JYSS 2018 P1

JUNYUAN SECONDARY SCHOOL PRELIMINARY EXAMINATION 2018 SECONDARY FOUR EXPRESS CANDIDATE NAME CLASS INDEX NUMBER COMPUTING 7155/01 Paper 1 16 Aug 2018 Candidates answer on the Question Paper. 2 hours No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your name, class and index number in the spaces at the top of this page. Write in dark blue or black pen. You may use an HB pencil for any diagrams or graphs. Do not use staples, paper clips, glue or correction fluid. Approved calculators are allowed. Answer all questions. The number of marks is given in brackets [ ] at the end of each question or part question. You should show all your working. The total number of marks for this paper is 80. This document consists of 15 printed pages and 1 blank page. [Turn over For Examiner’s use

2 1 Many computer networks use the RING and STAR configurations. Compare the advantages and disadvantages of both types of networks. (a) RING Network Advantage.……….....…………................................................................................................ …............................................................................................................................................. …............................................................................................................................................. Disadvantage.……....…………................................................................................................ …............................................................................................................................................. …...................................................................................................................................... [2] (b) STAR Network Advantage.……….....…………................................................................................................ …............................................................................................................................................. …............................................................................................................................................. Disadvantage.……....…………................................................................................................ …............................................................................................................................................. …...................................................................................................................................... [2] 2 Five statements about firewalls are shown. Tick (ü) to show whether each statement is true or false. [5] Statement True (ü) False (ü) Firewalls can monitor incoming and