CCENT/CCNA: ICND1 100-105 certification guide : learn computer network essentials and enhance your networking skills by obtaining the CCENT certification

목차 (Table of Contents)

• CONTENTS
• Preface = 1
• Chapter 1 : Introduction to Computer Networks = 7
• From ARPANET to internet = 8
• What is a computer network? = 9
• Requirements for designing a computer network = 10
• Types of computer networks = 10
• Personal area network (PAN) = 11
• Local area network (LAN) = 11
• Metropolitan area network (MAN) = 12
• Wide area network (WAN) = 12
• Computer network topologies = 14
• Physical topology = 14
• Logical topology = 18
• Computer network components = 19
• Clients = 19
• Servers = 19
• Hosts and nodes = 20
• Network interface = 20
• Peripheral devices = 21
• Applications and shared data = 22
• Hubs and switches = 22
• Routers = 23
• Infrastructure components = 23
• Firewall = 24
• Wireless access point = 24
• Wireless access controller = 25
• Computer network architectures = 25
• Peer-to-peer networking (P2P) = 26
• ClienUserver networking = 27
• Network operating system (NOS) = 27
• Windows = 28
• Linux = 28
• macOS X Server = 29
• Network medium = 30
• Twisted pairs = 30
• Coaxial = 30
• Fibre optic = 31
• Infrared and Bluetooth = 32
• Radio waves = 32
• Satellite = 32
• Converged networks = 32
• Growing complexity of networks = 33
• Elements of converged networks = 33
• Access, distribution, and core layers = 34
• Network trends = 34
• Summary = 35
• Questions = 39
• Chapter 2 : Communication in Computer Networks = 41
• How do computers communicate? = 42
• Message encoding = 43
• Message formatting and encapsulation = 43
• Message size = 44
• Message timing = 44
• Message delivery types = 45
• Unicast transmission = 45
• Multicast transmission = 46
• Broadcast transmission = 46
• Types of communication channels = 47
• Simplex = 48
• Half-duplex = 48
• Full-duplex = 49
• Communication protocols = 49
• Characteristics of communication protocols = 49
• Well-known communication protocols = 51
• OSI and TCPIIP model overview = 53
• TCP / IP protocol model = 54
• OSI reference model = 55
• OSI layers and their protocols = 56
• Physical layer protocols = 57
• Data link layer protocols = 57
• Network layer protocols = 58
• Transport layer protocols = 58
• Session layer protocols = 58
• Presentation layer protocols = 59
• Application layer protocols = 59
• Ethernet communication technology = 60
• Ethernet history = 60
• Ethernet protocols =61
• Ethernet frame = 63
• Ethernet MAC addresses = 64
• Ethernet's CSMA CD vs. Ethernet's CSMA CA = 65
• The IP addresses and subnets = 65
• IPv4 network addresses = 65
• IPv6 network addresses = 71
• Subnetting = 75
• Summary = 79
• Questions = 82
• Chapter 3 : Introduction to Switching = 85
• What is switch? = 86
• Switch essentials = 86
• MAC address table = 87
• MAC learning and aging = 88
• Frame switching = 89
• Frame flooding = 90
• Switching general concepts = 91
• Ingress and egress ports = 91
• Source and destination MAC addresses = 91
• Switched networks = 95
• The role of switched networks = 95
• Features of the switch = 96
• Frame forwarding methods = 99
• Store-and-forward switching = 99
• Cut-through switching = 99
• Switching domains = 101
• Collision domains = 101
• Broadcast domains = 101
• Network congestion = 102
• Switch port settings = 102
• Duplex and speed settings = 102
• Auto-MDIX = 103
• Overview of VLANs = 104
• VLAN segmentation = 104
• VLANs in a multiswitched environment = 106
• Ethernet's frame overview = 109
• Ethernet frame encapsulation = 109
• Ethernet frame fields = 110
• Ethernet frame processing = 112
• Switch security = 113
• Secure remote access = 113
• Port security operation = 114
• Summary = 115
• Questions = 116
• Chapter 4 : Setting Up the Switch = 119
• Basic switch configuration = 120
• Configuration with initial settings = 120
• Configuring ports = 129
• Configuring VLANs = 130
• Configuring VLAN trunks = 130
• Configuring legacy inter-VLAN routing = 132
• Scenario - Router with multiple interfaces = 133
• Verifying VLAN information on a switch = 133
• Configuring router-on-a-stick inter-VLAN routing = 134
• Scenario - Router with a single interface = 135
• Verifying VLAN information on a switch = 135
• Configuring remote access = 136
• Configuring Telnet = 137
• Configuring SSH = 137
• Configuring switch port security = 138
• Summary = 140
• Questions = 142
• Chapter 5 : Introduction to Routing = 145
• Routing concepts = 146
• Understanding host routing = 147
• Routing operations = 152
• Switching packets = 152
• Sending packets = 154
• Path determination = 158
• What is a router? = 162
• A router is a computer = 162
• Router's CPU and OS = 164
• Anatomy of a router = 165
• Connecting to a router = 166
• LAN and WAN interfaces = 166
• Boot up the router = 167
• Router's boot up process = 167
• Bootset files = 168
• Router routing tables = 168
• Understanding packet forwarding = 169
• IPv4 routing table = 169
• Directly connected routing table entries = 170
• Remote network routing table entries = 170
• Next-hop IP address = 171
• Routing types = 171
• Static routing = 171
• Dynamic routing = 172
• Summary = 174
• Questions = 177
