1
Q
What is the role of the application layer?
A
Providing networking services to applications. Able to turn data into website
2
Q
What is the role of the transport layer?
A
Setting up communications between two devices, splitting data into packets and checking packets are correctly sent and delivered
3
Q
What is the role of the internet layer?
A
Adding IP addresses to data packets, directing them between devices and handling traffic. Used by routers
4
Q
What is the role of the link layer?
A
Passing data over the physical network. Responsible for how data is sent as electrical signals over cables, wireless and other hardware
Computing p
flashcards
Decks in class (23)
# Cards
-
3.4c Secondary Storage - adv and dis22
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Programming Y10 Assessment20
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Databases2
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3.7 Databases real28
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Key ASCII codes8
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A fetch-decode-execute (basic) 5 marker5
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Paper 1 flashcards follow:0
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1. Fundamentals of algorithms58
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3.2 Programming147
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Aqa Pseudo-code syntax69
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Programming ‘theory’37
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Python syntax46
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Paper 2 cards follow:0
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3.4a Computer Systems64
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3.4b Memory - excluding cache and register - in 3.4a41
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3.4.2 Boolean Logic15
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3.4.4 Classification of programming languages and translators37
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3.3 Data Rep124
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3.5b MD Network Protocols11
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Layers4
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3.5 Networks - full107
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3.6 Cyber Security55
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3.8 Ethical, legal and environmental impacts of digital technology on wider society, including issues of privacy57
