. Define Network Management. Explain network management, goals and functions, necessary 2. What are the challenges of information technology 3. Define Analogy of telephone Network 4. Explain about the network topology in the s. Write a note on (i) VLAN (ii)WAN (iii)FDDI 6. Draw and explain the broadband services network. function grouping figure. managers in managing the network? Management? perspective of network management. (iv)Token Ring 7. Enumerate and explain the functions and applications of hubs and bridges s. Explain the principle advantages of ISDN with neat diagrams