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Pearson Edexcel International GCSE (9–1)
Thursday 23 May 2025
Afternoon (Time: 2 hours) Paper
reference 4CP0/01
Computer Science
PAPER 1:Principles of Computer Science
You must have: Total Marks
Pseudocode command set (enclosed)
Instructions
Advice
•••• Read each question carefully before you start to answer it.Try to answer
every question.Check your answers if you have time at the end.Marks will not be awarded
for using product or trade names in answers without further explanation.
Turn over
P75736A ©2024 Pearson Education Ltd. *P75736A0128*
F:1/1/1/e2
, Answer ALL questions. Write your answers in the space provided.
Some questions must be answered with a cross in .aIfbox
you change your mind about an
DO NOT WRITE IN THIS AREA
answer, put a line through the box
and then mark your new answer with a cross
.
1 There are different ways to connect computers in a network.
(a) Givetwodifferences between a WAN and a LAN.
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(b) Giveone security risk of connecting computers in a network.
(1)
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, *P75736A0228*
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Turn over
, (c) Figure 1shows a network topology.
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Figure 1
(i) State the name of this network topology.
(1)
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(ii) Stateonedrawback of using this network topology.
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(iii) A fault tolerant network delivers a reliable service.
Explainonereason why this topology is fault tolerant.
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