1. Module CT1040N: Networking Basics Lecture Week 1

2. Agenda Module Introduction  Your Module Leader  Your Lecturer and tutors  Module Aims/Objectives  Module outcomes after successful completion  Module Assessments and Syllabus Summary  Recommended booklist Week 1 Lecture Coverage  Networking Fundamentals

3. Your Module Leaders Are… (Islington College Lecturer) Mr. Harry Benetatos (London Metropolitan University) Mr. Ravi Chandra Gurung

4. Module Leaders’ Roles Every module has two module leaders: Creates the main lecture/tutorial notes Writes coursework and examinations Moderates the coursework and examinations results Serves as a lecturer for that module (usually in London) Writes localised lecture/tutorial notes Marks the coursework and examinations (lecturers/tutors might also be involved in marking) Serves as a lecturer for that module

5. Your Lecturer Is Academic  First Class Honors, BSc. (Hons.) Computer Networking and IT Security  MSc. IT (running) Professional Certification  CompTIA Network+ & Security+  CCNA  MCSE (Specialist Security & Messaging)  MCTS ISA  MCTS Server 2008  RHCE Experience  Module Leader at Islington College  Network Engineer at IBSS Nepal  System Administrator at Nimbus Nepal  IT Security Specialist at Entrust  IT Specialist at Smart Solution Nepal  Professional Certificate Trainer at various colleges Mr. Ravi Chandra Gurung

6. Module aims The module aims: 1. To provide a firm understanding of networking terminology, models and mathematics. 2. To introduce students to copper, optical, and wireless networking media. 3. Practical experience on cable testing and cabling LANs and WANs 4. Understanding of Ethernet operation and 10/100/1000/10Gigabit versions of Ethernet.

7. Module aims… The module aims: 5. To introduce concepts of Ethernet switching. 6. To enable students to perform subnetting of IP addresses. The module contributes towards the subject IT.

8. Module outcomes after successful completion You will be able to: 1. Describe and classify computer networks and appreciate networking protocols and its importance in networking. 2. Explain some of the most common internetworking components. 3. Describe the Open System Interconnection (OSI) reference model and the communication process between different layers of the OSI reference model.

9. Module outcomes after successful completion… You will be able to: 4. Explain the different addressing schemes in computer networking. 5. Identify, make and test different network cables.

10. Module Assessments Assessments: 50% Exam 50% Practical Test  Tutorials are related to the Lectures/practical and Examinations.  Workshops are related to the Practical Assignment. Note:- Students should obtain 40% pass on aggregate from examination and coursework.

11. Module Syllabus Summary Networking Fundamentals Networking Media, Cable Testing, Cabling LANs and WANs, Ethernet Fundamentals, Ethernet Technologies, Ethernet Switching, TCP/IP Protocol Suite and IP Addressing, Routing Fundamentals and Subnets, TCP/IP Transport and Application Layers.

12. Highly recommended Booklist Cisco Systems, Inc. (2003), Cisco Networking Academy Program CCNA 1 and 2 Companion Guide, Cisco Press ISBN 1587131102. Cisco Systems, Inc. (2003), Cisco Networking Academy Program CCNA 1 and 2 Lab Companion, Cisco Press ISBN 1587131110.

13. Networking Fundamentals

14. Objectives Describe how networks impact our daily lives. Describe the role of data networking in the human network. Identify the key components of any data network. Identify the opportunities and challenges posed by converged networks. Describe the characteristics of network architectures: fault tolerance, scalability, quality of service and security. Install and use IRC(Internet Relay Chat) clients and a Wiki server.

15. How Networks Impact Daily Life Explain the benefits of instantaneous communication and how it supports and improves our lives.

16. How Networks Impact Daily Life Describe the characteristics and purpose of popular communication media such as, IM, Wikis, Blogs, Podcasting, and Collaboration Tools –Instant messaging Real time communication between 2 or more people based on typed text –Weblogs (Blogs) Web pages created by an individual –Podcasting Website that contains audio files available for downloading

17. How Networks Impact Daily Life Explain ways that using information networks to share and collaborate improves teaching and learning

18. How Networks Impact Daily Life Describe ways communication over a network changes the way we work

19. How Networks Impact Daily Life Describe ways communication over a network supports the way we play

20. Data Networking Role, Components, and Challenges Basic characteristics of communication –Rules or agreements are first established –Important information may need to be repeated –Various modes of communication may impact the effectiveness of getting the message across.

21. Data Networking Role, Components, and Challenges Describe the role of data networking in communications

22. Data Networking Role, Components, and Challenges Describe the various elements that make up a network –Devices These are used to communicate with one another –Medium This is how the devices are connected together –Messages Information that travels over the medium –Rules Governs how messages flow across network

23. Data Networking Role, Components, and Challenges Describe the role of converged networks in communications –Converged network A type of network that can carry voice, video & data over the same network

24. Network Architecture Characteristics Explain four characteristics that are addressed by network architecture design –Fault tolerance –Scalability –Quality of service –Security

25. Network Architecture Characteristics Describe how packet switching helps improve the resiliency and fault tolerance of the Internet architecture

26. Network Architecture Characteristics Describe characteristics of the Internet that help it scale to meet user demand –Hierarchical –Common standards –Common protocols

27. Network Architecture Characteristics Explain the factors that necessitate Quality of Service and the mechanisms necessary to ensure it

28. Network Architecture Characteristics Describe how QoS mechanisms work to ensure quality of service for applications that require it.

29. Network Architecture Characteristics Describe how to select the appropriate QoS strategy for a given type of traffic

30. Network Architecture Characteristics Describe why networks must be secure

31. Network Architecture Characteristics Describe basic measures to secure data networks –Ensure confidentiality through use of User authentication Data encryption –Maintain communication integrity through use of Digital signatures –Ensure availability through use of Firewalls Redundant network architecture Hardware without a single point of failure

32. IRC Clients and Wiki Server  Install and use IRC clients and a Wiki server

33. Summary

34. Thank You