FULL ENJOY Call Girls In Majnu Ka Tilla, Delhi Contact Us 8377877756
Network Sampoerna
1. Networks Jimmy F G - Thursday, June 12, 2008 Sampoerna Foundation
2.
3.
4. Networks A network is two or more computers connected together so they can communicate which each other. There are 2 main types of network…
5. Networks: LANs LAN stands for: L OCAL A REA N ETWORK LANs are networks that are found where computers within a building need to communicate. They are Small and Local!
6.
7. Networks: WANs WAN stands for: W IDE A REA N ETWORK WANs are networks that are found where computers in different areas or countries need to communicate. They are long range and not local!
8.
9.
10.
11. Networks As well as knowing the advantages and disadvantages of a network… You need to know the advantages and disadvantages of 3 network topologies…
12. Network Topologies There are 3 main types of network topologies: The Ring Network The Bus Network The Star Network
13. Network Topologies The Ring Network: Computers are connected together to form a ring shape so that none of the m is more important than any of the others.
14.
15. Network Topologies The Bus (or line) Network: Computers are connected like bus stops on a main road. None of the m is more important than any of the others.
16.
17. Network Topologies The Star Network: Computers are connected like a star to a central computer such as a mainframe. This is also called the “host” computer.
18.
19. Networks: Security Because networks are almost vital to an organisation’s daily activities, they must be kept safe and secure… There are 3 main types of network security… Physical , Access and Data .
20. Networks: Security Physical security means that the hardware of the network is protected from theft and kept safe.
21. Networks: Security Access security means that there is a limit to the amount of access a user has to the information held on the network.
22. Networks: Security Data security means that there are measures taken to prevent the loss of data held on the system.
23.
24.
25.
26.
27. WANs HW and SW By the end of this section, you will know and understand the hardware and software involved in making a WAN!
![Networks ,[object Object],[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)