What is Computer Network? List and explain types of networks.
[5 marks]Draw and explain OSI Model in detail. Explain functionality of each layer.
[5 marks]Explain Half and Full-Duplex Ethernet in detail.
[5 marks]Explain Spanning-Tree Protocol with its advantages and limitations.
[5 marks]Draw and explain the basic architecture of Wireless LAN.
[5 marks]Differentiate IPv4 and IPv6.
[5 marks]What is subnet mask? Explain different classes of IP address.
[5 marks]Draw and Explain head format of IPv4.
[5 marks]Explain the use of ARP and RARP.
[5 marks]Give the difference between TCP and UDP.
[5 marks]Discuss transport layer multiplexing and De-multiplexing concept.
[5 marks]Explain functions of Transport Layer in detail.
[5 marks]Discuss Voice over IP (VoIP) in detail.
[5 marks]Explain data confidentiality, data authentication and data integrity.
[5 marks]Explain Playfair cipher technique in detail. Find cipher text for plain text ‘GTUCNSEXAM’ using ‘STUDY’ as key.
[5 marks]Write a short note on “Digital Signature Algorithm”.
[5 marks]Explain Caesar cipher technique in detail. Find cipher text for plain text ‘HELLO’ using ‘3’ as key.
[5 marks]