Give one advantage and one disadvantage of a mesh topology.
From Paper 1: Principles of computer science
4(c)3 marks
Explain how TCP and IP work together to send a file across the internet.
From Paper 1: Principles of computer science
4(d)3 marks
A 40 MB file is downloaded over a connection of 8 megabits per second. Calculate the time taken in seconds. (Use 1 MB = 8 megabits.)
From Paper 1: Principles of computer science
4(e)4 marks
Describe two threats to a network and a method of protection for each.
Score 0 / 14 · 0 of 5 marked
This paper is written by Plasmo in the style of the Edexcel GCSE Computer Science exam. It is not a past paper and is not produced or endorsed by the exam board.