Network topology of a computer lab

1. Basic Concepts of Computer Networks and Communications 3.1.5 Network Topology

2. Main Menu OBJECTIVE CONTENT EXERCISE SUMMARY EXIT

3. At the end of this lesson, student should be able to achieve all the three objective below:- OBJECTIVE MAIN MENU SUMMARY EXIT EXERCISE CONTENT At the end of this lesson, student should be able to achieve all the three objective below:- Explain meaning of network topology with correctly. State three types of network topologies correctly. Differentiate correctly between the three types of network topology.

4. CONTENT MAIN MENU SUMMARY EXIT EXERCISE OBJECTIVE Definition of Network Topology Types of Network Topology Differentiation Between the Types of Network Topology

5. DEFINITION What is a Topology ? The physical topology of a network refers to the configuration of cables, computers and other peripherals. MAIN MENU SUMMARY EXIT EXERCISE OBJECTIVE

6. TYPES OF NETWORK TOPOLOGY Three commonly used network topologies are:- Bus network. Ring network. Star network. MAIN MENU SUMMARY EXIT EXERCISE OBJECTIVE

8. BUS TOPOLOGY MAIN MENU SUMMARY EXIT EXERCISE OBJECTIVE

9. BUS TOPOLOGY MAIN MENU SUMMARY EXIT EXERCISE OBJECTIVE

11. RING TOPOLOGY MAIN MENU SUMMARY EXIT EXERCISE OBJECTIVE

13. STAR TOPOLOGY MAIN MENU SUMMARY EXIT EXERCISE OBJECTIVE

14. STAR TOPOLOGY MAIN MENU SUMMARY EXIT EXERCISE OBJECTIVE

15. DIFFERENTIATION BETWEEN THE THREE TYPES OF NETWORK TOPOLOGY MAIN MENU SUMMARY EXIT EXERCISE OBJECTIVE WHAT IS DIFFERENTIATION BETWEEN THE THREE OF NETWORK TOPOLOGY? SEARCH IN THE INTERNET

16. DIFFERENTIATION BETWEEN THE THREE TYPES OF NETWORK TOPOLOGY MAIN MENU SUMMARY EXIT EXERCISE OBJECTIVE http://en.wikipedia.org/wiki/Network_topology http://home.att.net/~charlie.net/cMctopology.htm

17. DIFFERENTIATION BETWEEN THE THREE TYPES OF NETWORK TOPOLOGY MAIN MENU SUMMARY EXIT EXERCISE OBJECTIVE BUS 2) Terminators are required at both ends of the backbone cable. 2) Requires less cable length than a star topology. 1) Entire network shuts down if there is a break in the main cable. 1) Easy to connect computer or peripheral to a linear bus. 3) Difficult to identify the problem if the entire network shuts down. DISADVANTAGE ADVANTAGE

19. DIFFERENTIATION BETWEEN THE THREE TYPES OF NETWORK TOPOLOGY MAIN MENU SUMMARY EXIT EXERCISE OBJECTIVE STAR 2) If the hub or concentrator fails, nodes attached are disabled. 2) Security can be implemented in the hub/switch. 1) Requires more cable length than a linear topology. 1) Easy to install and wire. 3) More expensive than linear bus topologies because of the cost of the concentrators. 3) Easy to detect faults and to remove parts. DISADVANTAGE ADVANTAGE

20. EXERCISE MAIN MENU SUMMARY EXIT CONTENT OBJECTIVE 1) Which of the following statements describe about network topology correctly ? A . Devices attached or detached at any point on the network. B . The failure of device on the network. C . Refers to the configuration of cables, computers and other peripherals. D . All of the above.

23. EXERCISE MAIN MENU SUMMARY EXIT CONTENT OBJECTIVE 4) On a bus network, such as that illustrated in the accompanying figure, if one node fails ________. A . Only that node is affected. B . Only the nodes before that node are affected. C . Only the nodes after that node are affected. D . All the nodes are affected.

26. EXERCISE MAIN MENU SUMMARY EXIT CONTENT OBJECTIVE 7) The statement true about star topology is A . Difficult to identify the problem if the entire network shuts down. B . Terminators are required at both ends of the backbone cable. C . The transmission of data is relatively simple as packets travel in one direction only. D . Easy to detect faults and to remove parts.

27. ANSWER MAIN MENU SUMMARY EXIT CONTENT OBJECTIVE YOU ANSWER IS WRONG, TRY AGAIN !!! SORRY!! QUESTION 1 QUESTION 2 QUESTION 3 QUESTION 4 QUESTION 5 QUESTION 6 QUESTION 7

28. ANSWER WELL DONE YOU ANSWER IS CORRECT !!! QUESTION 1 QUESTION 2 QUESTION 3 QUESTION 4 QUESTION 5 QUESTION 6 QUESTION 7 MAIN MENU SUMMARY EXIT CONTENT OBJECTIVE

32. ARE YOU SURE TO EXIT ? YES NO

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