Protocol 350
Advanced IPv6 Concepts 351
Router Advertisement 351
Neighbor Discovery Protocol 353
Tunneling 354
Dual Stack 357
IPv6 Routing Protocols 357
RIPng 358
EIGRPv6 358
OSPFv3 359
Summary 359
Exam Essentials 359
Written Lab 360
Review Questions 361
Chapter 11 Switching and Virtual LANs 365
Networking Before Layer 2 Switching 367
Switching Services 370
Limitations of Layer 2 Switching 371
Bridging vs. LAN Switching 372
Three Switch Functions at Layer 2 372
Distributed Switching 378
Spanning Tree Protocol 378
Spanning Tree Port States 379
STP Convergence 380
Rapid Spanning Tree Protocol 802.1w 381
Virtual LANs 382
VLAN Basics 383
Quality of Service 386
VLAN Memberships 387
Static VLANs 387
Dynamic VLANs 388
Identifying VLANs 388
VLAN Identification Methods 390
VLAN Trunking Protocol 392
VTP Modes of Operation 393
Do We Really Need to Put an IP Address on a Switch? 394
Switch Port Protection 396
Port Bonding 399
Device Hardening 401
Two Additional Advanced Features of Switches 401
Power over Ethernet (802.3af, 802.3at) 401
Port Mirroring/Spanning (SPAN/RSPAN) 404
Summary 405
Exam Essentials 406
Written Lab 406
Review Questions 408
Chapter 12 Wireless Networking 413
Introduction to Wireless Technology 415
Cellular Technologies 418
The 802.11 Standards (Regulatory Impacts) 419
2.4 GHz (802.11b) 421
2.4 GHz (802.11g) 422
5 GHz (802.11a) 423
5 GHz (802.11h) 424
2.4 GHz/5 GHz (802.11n) 425
5 GHz (802.11ac) 426
WiFi 6 (802.11ax) 426
Comparing 802.11 Standards 427
Range and Speed Comparisons 428
Wireless Network Components 428
Wireless Access Points 429
Wireless Network Interface Card 430
Wireless Antennas 431
Installing a Wireless Network 432
Ad Hoc Mode: Independent Basic Service Set 432
Infrastructure Mode: Basic Service Set 433
Wireless Controllers 434
Mobile Hot Spots 436
Signal Degradation 438
Other Network Infrastructure Implementations 438
Technologies That Facilitate the Internet of Things (IoT) 440
Installing and Configuring WLAN Hardware 441
Site Survey 447
Providing Capacity 448
Multiple Floors 449
Location-Based WLAN 450
Site Survey Tools 450
Wireless Security 451
Wireless Threats 451
Open Access 455
Service Set Identifiers, Wired Equivalent Privacy, and Media Access Control Address Authentication 455
Remote Authentication Dial-In User Service (802.1X) 457
Temporal Key Integrity Protocol 458
Wi-Fi Protected Access or WPA2 Pre-Shared Key 459
Summary 462
Exam Essentials 462
Written Lab 464
Review Questions 465
Chapter 13 Using Statistics and Sensors to Ensure Network Availability 469
Performance Metrics/Sensors 471
Device/Chassis 471
Network Metrics 473
SNMP 474
Traps 475
Object Identifiers (OIDs) 476
Management Information Bases (MIBs) 476
Network Device Logs 476
Log Reviews 476
Logging Levels/Severity Levels 480
Interface Statistics/Status 482
Link State (Up/Down) 482
Speed/Duplex 483
Send/Receive Traffic 484
Cyclic Redundancy Checks (CRCs) 485
Protocol Packet and Byte Counts 486
Interface Errors or Alerts 486
CRC Errors 487
Giants and Runts 488
Encapsulation Errors 488
Environmental Factors and Sensors 489
Temperature 489
Humidity 489
Electrical 490
Flooding 495
Baselines 495
NetFlow Data 496
NetFlow Overview and Flows 496
Uptime/Downtime 498
Summary 498
Exam Essentials 498
Written Lab 499
Review Questions 501
Chapter 14 Organizational Documents and Policies 505
Plans and Procedures 507
Change Management 508
Incident Response Plan 510
Disaster Recovery Plan 510
Business Continuity Plan 510
System Life Cycle 511
Standard Operating...
