Protocols & Standards

Lesson Instructions

Watch and follow the YouTube video, the lesson contains three parts:

  1. Key Information and content - all you need to do here is watch and listen. We recommend you take some notes for this one!

  2. Learning activity - You are to complete the matching activity.

  3. Consolidation - these are past exam question and are for deliberate practice to check your understanding.

Task - Matching Activity

Protocols Activity

Task - Exam Questions - Deliberate Practice

Exam Questions Web

Mark Scheme

Question 1

(a)

  • An agreement / set of rules / standard

  • ... for how computers should communicate // how data is sent/received/transmitted on a network

  • Example of what could be agreed in the protocol (e.g. speed / error checking / etc.)

(b) (i)

  • FTP / file transfer protocol

  • Uses a client-server model // sends from client to server // sends from server to client

(b) (ii)

  • HTTPS / hyper text transfer protocol secure

  • Encrypts the connection/data // Uses SSL/secure socket layer

(c)

  • 1 Mark for IMAP, 1 mark for SMTP

  • IMAP

    • Retrieves/accesses/downloads an email

    • Allows synchronization/management of account

  • SMTP

    • Sends/forwards/transmits an email