Protocols are a set of rules that govern how data is transmitted across networks.
Identify one network protocol that is used to perform each of the following tasks:
Retrieve email messages from a mail server while keeping the mailbox synchronized across multiple devices: ....................
Transfer files between a client and a server on a computer network: ....................
54 exam-style questions on OCR GCSE Computer Science Wired and wireless networks, protocols and layers. Each one has a worked solution and a mark scheme showing where the marks go.