Assessment Test xli
Chapter 1 Introduction to Networks 1
First Things First: What's a Network? 3
The Local Area Network 4
Common Network Components 6
Metropolitan Area Network 9
Wide Area Network 9
Personal Area Network 10
Campus Area Network 10
Storage Area Network 10
Software-Defined Wide Area Network 11
Multiprotocol Label Switching 11
Multipoint Generic Routing Encapsulation 12
Network Architecture: Peer-to-Peer or Client-Server? 12
Physical Network Topologies 14
Bus Topology 14
Star Topology 15
Ring Topology 17
Mesh Topology 17
Point-to-Point Topology 18
Point-to-Multipoint Topology 19
Hybrid Topology 20
Topology Selection, Backbones, and Segments 21
Selecting the Right Topology 22
The Network Backbone 22
Network Segments 23
Service-Related Entry Points 23
Service Provider Links 23
Virtual Networking 24
Summary 24
Exam Essentials 25
Written Lab 25
Review Questions 26
Chapter 2 The Open Systems Interconnection Specifications 31
Internetworking Models 32
The Layered Approach 33
Advantages of Reference Models 33
The OSI Reference Model 34
The Application Layer 36
The Presentation Layer 37
The Session Layer 37
The Transport Layer 37
The Network Layer 43
The Data Link Layer 46
The Physical Layer 48
Introduction to Encapsulation 49
Modulation Techniques 50
Summary 51
Exam Essentials 51
Written Lab 52
Review Questions 53
Chapter 3 Networking Connectors and Wiring Standards 57
Physical Media 59
Coaxial Cable 60
Twisted-Pair Cable 62
Twinaxial Cable 62
Fiber-Optic Cable 66
Transceivers 71
Media Converters 72
Serial Cables 74
Cable Properties 76
Transmission Speeds 76
Distance 76
Duplex 77
Noise Immunity (Security, EMI) 77
Frequency 77
Wiring Standards 78
T568A vs. T568B 78
Straight-Through Cable 80
Crossover Cable 81
Rolled/Rollover Cable 83
T1 Crossover Cable 83
Installing Wiring Distributions 85
MDF/IDF 85
Summary 87
Exam Essentials 88
Written Lab 88
Review Questions 89
Chapter 4 The Current Ethernet Specifications 93
Network Basics 94
Ethernet Basics 96
Collision Domain 96
Broadcast Domain 97
CSMA/CD 97
Broadband/Baseband 99
Bit Rates vs. Baud Rate 99
Wavelength 99
Half-and Full-Duplex Ethernet 100
Ethernet at the Data Link Layer 102
Binary to Decimal and Hexadecimal Conversion 102
Ethernet Addressing 106
Ethernet Frames 107
Ethernet at the Physical Layer 109
Ethernet over Other Standards (IEEE 1905.1-2013) 115
Ethernet over Power Line 115
Ethernet over HDMI 117
Bidirectional Wavelength-Division Multiplexing (WDM) 117
Course Wavelength-Division Multiplexing (CWDM) 117
Dense Wavelength-Division Multiplexing (DWDM) 117
Summary 118
Exam Essentials 119
Written Lab 119
Review Questions 124
Chapter 5 Networking Devices 129
Common Network Connectivity Devices 132
Network Interface Card 133
Hub 135
Bridge 135
Switch 136
Router 137
Firewall 141
IDS/IPS 142
HIDS 142
Access Point 142
Wireless Range Extender 143
Wireless LAN Controller 143
Load Balancer 144
Contention Methods 144
Dynamic Host Configuration Protocol Server 147
IPAM 152
Other Specialized Devices 152
Multilayer Switch 153
Domain Name Service Server 153
Network Time Protocol 160
Proxy Server 160
Encryption and Content Filtering 162
Analog Modem 163
Packet Shaper 164
VPN Concentrator/Headend 164
Media Converter 165
VoIP PBX 165
VoIP Endpoint 166
NGFW/Layer 7 Firewall 166
VoIP Gateway 166
Cable Modem 166
DSL Modem 166
Networked Devices 167
VoIP Phones 167
Printers 167
Physical Access Control Devices 167
Cameras 167
Heating Ventilation, and Air Conditioning (HVAC) Sensors 167
Internet of Things (IoT) 168
Industrial Control Systems 168
Planning and Implementing a Basic SOHO Network Using Network Segmentation 168
Determining Requirements 169
Switches and Bridges at the Data Link Layer 175
Hubs at the Physical Layer 177
Environmental Considerations 178
Summary 178
Exam Essentials 179
Written Lab 180
Review Questions 181
Chapter 6 Introduction to the Internet Protocol 185
Introducing TCP/IP 188
A Brief History of TCP/IP 188
TCP/IP and the DoD Model 189
The Process/Application Layer Protocols 191
The Host-to-Host Layer Protocols 204
The Internet Layer Protocols 210
Data Encapsulation 220
Summary 224
Exam Essentials 224
Written Lab 225
Review Questions 226
Chapter 7 IP Addressing 231
IP Terminology 233
The Hierarchical IP Addressing Scheme 234
Network Addressing 235
Private IP Addresses (RFC 1918) 239
IPv4 Address Types 241
Layer 2 Broadcasts 242
Layer 3 Broadcasts 242
Unicast Address 243
Multicast Address (Class D) 243
Internet Protocol Version 6 (IPv6) 243
Why Do We Need IPv6? 244
The Benefits of and Uses for IPv6 244
IPv6 Addressing and Expressions 246
Shortened Expression 246
Address Types 247
Special Addresses 248
Stateless Address Autoconfiguration (SLAAC) 249
DHCPv6 (Stateful) 251
Migrating to IPv6 251
Summary 253
Exam Essentials 254
Written Labs 255
Written Lab 7.1 255
