A2.2 Network architectureA2.2.2

Function of servers

Describe the function of servers

HL only≈ 50 minCommand term: DescribePremium

In this lesson

  • What a server is and why organisations use dedicated servers
  • The function of DNS, DHCP, file, mail, proxy and web servers
  • How each type is made scalable, reliable and secure

This lesson is part of Premium

Every topic has one free lesson. Premium unlocks every interactive lesson, the exam-style questions at the end of each one, and the rest of Praxis IB.

What's inside

  1. LearnWhat a server is
  2. LearnServers that keep the network running
  3. LabFollow a DNS look-up
  4. LearnServers that provide services to users
  5. CheckWhich server?
  6. CheckOrder the steps
  7. CheckScalability, reliability or security?
  8. ExamWorked exam answer
  9. ReviewMistakes examiners see
  10. Exam practiceExam-style questions

Ends with 5 exam-style questions worth 15 marks, with a self-marking markscheme.