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:
Send email messages from a client application to a mail server, or between mail servers.
Retrieve and transmit web pages securely over the internet by encrypting the session.
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.