PEARSON (PEARSON) • Computer Science

OCR A Level Computer Science H446/01 Computer Systems Question paper June 2026

OCR AS Level Computer Science H046/02 Algorithms and problem solving Question paper June 2026

OCR AS Level Computer Science H046/01 Computing principles Question paper June 2026

A LEVEL COMPUTER SCIENCE (COMPUTER SYSTEMS) MARK SCHEME 2025 H446/01

P1 describe network technologies

P2 outline the purpose of networking tools

P4 explain the functions of network management M2 explain the goals of fault management D1 justify the inclusion of routine performance management activities within a network manager’s role

P3 identify emerging network technologies M1 describe the potential impact of emerging network technologies

M2 suggest how users can be authenticated to gain access to a networked system

M3 report on the similarities and differences between securing wireless and wired networked systems.

P1 describe how networks can be attacked P2 describe how networked systems can be protected M1 explain the operation of different intruder detection systems

D2 compare the security benefits of different cryptography techniques.

P4 plan procedures to secure a network P5 configure a networked device or specialist software to improve the security of a network.

P3 explain what an organisation can do to minimise security breaches in networked systems

D1 discuss recent network threats

P1 outline the principles of systems analysis P2 illustrate the stages of a development lifecycle M1 discuss the most appropriate uses of different development lifecycle models P3 explain the benefits of structured analysis