• Chapter 6 : Setting up the Router = 179
• Connecting the router to a PC and turning it on = 180
• Router LED indicators = 180
• Console access = 180
• Turning on the router = 181
• Show version output = 183
• Router's initial configuration = 185
• Configuring basic router settings = 185
• Configuring 1Pv4 and 1Pv6 addresses on router interfaces = 187
• Configuring static routes and default static routes = 189
• Configuring 1Pv4 static routes and default static routes = 189
• Configuring 1Pv6 static routes and default static routes = 191
• Configuring Routing Information Protocol (RIP) = 193
• lnterVLAN configuration = 195
• Router-on-a-stick interVLAN configuration = 196
• Summary = 198
• Questions = 199
• Chapter 7 : Networking Services and Maintenance = 203
• Dynamic Host Configuration Protocol overview = 204
• Assigning 1Pv4 addresses dynamically = 204
• Assigning 1Pv6 addresses dynamically = 206
• Network Address Translator overview = 209
• Configuring static NAT = 210
• Configuring dynamic NAT = 210
• Configuring PAT = 211
• Configuring port forwarding = 211
• NAT and IPv6 = 212
• Network Time Protocol overview = 212
• Configuring and verifying NTP = 213
• Cisco Discovery Protocol and Link-Layer Discovery Protocol overview = 214
• Device discovery with COP = 214
• Device discovery with LLDP = 215
• System logging overview = 217
• Configuring syslog = 219
• Device maintenance = 220
• Router and switch file maintenance = 220
• lOS system files = 242
• lOS image management = 244
• Software licensing = 249
• License verification and management = 251
• Traffic management = 253
• Summary = 253
• Questions = 255
• Chapter 8 : Network Troubleshooting = 259
• Troubleshooting methodologies = 260
• Basic approaches = 260
• Resolve or escalate? = 261
• Verifying and monitoring solutions = 262
• Troubleshooting scenarios = 262
• IP addressing issues on networking devices = 262
• IP addressing issues on end devices = 263
• Default gateway issues = 264
• Troubleshooting DNS issues = 264
• Troubleshooting cables and interfaces = 264
• Cable problems = 265
• Duplex operation = 265
• Duplex mismatch = 266
• Switch troubleshooting = 266
• Recovering from a system crash = 266
• Network access layer issues = 266
• Troubleshooting network access layer issues = 267
• Ports in error-disabled state = 268
• Router troubleshooting = 269
• Verifying IPv4 interface settings = 270
• Verifying IPv6 interface settings = 270
• The show history command = 271
• Troubleshooting a missing route = 272
• Solving a connectivity problem = 272
• Troubleshooting VLANs = 273
• IP addressing issues with VLANs = 273
• Troubleshooting Access Control Lists = 273
• Processing packets with ACLs = 274
• Common IPv4 standard ACL errors = 274
• Troubleshooting DHCP = 275
• Troubleshooting DHCPv4 = 275
• Troubleshooting DHCPv6 = 276
• Troubleshooting NAT = 276
• The show ip NAT commands = 276
• The debug ip NAT command = 276
• Basic network performance = 277
• The ping command = 278
• The traceroute and tracert commands = 279
• The show commands = 280
• Command syntax = 281
• The debug command = 282
• Network security = 283
• Security threats and vulnerabilities = 283
• Network attacks = 284
• Network attack mitigation = 285
• Device security = 285
• Summary = 286
• Questions = 288
• Chapter 9 : Studying and Preparing for ICND 1 (100-105) Exam = 291
• What is the ICND 1 (100-105) exam? = 291
• What are the ICND 1 (100-105) exam topics? = 292
• Topic 1.0-Network fundamentals (20％) = 292
• Topic 2.0- LAN switching fundamentals (26％) = 294
• Topic 3.0- Routing fundamentals (25％) = 295
• Topic 4.0- Infrastructure services (15％) = 296
• Topic 5.0- Infrastructure maintenance (14％) = 296
• What to expect in the ICND 1 (100-105) exam = 298
• How to prepare for the ICON 1 (100-105) exam = 298
• How to register for the ICND 1 (100-105) exam? = 299
• On the day of the ICND 1 (100-105) exam = 299
• Post-ICND 1 (100-105) exam certification path = 300
• Appendix A : Appendix A : Answers to Chapter Questions = 301
• Chapter 1-Answers = 301
• Chapter 2-Answers = 302
• Chapter 3-Answers = 302
• Chapter 4-Answers = 303
• Chapter 5-Answers = 303
• Chapter 6-Answers = 304
• Chapter 7-Answers = 305
• Chapter 8- Answers = 306
• Appendix B : Appendix B : Cisco Device Icons = 307
• Cisco network topology icons = 307
• Appendix C : Appendix C : Numbering Systems and Conversions = 313
• Binary numbering system = 313
• Decimal to binary conversion = 314
• Binary to decimal conversion = 315
• Octal numbering system = 315
• Decimal to octal conversion = 316
• Hexadecimal numbering system = 316
• Decimal to hexadecimal conversion = 317
• Appendix D : Appendix D : Boolean Algebra = 319
• AND operation = 319
• OR operation = 319
• NOT operation = 320
• Appendix E : Appendix E : Subnetting = 321
• Example-Class A subnetting = 321
• Example Class B subnetting = 322
• Example-Class C subnetting = 322
• Appendix F : Appendix F : Cisco Packet Tracer = 323
• Downloading Packet Tracer = 323
• Installing Packet Tracer = 324
• Appendix G : Appendix G : Graphical Network Simulator-3 (GNS3} = 327
• Downloading GNS3 = 327
• Installing GNS3 = 329
• Other Books you may enjoy = 331
• Index = 333