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GCE JUN 2010 : ( A2 13) Networking and Communications

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Centre Number 71 Candidate Number ADVANCED General Certificate of Education 2010 Applied Information and Communication Technology A6J71 Assessment Unit A2 13 assessing Unit 13: Networking and Communications [A6J71] MONDAY 14 JUNE, AFTERNOON TIME 1 hour 30 minutes. INSTRUCTIONS TO CANDIDATES Write your Centre Number and Candidate Number in the spaces provided at the top of this page. Answer all twelve questions on the paper in the spaces provided. For Examiner s use only Marks Question available The total mark for this paper is 100. Figures in brackets printed down the right-hand side of pages indicate the marks awarded to each question or part question. Quality of written communication will be assessed in questions 5, 8 and 11. ADVICE TO CANDIDATES You are advised to take account of the marks for each part question in allocating the available examination time. 5840 8 6 4 6 12 6 14 10 10 4 12 8 Total INFORMATION FOR CANDIDATES 1 2 3 4 5 6 7 8 9 10 11 12 100 Marks Remark 1 Using a suitable labelled diagram, explain what is meant by the term bus network topology. Examiner Only Marks Remark BUS NETWORK TOPOLOGY DIAGRAM ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ __________________________________________________________ [8] 5840 2 [Turn over 2 Synchronous and asynchronous data transmissions differ in a number of ways. Discuss these differences in terms of: Examiner Only Marks Remark (a) Timing _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ (b) Framing _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ (c) Arrival at destination _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [6] 5840 3 [Turn over 3 List and describe two disadvantages of having computers networked together. Examiner Only Marks Remark Disadvantage 1 ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ Disadvantage 2 ____________________________________________________________ ____________________________________________________________ __________________________________________________________ [4] 4 Every computer connected to a network must have a network card inserted. List and describe three features of a network card. Feature 1 ____________________________________________________________ ____________________________________________________________ Feature 2 ____________________________________________________________ ____________________________________________________________ Feature 3 ____________________________________________________________ __________________________________________________________ [6] 5840 4 [Turn over 5 Discuss the main issues that need to be addressed when a number of computers are set up as a wireless network in a small business. Examiner Only Marks Remark ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ _________________________________________________________ [12] 5840 5 [Turn over 6 List and describe three properties of a network device known as a router. Examiner Only Marks Remark Property 1 ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ Property 2 ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ Property 3 ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ __________________________________________________________ [6] 5840 6 [Turn over BLANK PAGE (Questions continue overleaf) 5840 7 [Turn over 7 Consider Fig. 1 shown below and answer the questions that follow. Examiner Only Marks Remark Fig. 1 (a) Describe the main features of a server. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [4] 5840 8 [Turn over (b) Describe the type of cable you would normally expect to find connecting the switches to the computers. Examiner Only Marks Remark _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] (c) Give two reasons why this company has decided to split its network into two workgroups. Reason 1 _________________________________________________________ _________________________________________________________ _________________________________________________________ Reason 2 _________________________________________________________ _________________________________________________________ _______________________________________________________ [4] 5840 9 [Turn over (d) List and describe two advantages to the company in allowing their employees to use e-mail. Examiner Only Marks Remark Advantage 1 _________________________________________________________ _________________________________________________________ _________________________________________________________ Advantage 2 _________________________________________________________ _________________________________________________________ _______________________________________________________ [4] 5840 10 [Turn over 8 The design of a successful computer network depends on it being functional, scaleable, adaptable, manageable and available. Examiner Only Marks Remark Discuss this statement in relation to the design of a successful computer network. ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ _________________________________________________________ [10] 5840 11 [Turn over 9 Each of the following statements about networks is either TRUE or FALSE. Place the word TRUE or FALSE correctly into the space opposite each statement. Examiner Only Marks Remark An RJ-45 connector can be found in star based Ethernet technologies. A token ring network passes a data frame called a baton between each machine which is connected to the network. In order for a network to function properly, it must use software called a network operating system. Repeaters in a network are used to extend the cable run of a network. Networks which break down data into packets are a fairer way of sharing the medium on which the data will travel. Bridges in networks are useful for containing collisions. Hubs are used in networks to check a user s log on details such as passwords. Star topologies are used extensively in wide area networks. A network interface card is given a unique code by the manufacturer. Terminators are found in bus based networks. [10] 5840 12 [Turn over 10 Describe one advantage and one disadvantage of using video conferencing. Examiner Only Marks Remark Advantage ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ Disadvantage ____________________________________________________________ ____________________________________________________________ __________________________________________________________ [4] 5840 13 [Turn over 11 Computer networks which communicate through the Internet are subject to attacks by external agents. Discuss the main types of attacks that may occur and what network managers must do to prevent such attacks. Examiner Only Marks Remark ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ _________________________________________________________ [12] 5840 14 [Turn over 12 Explain each of the following in relation to the successful passage of an Internet webpage from one location to another. Examiner Only Marks Remark (a) Domain name resolution _________________________________________________________ _________________________________________________________ _________________________________________________________ (b) IP addressing _________________________________________________________ _________________________________________________________ _________________________________________________________ (c) MAC addressing _________________________________________________________ _________________________________________________________ _________________________________________________________ (d) Firewall _________________________________________________________ _________________________________________________________ _______________________________________________________ [8] THIS IS THE END OF THE QUESTION PAPER 5840 15 [Turn over 5840 5840 16 [Turn over

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Additional Info : Gce Applied ICT June 2010 Assessment Unit A2 13 - Networking and Communications
Tags : General Certificate of Education, A Level and AS Level, uk, council for the curriculum examinations and assessment, gce exam papers, gce a level and as level exam papers , gce past questions and answer, gce past question papers, ccea gce past papers, gce ccea past papers

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