Complete the table by identifying the most appropriate application layer protocol for each of the network tasks described.
| Network Task | Protocol |
|---|---|
| Securely transmitting login credentials and billing details between a customer's web browser and an e-commerce checkout server | |
| An automated server script forwarding a system alert email to an outgoing corporate mail relay | |
| A network administrator transferring a directory of device configuration backup files from a local workstation to a central storage server | |
| An email client downloading new messages from a server to a local device and immediately deleting them from the server to free up space |
Practise OCR GCSE Computer Science Wired and wireless networks, protocols and layers with exam-style questions for GCSE Computer Science. 55 questions, matched to the OCR GCSE Computer Science (J277) specification and written in Component 01 and Component 02 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.