Networks 3
Presentation
•
Computers
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7th Grade
•
Practice Problem
•
Easy
Roy Duguid
Used 8+ times
FREE Resource
14 Slides • 11 Questions
1
1. Log in
Go to class notebook
Complete Do Now - Networks 3
2
Advantages of a computer network:
We can share software, files and data.
We can share hardware.
3. We can communicate over long distances.
Disadvantages of a computer network:
1.If the network breaks, it makes tasks more difficult.
2. We expose ourselves to hackers and viruses.
We expose ourselves to cyber bullies.
3
What are different Network types?
How are they connected?
Key words:
LAN, WAN, wireless, network, topology, nodes
4
top-ol-ogy
The arrangement and interlinking of computers in a computer network
"the topology of a computer network"
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6
A LAN (local area network) is a network of computers within the same building, such as a school, home or business. A LAN is not necessarily connected to the internet
7
Wide Area Network
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A WAN (wide area network) is created when LANs are connected. This requires media such as broadband cables, and can connect up organisations based in different geographical places. The internet is a WAN.
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Complete Activity 1
10
How would you connect all these computers into a network? Think about how many cables you will need to use.
11
Draw
How would you connect all these computers into a network?
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13
Live demo - Ring Network
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15
Multiple Choice
What does LAN stand for?
Logical Analogue Network
Laser Assisted Network
Local Area Network
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Multiple Choice
What does WAN stand for ?
Weak Access Node
Working Area Network
Wide Area Network
World Access Net
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Multiple Choice
Which of these statements is TRUE about a LAN?
A LAN connects computers in a small area such as an office
A modem is needed to connect a computer to a LAN
A LAN consists of only one computer
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Multiple Choice
Which of the following networks is LEAST likely to be a WAN?
The Internet
A school network
A network of bank cash dispensers
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Multiple Choice
Which type of network needs a 'hub' or 'switch'?
Star
Ring
Bus
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Multiple Choice
What is a data collision?
When two devices on a network transmit data at the same time
When one device on a network transmits data
When two devices on a network transmit at separate times
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Multiple Choice
In a star network...
Each device is connected to a switch or hub
Each device connects to each other
Each device is connected in a line
Each device is connected to a terminal
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Draw
Connect these nodes into a STAR topology
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Draw
Connect these nodes into a RING topology
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Draw
Connect these nodes into a BUS topology
25
Complete Activity 2
1. Log in
Go to class notebook
Complete Do Now - Networks 3
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