Computer Networking

Computer Networking free pdf ebook was written by HSDU on September 02, 1998 consist of 65 page(s). The pdf file is provided by www.ltscotland.org.uk and available on pdfpedia since May 02, 2011.

this unit is designed to develop knowledge and understanding of computer networks, with stage 3 use the facilities provided…...

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Computer Networking pdf




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: May 02, 2011
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Computer Networking - page 1
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Autumn 1998 HIGHER STILL &RPSXWHU1HWZRUNLQJ +LJKHU &RPSXWLQJ 6XSSRUW0DWHULDOV *+,-./
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TEACHING AND LEARNING PACK CONTENTS Section 1: Section 2: Section 3: Section 4: Section 5: Teacher/Lecturer Notes Students’ Notes Study Materials Case Studies Appendices Computing Support Materials: Computer Networking (H) 1
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Section 1 Teacher/Lecturer Notes Computing Support Materials: Computer Networking (H) 3
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Computing Support Materials: Computer Networking (H) 4
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TEACHER/LECTURER NOTES Aim This unit is designed to develop knowledge and understanding of computer networks, with particular reference to internetworks, and to provide an opportunity to apply this knowledge through the use of contemporary network systems. Status of this teaching and learning These materials are for guidance only and are not mandatory. The mandatory content of the unit is detailed in the national unit specification Internetworking (H) pages 1 to 4. Target audience While entry is at the discretion of the centre, students would normally be expected to have attained one of the following (or possess equivalent experience): Computer Systems (H) unit, Computing course at Intermediate 2, grade1 or 2 at Standard Grade in Computing Studies. Pre-knowledge and skills The student should have the skills required to use a GUI environment to launch applications, load/save files, and perform general housekeeping tasks on the computer. Progression Within Computing, the unit provides the knowledge and skills required to tackle the Advanced Higher unit Data Communications. Resources Centres offering this unit must have a computer network. The network should allow student access using a user ID and password. To achieve the full benefit of this unit it is highly recommended that the student also has access to - the Internet, an intranet, WWW browser, e-mail, FTP. Learning and teaching approaches As networking is a relatively young subject, some initial definitions of terms is essential. These fundamental definitions which are used throughout this teaching and learning pack can be found in Appendix A. Although at various stages throughout the unit the student may access the Internet, this is NOT a unit on learning to ‘use the Internet’ - rather it is a study of the technology (hardware, software and protocols) which enable such uses of computer networks. The level of study must be appropriate to a student following a Higher course and the student is expected to develop a significant knowledge and understanding of the underlying theoretical concepts of networking. This pack concentrates on what the student should know and understand. It is designed to indicate the level of treatment of the topics and should be used by centres as a basis for direct teaching, demonstration and exemplification. This pack is not a collection of information sheets and worksheets, although some are provided. Practical activities will be indicated at the appropriate points in the unit. Centres are expected to tailor these activities, taking into account the level and type of resource available. Most modern Computing Support Materials: Computer Networking (H) 5
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software packages have built-in help facilities and the tutor/student should make good use of these. Appendix B contains a list of additional resources. Pathway through the unit The pathway through the unit recommended in this pack does not follow the numerical order of the outcomes in the unit arrangements. It works through the unit outcomes as follows: Stage 1 Stage 2 Stage 3 Stage 4 Describe the characteristics of computer networks and internetworks (outcome 2) Describe the applications and benefits of computer networks (outcome 1) Use the facilities provided by a computer network (outcome 3) Investigate an aspect of internetworking (outcome 4). This pack adopts a case study approach to fulfil some of the performance criteria in outcomes 1 and 2. The same case studies are used to illustrate in outcome 1 "the characteristics" and in outcome 2 "the applications and benefits" of the computer networks. During the exploration of the case studies, the tutor should emphasise the difference between the characteristics and the application/benefit of the network. Four sample case studies are included in this pack. If it is decided not to use this approach, the four examples used for outcomes 1 and 2 should conform to the ‘note on the range of the outcomes’ and ‘evidence requirements’ ie two specific applications of local area network (including intranets); two applications of wide area network (including the Internet) Timing Stage 1 8 hours Stage 2 8 hours Stage 3 14 hours Stage 4 10 hours Total 40 hours Note that the time allocated to Stage 3 (outcome 3) is not simply for a series of practical exercises using a computer network. Some of the 14 hours should be used to consolidate the knowledge acquired in Stages 1 and 2. This ensures that performance criteria a and b of outcome 3 are approached with the appropriate depth of knowledge. Computing Support Materials: Computer Networking (H) 6
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Approaches to teaching and learning The teacher/lecturer will require to supplement the student information sheets by - direct teaching, discussion, use of OHPs, additional handouts, reference to the existing Higher Computing Studies notes, appropriate URLs on the Internet, resources on an intranet and reference to textbooks/periodicals/videos where appropriate. Not all the terminology used in the student information sheets will be fully explained. The teacher/lecturer will be expected to explain the terminology during classroom activities. These materials concentrate on the new content of Higher Computing (Internetworking). They cover concepts which were either not present or not studied in detail in the old Higher Computing Studies - Communications and Networks optional topic. Structure of detailed content A hierarchical structure has been adopted in presenting the detailed content of this unit. The structure is indicated by the depth of indentation. It follows the form: Section number and title Introduction to section Term stated in range Suggested areas of study to cover mandatory range - suggested depth in ( ) Computing Support Materials: Computer Networking (H) 7
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