12180745
Beschreibung
Mindmap von Niamh Wyatt, aktualisiert more than 1 year ago
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Erstellt von Niamh Wyatt
vor mehr als 6 Jahre
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1.5 Network Topologies,
Protocols and Layers.
- What is a mesh network?
- some or all of the workstations/devices
are connected directly with each other.
- usually connected to the node they
exchange the most data with.
- usually connected to the node they
exchange the most data with.
- some or all of the workstations/devices
are connected directly with each other.
- What is a star network?
- each device is
connected to an
individual cable
directly to the server.
- usually the layout of choice in schools/offices
because they tend to be most reliable.
- usually the layout of choice in schools/offices
because they tend to be most reliable.
- each device is
connected to an
individual cable
directly to the server.
- Benefits of Ethernet cables.
- stable connection.
- reduced possibility to hacking.
- more secure.
- faster traffic speed.
- good quality signal.
- stable connection.
- Benefits of wifi.
- cheap to set up.
- more vulnerable to hacking.
- signal quality will reduce through walls.
- signal quality will reduce through walls.
- more vulnerable to hacking.
- user not tied down to specific
location.
- tends to have slow transfer speeds.
- tends to have slow transfer speeds.
- cheap to set up.
- encryption.
- method of scrambling data with
a key code which makes no
sense.
- public wifi or an open resource can be encrypted.
- public wifi or an open resource can be encrypted.
- method of scrambling data with
a key code which makes no
sense.
- What is a network?
- is a number of computers linked together to
allow them to share resources.
- is a number of computers linked together to
allow them to share resources.
- Toplogies
- arrangement of various elements of a network.
- Devices connect
together.
- Devices connect
together.
- arrangement of various elements of a network.
- Protocols.
- a specific set of communication rules.
- a specific set of communication rules.
- Layers.
- the organization of
programming into separate
functional components that
interact.
- If one layer fails, the others can be taken out without being affected.
- Trouble shooting made easier, should an error occur.
- Network communication is standardized.
- Network communication is standardized.
- If one layer fails, the others can be taken out without being affected.
- the organization of
programming into separate
functional components that
interact.
- POP
- Post Office Protocol.
- Post Office Protocol.
- HTTP and HTTPS
- HTTP - hypertext transfer protocol.
- HTTPS - hypertext transfer protocol secure.
- HTTPS - hypertext transfer protocol secure.
- HTTP - hypertext transfer protocol.
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