1. Examining Network Protocols

2. Overview Introduction to Protocols Protocols and Data Transmissions
Common Protocols
Other Communication Protocols
Remote Access Protocols

3. Introduction to Protocols
Types of Protocols
Open Systems Interconnection (OSI) Reference Model
Protocol Stacks

4. Types of Protocols Open Protocols Vendor-Specific Protocols TCP/IP
Internet
TCP/IP
Vendor-Specific Protocols
IPX/SPX

5. Open Systems Interconnection (OSI) Reference Model
Application Layer
Presentation Layer
Session Layer
Transport Layer
Network Layer
Data Link Layer
Physical Layer

6. Application Protocols
Protocol Stacks
Application Layer
Presentation Layer
Session Layer
Transport Layer
Network Layer
Data Link Layer
Physical Layer
Application Protocols
Transport Protocols
Network Protocols
Application Protocols
Transport Protocols
Network Protocols
Application Layer
Presentation Layer
Session Layer
Transport Layer
Network Layer
Data Link Layer
Physical Layer

7. Protocols and Data Transmissions
Routable/Non-Routable Protocols
Types of Data Transmission

8. Non-Routable Protocols
Routable/Non-Routable Protocols
Non-Routable Protocols
NetBEUI
Router
Routable Protocols
TCP/IP
Router

9. Types of Data Transmissions
Broadcast
Unicast
Multicast

10. Common Protocols
Transmission Control Protocol/Internet Protocol (TCP/IP)
Internetwork Packet Exchange/Sequenced Packet Exchange (IPX/SPX)
NetBIOS Enhanced User Interface (NetBEUI)
AppleTalk

11. Transmission Control Protocol/Internet Protocol (TCP/IP)
Routed Network Environment
Segment 1
Segment 2
TCP/IP
Windows Client
Router

12. Internetwork Packet Exchange/Sequenced Packet Exchange (IPX/SPX)
Routed Network Environment
Windows 2008
Server
NetWare Client
Segment 1
Segment 2
IPX/SPX
IPX/SPX
Router

13. NetBIOS Enhanced User Interface (NetBEUI)
Routed Network Environment
Segment 1
Segment 2
Windows Client
NetBEUI
Router
Routed Network Environment
Segment 1
Segment 2
NetBEUI
Windows Client
Router

14. Routed Network Environment
AppleTalk
Routed Network Environment
Segment 1
Segment 2
AppleTalk
Macintosh Client
Windows 2008
Server
Router

15. Other Communication Protocols
Asynchronous Transfer Mode (ATM)
Infrared Data Association (IrDA)

16. Asynchronous Transfer Mode (ATM)
Transmission of Video, Audio, or Data by Using ATM
ATM Switch

17. Infrared Data Association (IrDA)
Wireless Communication by Using IrDA
Windows Client
Mouse
Laptop

18. Remote Access Protocols
Dial-up Protocols
VPN Protocols

19. Dial-up Protocols TCP/IP PPP NetBEUI TCP/IP or IPX/SPX PPP TCP/IP SLIP
Internet
TCP/IP
PPP
Remote Access Client
Windows 2008 Professional
Remote Access Server Windows 2008 Server
NetBEUI
TCP/IP
or IPX/SPX
PPP
TCP/IP
SLIP
Local Area Network
Remote Access Server Windows 2008 Server
UNIX SLIP
Server

20. TCP/IP, IPX/SPX, NetBEUI traffic
VPN Protocols
Internetwork must be IP-based
Header compression
No tunnel authentication
Uses MPPE encryption
PPTP
Internetwork can be IP, frame relay, X.25, or ATM-based
Header compression
Tunnel authentication
Uses IPSec encryption
L2TP
Remote Access Client
Remote Access Server
TCP/IP, IPX/SPX, NetBEUI traffic
PPTP or L2TP
Ensures data security in IP-based communications
Can be used by both PPTP and L2TP
IPSec

21. Review Introduction to Protocols Protocols and Data Transmissions
Common Protocols
Other Communication Protocols
Remote Access Protocols