Protocols are standard sets 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 an outgoing email message from a local client to a mail server: ....................
Securely transfer hypertext web pages and resources between a web server and a client browser, ensuring the data is encrypted during transit: ....................
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.