Computer Networks

Description

Mind Map on Computer Networks, created by Laura Peña on 23/03/2017.
Laura Peña
Mind Map by Laura Peña, updated more than 1 year ago
Laura Peña
Created by Laura Peña about 8 years ago
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Resource summary

Computer Networks
  1. Server/Client
    1. Server
      1. Client
      2. Types of Networks and Coverage
        1. LAN
          1. Local area networks cover a small physical area.
          2. WLAN
            1. Wireless local area networks enable users to move around within a larger coverage area, but still be wirelessly connected to a network.
            2. WAN
              1. Wide area networks cover a broad area.
              2. MAN
                1. Metropolitan area networks are very large networks that cover an entire city
                2. PAN
                  1. Personal area networks are used for communication among various devices such as telephones.
                  2. DNS
                    1. The domain name system is a hierarchical decentralized naming system for computers, services, or any resource connected to the internet or a private network.
                  3. History
                    1. Tim Berners-Lee
                      1. Inventor of world wide web.
                        1. www
                          1. it is an information space where documents and other web resources are identified by uniform resource locators (URLs), linked by an hypertext links, and can be accessed via internet.
                      2. ARPANET
                        1. The advanced research projects agency network was an early packet switching network and the first network to implement the protocol suite.
                      3. Protocols
                        1. IP
                          1. Internet Protocol
                          2. NCP
                            1. Network Control Program
                            2. TCP
                              1. Transmission control protocol
                              2. FTP
                                1. File transfer program
                              3. Security
                                1. Firewall
                                  1. Controls incoming and outcomig network
                                  2. Performance
                                    1. Well of performance
                                    2. Security
                                      1. Policies and practices
                                      2. HTTP
                                        1. Hypertext transfer protocol
                                        2. Reliability
                                          1. If it works as expected.
                                        3. Types of computers
                                          1. Micro computer
                                            1. Mini Computer
                                              1. MAcro Computer
                                                1. Super Computer
                                                2. Topology
                                                  1. BUS
                                                    1. Nodes directly connected to a common linear half-duplex link.
                                                    2. RING
                                                      1. Each node connects to exactly two other nodes, forming a single pathway for signals through each node.
                                                      2. STAR
                                                        1. A central device which is used to connect multiple PCs in a local area network.
                                                        2. MESH
                                                          1. Each node relays data for the network.
                                                        3. Transmission Media
                                                          1. Radio
                                                            1. Coaxial Cable
                                                              1. Microwave
                                                                1. Twisted cable
                                                                  1. Satelite
                                                                    1. Optical Fiber
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