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GCE JUN 2006 : ( A2 13) Networking and Communications

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Centre Number 71 Candidate Number ADVANCED General Certificate of Education 2006 Assessment Unit A2 13 A6J71 Applied Information and Communication Technology assessing Unit 13: Networking and Communications [A6J71] TUESDAY 6 JUNE, MORNING For Examiner s use only Question Marks Marks Available 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 twenty-one questions on the paper in the space provided. Quality of written communication will be assessed in all questions. INFORMATION FOR CANDIDATES 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. ADVICE TO CANDIDATES You are advised to take account of the marks for each part question in allocating the available examination time. A6J71S6 2497 2 4 4 4 4 4 6 4 4 6 4 6 6 6 4 6 6 6 4 4 6 Total TIME 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 100 Remark Examine the diagram and answer the questions that follow. A small company has a large number of computers connected together in a network and is linked to the Internet (Fig. 1). Workgroup with Ethernet Hub Workgroup with Ethernet Switch High Bandwidth Users Hub Server Proxy Server Ethernet Switch Router Ethernet Switch Frame Relay To ISP and Internet Fig. 1 A6J71S6 2497 2 [Turn over 1 Each of the computers shown in Fig. 1 must have a hardware network device installed that lets a computer communicate within the network. Name and briefly describe this device. Examiner Only Marks Remark Name of device: ______________________________________________ Description: __________________________________________________ ____________________________________________________________ ____________________________________________________________ __________________________________________________________ [2] 2 All of the hardware in the network at this time is connected by wire cabling. In the box below tick ( ) two characteristics of wire cabling which might be found in Fig. 1. RJ 11 Twisted wire pair Category 5 Parallel port Infra red Broadnet 3 [4] Software allowing the network to function is called a network operating system. Describe two properties of modern network operating systems. Property 1: ___________________________________________________ ____________________________________________________________ __________________________________________________________ [2] Property 2: ___________________________________________________ ____________________________________________________________ __________________________________________________________ [2] A6J71S6 2497 3 [Turn over 4 The company has considered it necessary to allocate different bandwidths to different users. Describe two problems which would have caused this course of action. Examiner Only Marks Remark Problem 1: ___________________________________________________ ____________________________________________________________ __________________________________________________________ [2] Problem 2: ___________________________________________________ ____________________________________________________________ __________________________________________________________ [2] 5 The company uses a hybrid topology of which one part is a star topology. In the box below tick ( ) two phrases which might be associated with a star topology. Holds IP addresses Can look up network card serial numbers Central hub Transmits to all stations Needs a USB port 6 [4] The company previously used a bus network topology. In the box below tick ( ) two phrases which might be associated with a bus topology. Switch Passes a token Coaxial cabling OSI model Baseband signalling If one machine fails then all machines fail A6J71S6 2497 [4] 4 [Turn over 7 Describe three main features of an Ethernet system which uses co-axial cable. Examiner Only Marks Remark Feature 1: ____________________________________________________ __________________________________________________________ [2] Feature 2: ____________________________________________________ __________________________________________________________ [2] Feature 3: ____________________________________________________ __________________________________________________________ [2] 8 Explain two benefits to the company of allocating employees into workgroups on a network file server. Benefit 1: ____________________________________________________ ____________________________________________________________ __________________________________________________________ [2] Benefit 2: ____________________________________________________ ____________________________________________________________ __________________________________________________________ [2] 9 Outline two actions the company must perform to introduce two laser printers into the current set-up that allows adequate access for all users. Action 1: ____________________________________________________ ____________________________________________________________ __________________________________________________________ [2] Action 2: ____________________________________________________ ____________________________________________________________ __________________________________________________________ [2] A6J71S6 2497 5 [Turn over 10 (a) What is meant by the term high bandwidth user ? Examiner Only Marks Remark _________________________________________________________ _______________________________________________________ [2] (b) Give two reasons why the high bandwidth users are connected directly to the switch. 1. _______________________________________________________ _______________________________________________________ [2] 2. _______________________________________________________ _______________________________________________________ [2] 11 The company has a router installed. In the box below tick ( ) two characteristics which might normally be associated with a router. Allows users to log onto the network Allocates IP addresses to computers in the companies network Controls the proxy server Checks users passwords when they log on Can divide a single network into two logical separate networks [4] 12 An Internet Service Provider (ISP) is used to provide a connection to the Internet. Describe three benefits of using an ISP. Benefit 1: ____________________________________________________ ____________________________________________________________ __________________________________________________________ [2] Benefit 2: ____________________________________________________ ____________________________________________________________ __________________________________________________________ [2] Benefit 