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Doug Lowe
Networking All-in-One For Dummies
Читать книгу Networking All-in-One For Dummies - Lowe Doug, Doug Lowe - Страница 1
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Networking All-in-One For Dummies® To view this book's Cheat Sheet, simply go to
www.dummies.com
and search for “Networking All-in-One For Dummies Cheat Sheet” in the Search box. Table of Contents
List of Tables
List of Illustrations
Guide
Pages
Страница 8
Страница 9
Страница 10
Welcome to Networking
Defining a Network
Delving into Network Lingo
Why Bother with a Network?
Accessing the Internet
Sharing files
Sharing resources
Sharing programs
Servers and Clients
Dedicated Servers and Peers
What Makes a Network Tick?
Putting the Pieces Together
Networks Big and Small
It’s Not a Personal Computer Anymore!
The Network Administrator
Страница 26
Network Infrastructure
Introducing Infrastructure
Understanding Network Protocols and Standards
Recognizing Network Topology
Bus topology
Star topology
Expanding stars
Ring topology
Mesh topology
Considering Cable
Twisted-pair cable
RJ45 connectors
Patch panels and patch cables
Repeaters and hubs
Switches
Perusing Ports, Interfaces, and MAC Addresses
Pondering Packets
Contemplating Collisions
Dealing with Broadcast Packets
Examining Wireless Networks
Страница 47
Switches, Routers, and VLANs
Understanding Switches
Learning
Forwarding
Flooding
Looking Deeper into Switches
Collision domains
Bridging
SFP ports and uplinks
Broadcast domains
Managed and unmanaged switches
Understanding Routers
Network address translation
Virtual private network
Understanding VLANs
Страница 63
Cybersecurity
But We’re a Small Business — Do We Need Security?
The Two Pillars of Cybersecurity
Prevention
Recovery
Cybersecurity Frameworks
The NIST Cybersecurity Framework
Страница 71
Servers and Virtualization
Understanding Network Operating Systems
Network services
File-sharing services
Multitasking
Directory services
Security services
What’s Important in a Server
Scalability
Reliability
Availability
Service and support
Components of a Server Computer
Motherboard
Processor
Memory
Hard drives
Network interfaces
Video
Power supply
Considering Server Form Factors
Tower case
Rack mount
Blade servers
SAVING SPACE WITH A KVM SWITCH
Considering Virtualization
Страница 98
Cloud Computing
Introducing Cloud Computing
Looking at the Benefits of Cloud Computing
Detailing the Drawbacks of Cloud Computing
Examining Three Basic Kinds of Cloud Services
Applications
Platforms
Infrastructure
Public Clouds versus Private Clouds
Introducing Some of the Major Cloud Providers
Amazon
Google
Microsoft
Getting Into the Cloud
Страница 113
Страница 114
Network Protocols and Standards
Understanding Protocols
Understanding Standards
Seeing the Seven Layers of the OSI Reference Model
The physical layer
The data link layer
The network layer
CSMA/CD IS A MOUTHFUL!
Logical addressing
Routing
The transport layer
The session layer
The presentation layer
The application layer
Following a Packet through the Layers
The Ethernet Protocol
Standard Ethernet
Fast Ethernet
Gigabit Ethernet
Beyond gigabit
The TCP/IP Protocol Suite
10BASE WHAT?
IP
TCP
UDP
THE FASCINATING STORY OF TCP/IP
Other Protocols Worth Knowing About
Страница 142
TCP/IP and the Internet
What Is the Internet?
A Little Internet History
TCP/IP Standards and RFCs
The TCP/IP Protocol Framework
Network interface layer
Network layer
Transport layer
Application layer
Страница 152
IP Addresses
Understanding Binary
Counting by ones
Doing the logic thing
Working with the binary Windows Calculator
Introducing IP Addresses
Networks and hosts
The dotted-decimal dance
Classifying IP Addresses
WHAT ABOUT IPv6?
Class A addresses
Class B addresses
Class C addresses
Subnetting
Subnets
Subnet masks
Network prefix notation
Default subnets
The great subnet roundup
IP block parties
Private and public addresses
Pondering Ports
Understanding Network Address Translation
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