A financial company transmits transaction details securely between branches. To ensure privacy, the data is encrypted.
Identify one encryption method or concept.
Symmetric key
Packet switching
Validation
Defragmentation
Practise Edexcel GCSE Computer Science Network security with exam-style questions for GCSE Computer Science. 27 questions covering Network vulnerabilities and protection methods, matched to the Edexcel GCSE Computer Science (1CP2) specification and written in Paper 1 and Paper 2 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.