Question 1 Describe the architecture and usage of ISDN
Question 2 Write about different network structures in use
Question 3 Explain the concept of framing in Data Link Layer and its importance in data communication
Question 4 Differentiate Noisy and Noiseless channels in Data Communication
Question 5 Explain firewall and also explain the components of firewall system
Question 6 Explain the two modes of IP Security