Written Lab 7.2 255
Review Questions 257
Chapter 8 IP Subnetting, Troubleshooting IP, and Introduction to NAT 261
Subnetting Basics 263
How to Create Subnets 264
Subnet Masks 265
Classless Inter-Domain Routing (CIDR) 266
Subnetting Class C Addresses 268
Subnetting Class B Addresses 278
Troubleshooting IP Addressing 286
Determining IP Address Problems 289
Introduction to Network Address Translation (NAT) 294
Types of Network Address Translation 295
NAT Names 295
How NAT Works 296
Summary 298
Exam Essentials 298
Written Lab 299
Review Questions 300
Chapter 9 Introduction to IP Routing 305
Routing Basics 306
The IP Routing Process 309
Testing Your IP Routing Understanding 315
Static and Dynamic Routing 316
Summary 319
Exam Essentials 319
Written Lab 320
Review Questions 321
Chapter 10 Routing Protocols 325
Routing Protocol Basics 326
Administrative Distances 327
Classes of Routing Protocols 329
Distance-Vector Routing Protocols 330
Routing Information Protocol (RIP) 332
RIP Version 2 (RIPv2) 332
VLSMs and Discontiguous Networks 333
EIGRP 336
Border Gateway Protocol (BGP) 338
Link-State Routing Protocols 340
Open Shortest Path First (OSPF) 340
Intermediate System-to-Intermediate System (IS-IS) 343
High Availability 344
Hot Standby Router Protocol (HSRP) 346
Virtual Router Redundancy Protocol 350
Advanced IPv6 Concepts 351
Router Advertisement 351
Neighbor Discovery Protocol 353
Tunneling 354
Dual Stack 357
IPv6 Routing Protocols 357
RIPng 358
EIGRPv6 358
OSPFv3 359
Summary 359
Exam Essentials 359
Written Lab 360
Review Questions 361
Chapter 11 Switching and Virtual LANs 365
Networking Before Layer 2 Switching 367
Switching Services 370
Limitations of Layer 2 Switching 371
Bridging vs. LAN Switching 372
Three Switch Functions at Layer 2 372
Distributed Switching 378
Spanning Tree Protocol 378
Spanning Tree Port States 379
STP Convergence 380
Rapid Spanning Tree Protocol 802.1w 381
Virtual LANs 382
VLAN Basics 383
Quality of Service 386
VLAN Memberships 387
Static VLANs 387
Dynamic VLANs 388
Identifying VLANs 388
VLAN Identification Methods 390
VLAN Trunking Protocol 392
VTP Modes of Operation 393
Do We Really Need to Put an IP Address on a Switch? 394
Switch Port Protection 396
Port Bonding 399
Device Hardening 401
Two Additional Advanced Features of Switches 401
Power over Ethernet (802.3af, 802.3at) 401
Port Mirroring/Spanning (SPAN/RSPAN) 404
Summary 405
Exam Essentials 406
Written Lab 406
Review Questions 408
Chapter 12 Wireless Networking 413
Introduction to Wireless Technology 415
Cellular Technologies 418
The 802.11 Standards (Regulatory Impacts) 419
2.4 GHz (802.11b) 421
2.4 GHz (802.11g) 422
5 GHz (802.11a) 423
5 GHz (802.11h) 424
2.4 GHz/5 GHz (802.11n) 425
5 GHz (802.11ac) 426
WiFi 6 (802.11ax) 426
Comparing 802.11 Standards 427
Range and Speed Comparisons 428
Wireless Network Components 428
Wireless Access Points 429
Wireless Network Interface Card 430
Wireless Antennas 431
Installing a Wireless Network 432
Ad Hoc Mode: Independent Basic Service Set 432
Infrastructure Mode: Basic Service Set 433
Wireless Controllers 434
Mobile Hot Spots 436
Signal Degradation 438
Other Network Infrastructure Implementations 438
Technologies That Facilitate the Internet of Things (IoT) 440
Installing and Configuring WLAN Hardware 441
Site Survey 447
Providing Capacity 448
Multiple Floors 449
Location-Based WLAN 450
Site Survey Tools 450
Wireless Security 451
Wireless Threats 451
Open Access 455
Service Set Identifiers, Wired Equivalent Privacy, and Media Access Control Address Authentication 455
Remote Authentication Dial-In User Service (802.1X) 457
Temporal Key Integrity Protocol 458
Wi-Fi Protected Access or WPA2 Pre-Shared Key 459
Summary 462
Exam Essentials 462
Written Lab 464
Review Questions 465
Chapter 13 Using Statistics and Sensors to Ensure Network Availability 469
Performance Metrics/Sensors 471
Device/Chassis 471
Network Metrics 473
SNMP 474
Traps 475
Object Identifiers (OIDs) 476
Management Information Bases (MIBs) 476
Network Device Logs 476
Log Reviews 476
Logging Levels/Severity Levels 480
Interface Statistics/Status 482
Link State (Up/Down) 482
Speed/Duplex 483
Send/Receive Traffic 484
Cyclic Redundancy Checks (CRCs) 485
Protocol Packet and Byte Counts 486
Interface Errors or Alerts 486
CRC Errors 487
Giants and Runts 488
Encapsulation Errors 488
Environmental Factors and Sensors 489
Temperature 489
Humidity 489
Electrical 490
Flooding 495
Baselines 495
NetFlow Data 496
NetFlow Overview and Flows 496
Uptime/Downtime 498
Summary 498
Exam Essentials 498
Written Lab 499
Review Questions 501
Chapter 14 Organizational Documents and Policies 505
Plans and Procedures 507
Change Management 508
Incident Response Plan 510
Disaster Recovery Plan 510
Business Continuity Plan 510
System Life Cycle 511
Standard Operating...
