networks/topologies Flashcards
what are two examples of a network?
a mesh network
star network
ad hoc network
what is a network?
A network is connections between devices which enable resources and data to be shared.
networks make _______________ easier and ________
communication
faster
what can networks ensure?
the resources are used more efficiently
what is two security issues with free Wi-Fi?
free wifi does not uses end to end encryption.
open wifi sends all data from your device to the access point in plain text making it easier for data to be stolen.
what is a personal hotspot?
Personal hotspots allow you to connect devices to either a smartphone or small pocket device
how are personal hospots connections made?
Connections are made using either Wi-Fi or Bluetooth
what is connecting to a hotspot also classed as?
Connecting to a hotspot is
known as tethering
what is a issue with hotspots?
they have a range of a few meters
devices need to be paired for secuirty
what is a advantage of a mesh network
Fault tolerant
Can send messages if one node fails
More traffic can travel through network
what is a disadvantage of mesh networks?
much harder to set up with wired
what is a advantage of a star network?
East to set up
Easy to add computers
what is a disadvange of a star network
If switch breaks all network fails
A lot of traffic through switch
what is a ad hoc network
Temporary networks with two or more computing devices
what is two advanages of ad hock networsk
Do not require Wi-Fi access point/routers to work
Could between two laptops to two laptops together so they can share: files and internet access
Can access and share data with others
