Name and describe two protocols used by the Application Layer of the TCP/IP protocol suite. Protocol 1 Description Protocol 2 Description

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2024). The mark or mark type is shown in brackets.

1. [4] One mark for each correct name (Max 2)
2. [4] One mark for each correct corresponding expansion (Max 2)
3. [4] MP1 HTTP/HTTPS
4. [4] MP2 For sending and receiving / transferring web pages / hypertext
5. [4] MP3 FTP
6. [4] MP4 For sending and receiving files over a network / between devices
7. [4] MP5 POP3
8. [4] MP6 Pull protocol / for receiving / downloading emails
9. [4] MP7 IMAP
10. [4] MP8 Pull protocol / for receiving / downloading emails
11. [4] MP9 SMTP
12. [4] MP10 Push protocol / for sending / uploading emails
13. [4] MP11 BitTorrent
14. [4] MP12 Peer-to-peer file sharing over a network
15. [3] One mark per mark point (Max 3)
16. [3] MP1 The application layer provides access to all the programs that exchange data // Interacts directly with user.
17. [3] MP2 ... used by, for example, web browsers, server software.
18. [3] MP3 Communicates/enables data transfer to/from Transport layer // It allows applications to access the services used in other TCP/IP layers.
19. [3] MP4 It defines the protocols that any application uses to allow the exchange of data.