Details
| Erscheinungsjahr: | 2021 |
|---|---|
| Genre: | Informatik |
| Rubrik: | Naturwissenschaften & Technik |
| Medium: | Taschenbuch |
| Seiten: | 1040 |
| Inhalt: | 1040 S. |
| ISBN-13: | 9781119811633 |
| ISBN-10: | 1119811635 |
| Sprache: | Englisch |
| Herstellernummer: | 1W119811630 |
| Einband: | Kartoniert / Broschiert |
| Autor: | Lammle, Todd |
| Hersteller: | John Wiley & Sons Inc |
| Maße: | 234 x 188 x 56 mm |
| Von/Mit: | Todd Lammle |
| Erscheinungsdatum: | 21.10.2021 |
| Gewicht: | 1,862 kg |
Über den Autor
Todd Lammle, Network+, CCSI, CCNA, CCNP, is the networking authority. He has been involved in computers and networking with Fortune 500 companies for over 30 years. Todd is President of GlobalNet System Solutions, Inc., a networking integration and training firm. He is the bestselling author of numerous titles, with over 900,000 copies of his books in print. He can be reached through his website at [...]
Inhaltsverzeichnis
Introduction xxxi
Assessment Test xli
Chapter 1 Introduction to Networks 1
First Things First: What's a Network? 3
The Local Area Network 4
Common Network Components 6
Metropolitan Area Network 9
Wide Area Network 9
Personal Area Network 10
Campus Area Network 10
Storage Area Network 10
Software-Defined Wide Area Network 11
Multiprotocol Label Switching 11
Multipoint Generic Routing Encapsulation 12
Network Architecture: Peer-to-Peer or Client-Server? 12
Physical Network Topologies 14
Bus Topology 14
Star Topology 15
Ring Topology 17
Mesh Topology 17
Point-to-Point Topology 18
Point-to-Multipoint Topology 19
Hybrid Topology 20
Topology Selection, Backbones, and Segments 21
Selecting the Right Topology 22
The Network Backbone 22
Network Segments 23
Service-Related Entry Points 23
Service Provider Links 23
Virtual Networking 24
Summary 24
Exam Essentials 25
Written Lab 25
Review Questions 26
Chapter 2 The Open Systems Interconnection Specifications 31
Internetworking Models 32
The Layered Approach 33
Advantages of Reference Models 33
The OSI Reference Model 34
The Application Layer 36
The Presentation Layer 37
The Session Layer 37
The Transport Layer 37
The Network Layer 43
The Data Link Layer 46
The Physical Layer 48
Introduction to Encapsulation 49
Modulation Techniques 50
Summary 51
Exam Essentials 51
Written Lab 52
Review Questions 53
Chapter 3 Networking Connectors and Wiring Standards 57
Physical Media 59
Coaxial Cable 60
Twisted-Pair Cable 62
Twinaxial Cable 62
Fiber-Optic Cable 66
Transceivers 71
Media Converters 72
Serial Cables 74
Cable Properties 76
Transmission Speeds 76
Distance 76
Duplex 77
Noise Immunity (Security, EMI) 77
Frequency 77
Wiring Standards 78
T568A vs. T568B 78
Straight-Through Cable 80
Crossover Cable 81
Rolled/Rollover Cable 83
T1 Crossover Cable 83
Installing Wiring Distributions 85
MDF/IDF 85
Summary 87
Exam Essentials 88
Written Lab 88
Review Questions 89
Chapter 4 The Current Ethernet Specifications 93
Network Basics 94
Ethernet Basics 96
Collision Domain 96
Broadcast Domain 97
CSMA/CD 97
Broadband/Baseband 99
Bit Rates vs. Baud Rate 99
Wavelength 99
Half-and Full-Duplex Ethernet 100
Ethernet at the Data Link Layer 102
Binary to Decimal and Hexadecimal Conversion 102
Ethernet Addressing 106
Ethernet Frames 107
Ethernet at the Physical Layer 109
Ethernet over Other Standards (IEEE 1905.1-2013) 115
Ethernet over Power Line 115
Ethernet over HDMI 117
Bidirectional Wavelength-Division Multiplexing (WDM) 117
Course Wavelength-Division Multiplexing (CWDM) 117
Dense Wavelength-Division Multiplexing (DWDM) 117
Summary 118
Exam Essentials 119
Written Lab 119
Review Questions 124
Chapter 5 Networking Devices 129
Common Network Connectivity Devices 132
Network Interface Card 133
Hub 135
Bridge 135
Switch 136
Router 137
Firewall 141
IDS/IPS 142
HIDS 142
Access Point 142
Wireless Range Extender 143
Wireless LAN Controller 143
Load Balancer 144
Contention Methods 144
Dynamic Host Configuration Protocol Server 147
IPAM 152
Other Specialized Devices 152
Multilayer Switch 153
Domain Name Service Server 153
Network Time Protocol 160
Proxy Server 160
Encryption and Content Filtering 162
Analog Modem 163
Packet Shaper 164
