Mind map

Networks

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Map content

Networks

Interconnection devices
- Router
  - AIM: different networks (to connect the devices to another networks)
- Hub
  - AIM: connect the computers on the same network
    - Switch
  - A hub sends data packets to all devices on the network. A switch sends the packets to only the intended recipients.
Aims
- To share
  - Data
  - Physical resources
Components
- Software
  - tcp protocolo
    - Ip, mask, etc
- Hardware
  - Nik
    - They enable computers to connect to a network, they are small circuit boards.
  - Transmission ways
    - Twisted pair electric sinals
      - Fibre optic cable is more expensive but has a higher data transfer rate than copper cable.
    - Optical fibre
      - It is more expensive than the copper cable but it is faster.
    - wifi
      - transimited by:waves
Types
- Depending on the size
  - WAN
    - When multiple LAN networks are connected with each other
  - LAN
    - A network within the same building, it can be connected to the internet or nA LAN (local area network) is a connection of computers and peripheral devices located on a single site. A single site could have many buildings, eg your school my have more than one building, but it is still classed as one site.
- Others
  - VLAN
  - INRANET
Commands
- ping
  - Ping is used to verify whether or not a network data packet is capable of being distributed to an address without errors. The ping is commonly used to check for network errors.
- tracert
- ipconfig