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Craig 'n' Dave · Edexcel 1CP2Network Protocols
Key facts
Common protocols — must know all — fill in the table
| Protocol | Function |
|---|
| HTTP | |
| HTTPS | |
| FTP | |
| SMTP | |
| POP3 | |
| IMAP | |
TCP/IP model — 4 layers — fill in the table
| Layer | Role |
|---|
| Application layer | |
| Transport layer | |
| Internet/Network layer | |
| Link/Data link layer | |
Data travels DOWN the layers at the sender, UP the layers at the receiver.
DNS and IP addressing — fill in the table
| Term | Definition |
|---|
| DNS | |
| IP address | |
| Packets | |
| Router | |
Exam questions — 4 questions · 11 marks · from real 1CP2 past papers
1 markIMAP vs POP31CP2 Jun 2023 Q2(e) style
A student wants to access their emails from both a laptop and a smartphone. Which protocol is most suitable and why?
A SMTP — because it sends email between servers
B POP3 — because it downloads emails to the device
C IMAP — because emails stay on the server and can be accessed from multiple devices
D FTP — because it transfers files efficiently
1 markProtocol identification1CP2 Jun 2024 Q3(c)(ii)
A developer wants to allow users to upload files to a remote server. Which protocol should they use?
A HTTP
B SMTP
C FTP
D IMAP
2 marksRouter function1CP2 Jun 2023 Q2(h) style
Describe how a router directs data packets across a network to their destination. (2 marks)
Hint: Cover: what the router reads (destination IP) AND what it does with that information (routing table, next hop).
+20 XP
4 marksTCP/IP layers1CP2 Jun 2023 Q2(a) style
The TCP/IP model has four layers. Name the Transport layer and the Link layer, and describe the role of each. (4 marks)
Hint: Name the layer AND describe its role. Two layers × two marks each.
+40 XP
Quick recall flashcards
Module complete! 🎉
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