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WorksheetsCommunication Technology
Total questions: 22
Worksheet time: 12mins
Which two of the following are benefits of ad-hoc networks?
Which two of the following are benefits of ad-hoc networks?
Faster as ad-hoc networks support greater data transfer speeds.
Greater security as it is harder for malicious users to connect to the network.
Less expensive due to not requiring a central access point.
Ad-hoc networks are commonly used in large organisation LANs
True
False
What is tethering?
Where a connection between a device and a central access point, such as a router, is made in order to access the internet.
Where a smartphone is connected to by another device in order to make use of its mobile broadband connection.
A public wi-fi hotspot that can be found in many places like restaurants, cafés and hotels, typically not requiring a password to access.
A network of multiple devices within the personal area of an individual used to share files between devices.
What type of encryption is used on open networks?
WEP
WPA
WPA2
They don't use encryption.
Which three of the following are issues that affect ad-hoc network performance?
Reduced security due to lack of encryption.
Slower speeds due to smaller max transfer speed.
Harder setup due to difficult connection process.
Reduced range due to weaker antennas.
Greater interference due to crossed connections.
Rural areas and developing countries often lack the required infrastructure to provide broadband internet connections.
Location of the network
Mobile network coverage
Blackspots
Rural areas and developing countries often lack the required infrastructure to provide broadband internet connections.
Location of the network
Mobile network coverage
Blackspots
Cell phone towers may be far away and so signals may not be available to provide network access.
Mobile Network Coverage
Location of the Network
Blackspots
Geographical features, such as mountains and hills can block signals preventing network access.
Location of the Network
Mobile Network
Blackspot
What is a blackspot?
A place where the signal is around an average level.
A place where your signal is extremely strong.
A place where there's no signal.
Cities where there's lots of Wi-Fi available.
What is an Ad-hoc network?
An ad-hoc network is where two devices can directly communicate with each other through a router or other medium
An ad-hoc network is a stand alone device that uses a router to help communicate with the internet
An ad-hoc network is where two devices can directly communicate with each other, instead of through a medium like a router or wireless access point
An ad-hoc network is a network where the wires have been made custom for the user and will allow a specialist network to be made
Which of these may affect a network's availability? (choose three)
Being in a rural locations
Being in a developing country
Having an expert user
Using too many applications
Mobile network coverage
An advantage of a ad hoc network is
Its easy to set up
Its secure
specialist hardware is required
Open Wi-Fi is often
Expensive
Free
Secure
A blackspot is more likely in
A city location
A rural area
Using a smartphone as an access point to allow another device access to the internet is called...
Streaming
Synchronising
Uploading
Tethering
True or False: An Ad Hoc Network needs fixed hardware like a router to work.
True
False
How can you make your Wi-Fi secure
Use a VPN
Use your hot-spot
Don't tell anyone the password
Add a strong password
Which of these are a type of Ad-hoc network? (click three)
Personal Area Network (PAN)
Open Wi-Fi
Closed Wi-Fi
Tethering or Personal Hotspots
Closed wired network
Sending data to your device in a continuios flow whilst you are connected to the internet, without saving it to the device is known as what?
Streaming
Downloading
Saving
Opening