VPN Concentrator/Headend 164
Media Converter 165
VoIP PBX 165
VoIP Endpoint 166
NGFW/Layer 7 Firewall 166
VoIP Gateway 166
Cable Modem 166
DSL Modem 166
Networked Devices 167
VoIP Phones 167
Printers 167
Physical Access Control Devices 167
Cameras 167
Heating Ventilation, and Air Conditioning (HVAC) Sensors 167
Internet of Things (IoT) 168
Industrial Control Systems 168
Planning and Implementing a Basic SOHO Network Using Network Segmentation 168
Determining Requirements 169
Switches and Bridges at the Data Link Layer 175
Hubs at the Physical Layer 177
Environmental Considerations 178
Summary 178
Exam Essentials 179
Written Lab 180
Review Questions 181
Chapter 6 Introduction to the Internet Protocol 185
Introducing TCP/IP 188
A Brief History of TCP/IP 188
TCP/IP and the DoD Model 189
The Process/Application Layer Protocols 191
The Host-to-Host Layer Protocols 204
The Internet Layer Protocols 210
Data Encapsulation 220
Summary 224
Exam Essentials 224
Written Lab 225
Review Questions 226
Chapter 7 IP Addressing 231
IP Terminology 233
The Hierarchical IP Addressing Scheme 234
Network Addressing 235
Private IP Addresses (RFC 1918) 239
IPv4 Address Types 241
Layer 2 Broadcasts 242
Layer 3 Broadcasts 242
Unicast Address 243
Multicast Address (Class D) 243
Internet Protocol Version 6 (IPv6) 243
Why Do We Need IPv6? 244
The Benefits of and Uses for IPv6 244
IPv6 Addressing and Expressions 246
Shortened Expression 246
Address Types 247
Special Addresses 248
Stateless Address Autoconfiguration (SLAAC) 249
DHCPv6 (Stateful) 251
Migrating to IPv6 251
Summary 253
Exam Essentials 254
Written Labs 255
Written Lab 7.1 255
Written Lab 7.2 255
Review Questions 257
Chapter 8 IP Subnetting, Troubleshooting IP, and Introduction to NAT 261
Subnetting Basics 263
How to Create Subnets 264
Subnet Masks 265
Classless Inter-Domain Routing (CIDR) 266
Subnetting Class C Addresses 268
Subnetting Class B Addresses 278
Troubleshooting IP Addressing 286
Determining IP Address Problems 289
Introduction to Network Address Translation (NAT) 294
Types of Network Address Translation 295
NAT Names 295
How NAT Works 296
Summary 298
Exam Essentials 298
Written Lab 299
Review Questions 300
Chapter 9 Introduction to IP Routing 305
Routing Basics 306
The IP Routing Process 309
Testing Your IP Routing Understanding 315
Static and Dynamic Routing 316
Summary 319
Exam Essentials 319
Written Lab 320
Review Questions 321
Chapter 10 Routing Protocols 325
Routing Protocol Basics 326
Administrative Distances 327
Classes of Routing Protocols 329
Distance-Vector Routing Protocols 330
Routing Information Protocol (RIP) 332
RIP Version 2 (RIPv2) 332
VLSMs and Discontiguous Networks 333
EIGRP 336
Border Gateway Protocol (BGP) 338
Link-State Routing Protocols 340
Open Shortest Path First (OSPF) 340
Intermediate System-to-Intermediate System (IS-IS) 343
High Availability 344
Hot Standby Router Protocol (HSRP) 346
Virtual Router Redundancy Protocol 350
Advanced IPv6 Concepts 351
Router Advertisement 351
Neighbor Discovery Protocol 353
Tunneling 354
Dual Stack 357
IPv6 Routing Protocols 357
RIPng 358
EIGRPv6 358
OSPFv3 359
Summary 359
Exam Essentials 359
Written Lab 360
Review Questions 361
Chapter 11 Switching and Virtual LANs 365
Networking Before Layer 2 Switching 367
Switching Services 370
Limitations of Layer 2 Switching 371
Bridging vs. LAN Switching 372
Three Switch Functions at Layer 2 372
Distributed Switching 378
Spanning Tree Protocol 378
Spanning Tree Port States 379
STP Convergence 380
Rapid Spanning Tree Protocol 802.1w 381
Virtual LANs 382
VLAN Basics 383
Quality of Service 386
VLAN Memberships 387
Static VLANs 387
Dynamic VLANs 388
Identifying VLANs 388
VLAN Identification Methods 390
VLAN Trunking Protocol 392
VTP Modes of Operation 393
Do We Really Need to Put an IP Address on a Switch? 394
Switch Port Protection 396
Port Bonding 399
Device Hardening 401
Two Additional Advanced Features of Switches 401
Power over Ethernet (802.3af, 802.3at) 401
Port Mirroring/Spanning (SPAN/RSPAN) 404
Summary 405
Exam Essentials 406
Written Lab 406
Review Questions 408
Chapter 12 Wireless Networking 413
Introduction to Wireless Technology 415
