Ad hoc networks Flashcards
What is an ad hoc network?
Unlike traditional networks, it does not depend on cables to connect to routers and other devices or any central device to organise the network.
What is a network key?
A code provided only to authorise network users to allow them to access the network.
What is tethering?
Enables a device with an Internet connection, such as a smart phone to share its Internet connectivity with a device that does not have Internet access, such as a laptop.
What is a personal hotspot?
several devices can be tethered to a personal hotspot either wirelessly using Wi- Fi or Bluetooth or by using a USB cable.
What are three benefits of ad hoc networks?
They allow users to work in places other than their workplace.
It is simple to set up a connection to the internet.
They provide access to the internet at all times in most locations.
What are the security issues with ad hoc networks?
Open Wi-Fi is not secure as it can be easily intercepted and read by others.
Although websites are usually secure if they use https.
What are performance issues with ad hoc networks?
Public Wi-Fi hotspots may be slow if a lot of people are using them at the same time.
They have a limited range.
How are blackspots a network availability issue with ad hoc networks?
Tall buildings, tunnels and geographic features can cause areas where mobile network connection is poor or non-existent.
How is mobile network coverage a network availability issue with ad hoc networks?
There are differences between mobile service providers, with some having better network coverage in some locations than others.
How is available infrastructure a network availability issue with ad hoc networks?
More and more people are using the Internet for activities which require large amounts of data to be sent continuously over the network. This places a strain on the network infrastructure.
How is networks in cities versus rule locations a network availability issue with ad hoc networks?
Because of the high cost of installing equipment in rural areas, there may be poor mobile network coverage, with high-speed connections more available in cities.
How is developed versus developing countries a network availability issues with ad hoc networks?
Developing countries often lack money to invest in mobile phone networks and may have difficulty managing the country’s resources to set up an advanced network.
