Exam N10-008
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Köp båda 2 för 801 krTodd 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 www.lammle.com.
Introduction xxxi Assessment Test xli Chapter 1 Introduction to Networks 1 First Things First: Whats 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