Cellular Technologies 418
The 802.11 Standards (Regulatory Impacts) 419
2.4 GHz (802.11b) 421
2.4 GHz (802.11g) 422
5 GHz (802.11a) 423
5 GHz (802.11h) 424
2.4 GHz/5 GHz (802.11n) 425
5 GHz (802.11ac) 426
WiFi 6 (802.11ax) 426
Comparing 802.11 Standards 427
Range and Speed Comparisons 428
Wireless Network Components 428
Wireless Access Points 429
Wireless Network Interface Card 430
Wireless Antennas 431
Installing a Wireless Network 432
Ad Hoc Mode: Independent Basic Service Set 432
Infrastructure Mode: Basic Service Set 433
Wireless Controllers 434
Mobile Hot Spots 436
Signal Degradation 438
Other Network Infrastructure Implementations 438
Technologies That Facilitate the Internet of Things (IoT) 440
Installing and Configuring WLAN Hardware 441
Site Survey 447
Providing Capacity 448
Multiple Floors 449
Location-Based WLAN 450
Site Survey Tools 450
Wireless Security 451
Wireless Threats 451
Open Access 455
Service Set Identifiers, Wired Equivalent Privacy, and Media Access Control Address Authentication 455
Remote Authentication Dial-In User Service (802.1X) 457
Temporal Key Integrity Protocol 458
Wi-Fi Protected Access or WPA2 Pre-Shared Key 459
Summary 462
Exam Essentials 462
Written Lab 464
Review Questions 465
Chapter 13 Using Statistics and Sensors to Ensure Network Availability 469
Performance Metrics/Sensors 471
Device/Chassis 471
Network Metrics 473
SNMP 474
Traps 475
Object Identifiers (OIDs) 476
Management Information Bases (MIBs) 476
Network Device Logs 476
Log Reviews 476
Logging Levels/Severity Levels 480
Interface Statistics/Status 482
Link State (Up/Down) 482
Speed/Duplex 483
Send/Receive Traffic 484
Cyclic Redundancy Checks (CRCs) 485
Protocol Packet and Byte Counts 486
Interface Errors or Alerts 486
CRC Errors 487
Giants and Runts 488
Encapsulation Errors 488
Environmental Factors and Sensors 489
Temperature 489
Humidity 489
Electrical 490
Flooding 495
Baselines 495
NetFlow Data 496
NetFlow Overview and Flows 496
Uptime/Downtime 498
Summary 498
Exam Essentials 498
Written Lab 499
Review Questions 501
Chapter 14 Organizational Documents and Policies 505
Plans and Procedures 507
Change Management 508
Incident Response Plan 510
Disaster Recovery Plan 510
Business Continuity Plan 510
System Life Cycle 511
Standard Operating...
Assessment Test xli
Chapter 1 Introduction to Networks 1
First Things First: What's a Network? 3
The Local Area Network 4
Common Network Components 6
Metropolitan Area Network 9
Wide Area Network 9
Personal Area Network 10
Campus Area Network 10
Storage Area Network 10
Software-Defined Wide Area Network 11
Multiprotocol Label Switching 11
Multipoint Generic Routing Encapsulation 12
Network Architecture: Peer-to-Peer or Client-Server? 12
Physical Network Topologies 14
Bus Topology 14
Star Topology 15
Ring Topology 17
Mesh Topology 17
Point-to-Point Topology 18
Point-to-Multipoint Topology 19
Hybrid Topology 20
Topology Selection, Backbones, and Segments 21
Selecting the Right Topology 22
The Network Backbone 22
Network Segments 23
Service-Related Entry Points 23
Service Provider Links 23
Virtual Networking 24
Summary 24
Exam Essentials 25
Written Lab 25
Review Questions 26
Chapter 2 The Open Systems Interconnection Specifications 31
Internetworking Models 32
The Layered Approach 33
Advantages of Reference Models 33
The OSI Reference Model 34
The Application Layer 36
The Presentation Layer 37
The Session Layer 37
The Transport Layer 37
The Network Layer 43
The Data Link Layer 46
The Physical Layer 48
Introduction to Encapsulation 49
Modulation Techniques 50
Summary 51
Exam Essentials 51
Written Lab 52
Review Questions 53
Chapter 3 Networking Connectors and Wiring Standards 57
Physical Media 59
Coaxial Cable 60
Twisted-Pair Cable 62
Twinaxial Cable 62
Fiber-Optic Cable 66
Transceivers 71
Media Converters 72
Serial Cables 74
Cable Properties 76
Transmission Speeds 76
Distance 76
Duplex 77
Noise Immunity (Security, EMI) 77
Frequency 77
Wiring Standards 78
T568A vs. T568B 78
Straight-Through Cable 80
Crossover Cable 81
Rolled/Rollover Cable 83
T1 Crossover Cable 83
Installing Wiring Distributions 85
MDF/IDF 85
Summary 87
Exam Essentials 88
Written Lab 88
