Internet and Network Communications


This course is designed to provide fundamental knowledge on the building blocks of data communications systems.  If you want to become a competent professional in the computer networking industry, either in an entry-level technical position, technical sales, or marketing position, this course is a necessity.

This is your first step into the IT field.  From here, you'll successfully move on to Understanding Networking Fundamentals or Internetworking Routers and Switches.

To register call 916-852-2570

This course can be delivered by the methods below:
Classroom Learning $1295 USD
Virtual Classroom e-Learning $895 USD

You Learn...

A solid, fundamental understanding of the Internet Protocol (IP)
About technology in understandable language – NOT the technical specifications
To identify where TCP/IP, Ethernet, Frame Relay, ATM, IP addresses, routing, switching, and other networking technologies fit into the Internet.
To make sound purchase and deployment decisions
To understand the tools at your disposal to manage and protect networks
To develop your ability to communicate with technical professionals and customers by exploring applications for networking hardware, software, and protocols
To make technically sound purchase and deployment decisions based on newfound knowledge of the structure, function, and components of WAN services as well as the differences between routers and switches
To see where different technologies fit into a network architecture by grasping how data flows in networks using the OSI model

Who Would Benefit

Entry-level and newly hired technical professionals, including PC support, help desk, Networking Professionals. Technical professionals interested in taking Understanding Network Fundamentals who have gaps in their overall technical competence. End users who need to understand the fundamentals of network operation. Sales and Marketing Professionals looking to increase their ability to communicate to technical professionals which will result in increased sales.

 

Course Outline

1. Networking Overview

The big picture
What is computer networking?
Basic network types
Physical connectivity
Physical segmentation
Logical segmentation
Networking applications
Metropolitan Area Networks (MANs)
Wide Area Networks (WANs)
Enterprise networks

2. Information Fundamentals

The need for communication networks
Network models
The general communications model
The networking conversational model
Voice or analog signal characteristics
Digital signals
Differential mathematical base systems
Base-2 signaling
Data or digital signal characteristics
Measurement values
Clocking for digital signal transmission
Analog vs. digital
Pulse Code Modulation (PCM)
Compression
Multiplexing
Signal regeneration
Information demands on networks
Transmission modes
Simplex
Half-duplex
Full-duplex

3. Moving Data in Networks

Basic network structure
Frames
Basic frame structure
Communications within the LAN
Communications between networks
Network addressing
Media Access Control (MAC) addresses
IP addresses
Communications within the LAN using IP addresses
Communications between networks using IP addresses
Internet Protocol (IP) routing analogy
Network routing
End-to-end frame and packet sequence
The conversational model
Name resolution
Frequently asked questions

4. Network Models

The conversational model
The generic protocol stack
Protocols and interfaces
Functional derivation of the Open System Interconnection (OSI) model
The International Organization of Standardization's (ISO) OSI model
OSI data structures
Implementing the OSI model
The function of OSI protocol layers
How OSI layers are used
Contrasting the OSI and TCP/IP models

5. The Electrical Conversation

Local Area Network (LAN) origin and evolution
IEEE project 802
MAC technique: CSMA/CD and Ethernet
IEEE 802.2 Logical Link Control
Ethernet frame formats
Network Interface Card (NIC)
MAC addressing
Layer 1
Topologies
Coaxial cable
Network cable options
Unshielded Twisted Pair (UTP)
LAN interfaces
Fiber optic cable

6. The Computer Conversation

Transport layer
Connection-oriented protocols
Connectionless protocols
Network layer
IPv4 addressing
IPv4 network address classes
Extracting the network address
The subnet mask
Subnetting
Network address translation
Network address translation with ports

7. The Human Conversation

What is an operating system?
Computer operating system functions
Network operating system functions
Local operating system and network operating system interoperability
Network services
File services
Print services
Application services
Messaging services
Remote access services
Firewall services
Network security
Firewall types and evolution
Network management
Network management using SNMP
Network monitoring

8. Internetworking

The OSI model and internetworking devices
Repeaters and hubs
Bridges
Layer 2 switches
Cut-through vs. store-and-forward switches
Why LAN switching?
Routers
Layer 3 switches
Routing and routed protocols
Gateways as protocol converters

9. WAN: Convergence in the World of Voice Telecommunications

Convergence
Voice
Data
Image
Video
Telecommunications before 1962
Leased digital services
Introduction of T-carrier system in 1962
Proliferation of T-carrier system
Public Switched Telephone Network
WAN switched vs. leased lines
Typical WAN circuit services
T/E/J carrier systems hierarchy
Leased digital lines
Integrated Services Digital Network (ISDN) layers
Basic Rate Interface (BRI)
Primary Rate Interface (PRI)
Contrasting T1/E1/J1 and PRI
Network topologies: Wide Area Network (WAN)
Channel Service Unit/Data Service Unit (CSU/DSU) basics
Multiplexing saves money
Time Division Multiplexing (TDM)
Voice and data convergence
Optical multiplexing

10. WAN: Convergence in the World of Data Communications

Packet switched networks
WAN virtual circuit services
X.25
Layers
Packet switched network
Logical channel
Packet Assembler/Disassembler (PAD)
Frame Relay
Layers
Network
Bandwidth on demand
Committed Information Rate (CIR)
Asynchronous Transfer Mode (ATM)
Sublayers
Cell Switched network
Traffic mix
Service characteristics and application examples
Synchronous Optical Network (SONET)
Sublayers
Topologies and physical hierarchy
SONET cell: 810 bytes
Synchronous Digital Hierarchy (SDH)
Accessing the WAN
XDSL
Typical Asymmetric Digital Subscriber Line (ADSL) setup in the home
DSL alternatives
Typical cable modem setup in the home
Cellular Digital Packet Data (CDPD)
Digital microwave
Satellite

11. The Internet

The information superhighway
Internet control
Original 13 Internet sites
The physical Internet
Today's structure
Internet applications
Locating information

 

Suggested Prerequisites

There are no prerequisites for this course.

 

Suggested Follow-ons

Students followed up Internet and Network Communications by attending these popular classes:

Understanding Networking Fundamentals
Internetworking Routers & Switches