3: ____________________________________________________ ____________________________________________________________ __________________________________________________________ [2] A6J71S6 2497 6 [Turn over 13 Describe two controls the company can introduce to deal with security issues relating to the Internet connection. Examiner Only Marks Remark Control 1: ___________________________________________________ ____________________________________________________________ __________________________________________________________ [3] Control 2: ____________________________________________________ ____________________________________________________________ __________________________________________________________ [3] 14 (a) Explain what is meant by the terms static and supplied IP addressing. Static addressing: __________________________________________ _________________________________________________________ _________________________________________________________ Supplied addressing: ________________________________________ _________________________________________________________ _______________________________________________________ [4] (b) Give one advantage of having supplied addressing rather than static addressing. _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] A6J71S6 2497 7 [Turn over 15 The company uses a client server model within its network installation. Examiner Only Marks Remark Explain what is meant by: A client _____________________________________________________ ____________________________________________________________ ____________________________________________________________ __________________________________________________________ [2] A server _____________________________________________________ ____________________________________________________________ ____________________________________________________________ __________________________________________________________ [2] 16 Each employee within the company may use any computer on the network by entering their access code and password. The employee will be able to use a roaming profile at any of these machines. (a) What is meant by the term roaming profile ? _________________________________________________________ _________________________________________________________ _______________________________________________________ [4] (b) Explain why it would be useful for a company employee to have a roaming profile. _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] A6J71S6 2497 8 [Turn over 17 The company has made use of a LAN and wants to explore the main features of WAN technology. Describe two main features of a WAN and one difficulty the WAN can help the company overcome. Examiner Only Marks Remark Feature 1: ___________________________________________________ ____________________________________________________________ __________________________________________________________ [2] Feature 2: ___________________________________________________ ____________________________________________________________ __________________________________________________________ [2] Difficulty ____________________________________________________ __________________________________________________________ [2] The company employs clerks, secretaries, accountants and graphic designers. Each network user when using the network is given certain access rights and permissions. 18 (a) What is meant by an access right? List two access rights that a user might be given. An access right is ________________________________________ [1] Access Right 1: ___________________________________________ _________________________________________________________ _______________________________________________________ [1] Access Right 2: ___________________________________________ _________________________________________________________ _______________________________________________________ [1] A6J71S6 A6J71S6 2497 9 [Turn over (b) What is meant by a permission? List two permissions that a user might be given. Examiner Only Examiner Only Marks Remark A permission is __________________________________________ [1] Permission 1: _____________________________________________ _________________________________________________________ _______________________________________________________ [1] Permission 2: _____________________________________________ _________________________________________________________ _______________________________________________________ [1] 19 The employees in the company use e-mail to send files to one another. Describe two features of e-mail that the employees might use. Feature 1: ___________________________________________________ ____________________________________________________________ __________________________________________________________ [2] Feature 2: ___________________________________________________ ____________________________________________________________ __________________________________________________________ [2] 20 One of the servers used in the company s network is known as a proxy server. Describe two main features of a proxy server. Feature 1: ___________________________________________________ ____________________________________________________________ __________________________________________________________ [2] Feature 2: ___________________________________________________ ____________________________________________________________ __________________________________________________________ [2] A6J71S6 2497 10 [Turn over 21 The company is expanding and is investigating adding to its network using wireless technology. Describe two benefits of having a wireless connection and one disadvantage of adding a wireless connection to a network. Benefit 1: ____________________________________________________ ____________________________________________________________ ____________________________________________________________ __________________________________________________________ [2] Benefit 2: ____________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ __________________________________________________________ [2] Disadvantage: ________________________________________________ ____________________________________________________________ ____________________________________________________________ __________________________________________________________ [2] THIS IS THE END OF THE QUESTION PAPER A6J71S6 2497 11 Examiner Only Marks Remark A 5/06 500 302507(207) [Turn over

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Additional Info : Gce Applied ICT June 2006 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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