redes informaticas....

1. Examining the Network

3. Scope of Networks Local Area Network Wide Area Network

6. Network Cables Types of Cables Coaxial ThinNet ThickNet 10Base2, 10Base5 Fiber-Optic Twisted-Pair Unshielded (UTP) Shielded (STP) 10BaseT

7. Wireless Communication Devices Wireless Communication Devices Narrowband Radio Transmission Infrared Transmission

9. Bus Topology Terminator Segment Terminator

10. Star Topology Hub

11. Ring Topology

12. Hybrid Topologies Star-Bus Bus Star-Ring

14. Ethernet Collision Detection Carrier Sense Multiple Access Detects signal Transmits signal Collision detected Characteristics Description Access Method CSMA/CD Transfer Speed Standard Ethernet – 10 Mbps Fast Ethernet – 100 Mbps Gigabit Ethernet – 1 Gbps (1000 Mbps)

15. Token Ring Characteristics Description Access Method Token passing Transfer Speed 4 to 16 Mbps for all cable types Physical Ring Logical Ring MSAU

16. Asynchronous Transfer Mode Characteristics Description Access Method Point-to-point. Transfers fixed-sized packets from one computer to another through ATM switching equipment Transfer Speed Fiber-optic at 155 Mbps to 622 Mbps ATM Switch ATM Switch ATM Switch Cell Cell

17. Fiber Distributed Data Interface Characteristics Description Access Method Token passing Transfer Speed Fiber-optic at 155 Mbps to 622 Mbps Primary Ring Secondary Ring

18. Frame Relay Main Office Branch Offices Frame Relay Network Frame Frame Frame Characteristics Access Method Transfer Speed Description Point-to-point Dependent upon transmittal capabilities of digital leased lines

20. Repeaters and Hubs Repeater Hub Repeater Transmits data to all connected computers Hub Transmits data to all connected computers in a star topology

21. Bridges Bridge

22. Switches Switch

23. Routers Router Router Router Router

24. Gateways Gateway Ethernet Token Ring

25. Remote Access Connectivity Types Dial-up Remote Access Remote Access Client Remote Access Server Virtual Private Network Remote Access Client Windows 2000 VPN Server Corporate Intranet Internet Tunnel

30. Lab A: Examining the Network Architecture