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Basics of Data (Packet-Switched) Networks [Two Days]
Prerequisites: none
Who should attend:
Any employee who needs to understand the applications, functions, systems, and workings of a Packet-Switched Network.
Description:
This course describes the infrastructure of a Packet-Switched Data Network. It begins with an overview of data networks evolution and revolution and the split focus in the early days. Various forms of data transmission are described and contrasted and differences in switching and routing are clarified. Addressing, one of the most challenging aspects to a data network, is carefully explained with clear explanations given for private and public addresses as well as globally-significant and locally-significant addresses.
The course ends with a review of the opening case study for application of information learned.
Note: This course parallels the Basics of Telephony (Circuit-Switched) Networks course for the beneficial result of easier comparisons between these two differing technologies.
1. Introduction and Overview
| a. |
From Mainframe to Desktop |
| b. |
The Curriculum-Wide Model |
| c. |
The Network Software Model |
| d. |
Global Definitions/Vocabulary |
| e. |
Case-Study Introduced |
2. Transmission
| a. |
Analog and Digital Basics |
| b. |
Packet Multiplexing Schemes |
| c. |
Fiber and Wireless for Data |
| d. |
Telco Distribution "Problems" |
| e. |
xDSL Product Family |
| f. |
Cable Networks for Access |
3. Switching
| a. |
Buffering and Broadcasting |
| b. |
Layer 2 Switching: LAN/WAN |
| c. |
Hubs, Switches, Routers, Gateways |
| d. |
Edge Switches |
| e. |
QoS Alternatives |
| f. |
Core Switches (MPLS) |
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4. Signaling and Routing
| a. |
Addresses |
| b. |
Routable/Non-Routable Addresses |
| c. |
Myths of Routing |
| d. |
Router Functions |
| e. |
NATs and NPATs |
| f. |
RIP, OSPF and BGP4 |
5. Virtual Private Networks
| a. |
Definition and Services |
| b. |
Addressing |
| c. |
Build or Buy |
| d. |
QoS and SLAs |
| e. |
Encryption versus Tunneling |
| f. |
New competitors |
6. Case Application
| a. |
Setting the Scene |
| b. |
What services do we need? |
| c. |
What are the alternatives? |
| d. |
What steps do we take |
| e. |
What to watch for |
7. Final Assessments
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