Review Questions 89
Chapter 4 The Current Ethernet Specifications 93
Network Basics 94
Ethernet Basics 96
Collision Domain 96
Broadcast Domain 97
CSMA/CD 97
Broadband/Baseband 99
Bit Rates vs. Baud Rate 99
Wavelength 99
Half-and Full-Duplex Ethernet 100
Ethernet at the Data Link Layer 102
Binary to Decimal and Hexadecimal Conversion 102
Ethernet Addressing 106
Ethernet Frames 107
Ethernet at the Physical Layer 109
Ethernet over Other Standards (IEEE 1905.1-2013) 115
Ethernet over Power Line 115
Ethernet over HDMI 117
Bidirectional Wavelength-Division Multiplexing (WDM) 117
Course Wavelength-Division Multiplexing (CWDM) 117
Dense Wavelength-Division Multiplexing (DWDM) 117
Summary 118
Exam Essentials 119
Written Lab 119
Review Questions 124
Chapter 5 Networking Devices 129
Common Network Connectivity Devices 132
Network Interface Card 133
Hub 135
Bridge 135
Switch 136
Router 137
Firewall 141
IDS/IPS 142
HIDS 142
Access Point 142
Wireless Range Extender 143
Wireless LAN Controller 143
Load Balancer 144
Contention Methods 144
Dynamic Host Configuration Protocol Server 147
IPAM 152
Other Specialized Devices 152
Multilayer Switch 153
Domain Name Service Server 153
Network Time Protocol 160
Proxy Server 160
Encryption and Content Filtering 162
Analog Modem 163
Packet Shaper 164
VPN Concentrator/Headend 164
Media Converter 165
VoIP PBX 165
VoIP Endpoint 166
NGFW/Layer 7 Firewall 166
VoIP Gateway 166
Cable Modem 166
DSL Modem 166
Networked Devices 167
VoIP Phones 167
Printers 167
Physical Access Control Devices 167
Cameras 167
Heating Ventilation, and Air Conditioning (HVAC) Sensors 167
Internet of Things (IoT) 168
Industrial Control Systems 168
Planning and Implementing a Basic SOHO Network Using Network Segmentation 168
Determining Requirements 169
Switches and Bridges at the Data Link Layer 175
Hubs at the Physical Layer 177
Environmental Considerations 178
Summary 178
Exam Essentials 179
Written Lab 180
Review Questions 181
Chapter 6 Introduction to the Internet Protocol 185
Introducing TCP/IP 188
A Brief History of TCP/IP 188
TCP/IP and the DoD Model 189
The Process/Application Layer Protocols 191
The Host-to-Host Layer Protocols 204
The Internet Layer Protocols 210
Data Encapsulation 220
Summary 224
Exam Essentials 224
Written Lab 225
Review Questions 226
Chapter 7 IP Addressing 231
IP Terminology 233
The Hierarchical IP Addressing Scheme 234
Network Addressing 235
Private IP Addresses (RFC 1918) 239
IPv4 Address Types 241
Layer 2 Broadcasts 242
Layer 3 Broadcasts 242
Unicast Address 243
Multicast Address (Class D) 243
Internet Protocol Version 6 (IPv6) 243
Why Do We Need IPv6? 244
The Benefits of and Uses for IPv6 244
IPv6 Addressing and Expressions 246
Shortened Expression 246
Address Types 247
Special Addresses 248
Stateless Address Autoconfiguration (SLAAC) 249
DHCPv6 (Stateful) 251
Migrating to IPv6 251
Summary 253
Exam Essentials 254
Written Labs 255
Written Lab 7.1 255
Written Lab 7.2 255
Review Questions 257
Chapter 8 IP Subnetting, Troubleshooting IP, and Introduction to NAT 261
Subnetting Basics 263
How to Create Subnets 264
Subnet Masks 265
Classless Inter-Domain Routing (CIDR) 266
Subnetting Class C Addresses 268
Subnetting Class B Addresses 278
Troubleshooting IP Addressing 286
Determining IP Address Problems 289
Introduction to Network Address Translation (NAT) 294
Types of Network Address Translation 295
NAT Names 295
How NAT Works 296
Summary 298
Exam Essentials 298
Written Lab 299
Review Questions 300
Chapter 9 Introduction to IP Routing 305
Routing Basics 306
The IP Routing Process 309
Testing Your IP Routing Understanding 315
Static and Dynamic Routing 316
Summary 319
Exam Essentials 319
Written Lab 320
Review Questions 321
Chapter 10 Routing Protocols 325
Routing Protocol Basics 326
Administrative Distances 327
Classes of Routing Protocols 329
Distance-Vector Routing Protocols 330
Routing Information Protocol (RIP) 332
RIP Version 2 (RIPv2) 332
VLSMs and Discontiguous Networks 333
EIGRP 336
Border Gateway Protocol (BGP) 338
Link-State Routing Protocols 340
Open Shortest Path First (OSPF) 340
Intermediate System-to-Intermediate System (IS-IS) 343
High Availability 344
Hot Standby Router Protocol (HSRP) 346
Virtual Router Redundancy Protocol 350
Advanced IPv6 Concepts 351
Router Advertisement 351
Neighbor Discovery Protocol 353
Tunneling 354
Dual Stack 357
IPv6 Routing Protocols 357
RIPng 358
EIGRPv6 358
OSPFv3 359
Summary 359
Exam Essentials 359
Written Lab 360
Review Questions 361
Chapter 11 Switching and Virtual LANs 365
Networking Before Layer 2 Switching 367
Switching Services 370
Limitations of Layer 2 Switching 371
Bridging vs. LAN Switching 372
Three Switch Functions at Layer 2 372
Distributed Switching 378
Spanning Tree Protocol 378
Spanning Tree Port States 379
STP Convergence 380
Rapid Spanning Tree Protocol 802.1w 381
Virtual LANs 382
VLAN Basics 383
Quality of Service 386
VLAN Memberships 387
Static VLANs 387
Dynamic VLANs 388
Identifying VLANs 388
VLAN Identification Methods 390
VLAN Trunking Protocol 392
VTP Modes of Operation 393
Do We Really Need to Put an IP Address on a Switch? 394
Switch Port Protection 396
Port Bonding 399
Device Hardening 401
Two Additional Advanced Features of Switches 401
Power over Ethernet (802.3af, 802.3at) 401
Port Mirroring/Spanning (SPAN/RSPAN) 404
Summary 405
Exam Essentials 406
Written Lab 406
Review Questions 408
Chapter 12 Wireless Networking 413
Introduction to Wireless Technology 415
Cellular Technologies 418
The 802.11 Standards (Regulatory Impacts) 419
2.4 GHz (802.11b) 421
2.4 GHz (802.11g) 422
5 GHz (802.11a) 423
5 GHz (802.11h) 424
2.4 GHz/5 GHz (802.11n) 425
5 GHz (802.11ac) 426
WiFi 6 (802.11ax) 426
Comparing 802.11 Standards 427
Range and Speed Comparisons 428
Wireless Network Components 428
Wireless Access Points 429
Wireless Network Interface Card 430
Wireless Antennas 431
Installing a Wireless Network 432
Ad Hoc Mode: Independent Basic Service Set 432
Infrastructure Mode: Basic Service Set 433
Wireless Controllers 434
Mobile Hot Spots 436
Signal Degradation 438
Other Network Infrastructure Implementations 438
Technologies That Facilitate the Internet of Things (IoT) 440
Installing and Configuring WLAN Hardware 441
Site Survey 447
Providing Capacity 448
Multiple Floors 449
Location-Based WLAN 450
Site Survey Tools 450
Wireless Security 451
Wireless Threats 451
Open Access 455
Service Set Identifiers, Wired Equivalent Privacy, and Media Access Control Address Authentication 455
Remote Authentication Dial-In User Service (802.1X) 457
Temporal Key Integrity Protocol 458
Wi-Fi Protected Access or WPA2 Pre-Shared Key 459
Summary 462
Exam Essentials 462
Written Lab 464
Review Questions 465
Chapter 13 Using Statistics and Sensors to Ensure Network Availability 469
Performance Metrics/Sensors 471
Device/Chassis 471
Network Metrics 473
SNMP 474
Traps 475
Object Identifiers (OIDs) 476
Management Information Bases (MIBs) 476
Network Device Logs 476
Log Reviews 476
Logging Levels/Severity Levels 480
Interface Statistics/Status 482
Link State (Up/Down) 482
Speed/Duplex 483
Send/Receive Traffic 484
Cyclic Redundancy Checks (CRCs) 485
Protocol Packet and Byte Counts 486
Interface Errors or Alerts 486
CRC Errors 487
Giants and Runts 488
Encapsulation Errors 488
Environmental Factors and Sensors 489
Temperature 489
Humidity 489
Electrical 490
Flooding 495
Baselines 495
NetFlow Data 496
NetFlow Overview and Flows 496
Uptime/Downtime 498
Summary 498
Exam Essentials 498
Written Lab 499
Review Questions 501
Chapter 14 Organizational Documents and Policies 505
Plans and Procedures 507
Change Management 508
Incident Response Plan 510
Disaster Recovery Plan 510
Business Continuity Plan 510
System Life Cycle 511
Standard Operating...
Details
| Erscheinungsjahr: | 2021 |
|---|---|
| Genre: | Informatik |
| Rubrik: | Naturwissenschaften & Technik |
| Medium: | Taschenbuch |
| Seiten: | 1040 |
| Inhalt: | 1040 S. |
| ISBN-13: | 9781119811633 |
| ISBN-10: | 1119811635 |
| Sprache: | Englisch |
| Herstellernummer: | 1W119811630 |
| Einband: | Kartoniert / Broschiert |
| Autor: | Lammle, Todd |
| Hersteller: | John Wiley & Sons Inc |
| Maße: | 234 x 188 x 56 mm |
| Von/Mit: | Todd Lammle |
| Erscheinungsdatum: | 21.10.2021 |
| Gewicht: | 1,862 kg |
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