Data Communication and Computer Network Assignment No. 2

Data Communication & Computer Network

Assignment No. 2 (2022-2023)

1. Write the differences between Logical and Physical addressing.

2. What is addressing explain different types of classes in addressing ?

3. Write short note on following...

• Super-netting.
• Sub-netting.
• Internetworking.
• Masking. 
• Ethernet.

4. Explain IPv4 with suitable diagram.

5. Explain IPv6 with suitable diagram.

6. Write the differences between IPv4 and IPv6.

7. Explain the following networking devices with suitable diagram...

• NIC.
• Hub. 
• Switch. 
• Router. 
• Repeater.
• Modem. 
• Gateway.

8. What is Firewall? Explain its types with suitable diagram.

9. What are the principles of network security? Explain.

10. What is Cryptography? Explain Symmetric and Asymmetric Key 

cryptography with suitable diagram.

12. What are the network security protocols? Explain.

13. Explain the following Network troubleshooting tools.

• PING.
• IPCONFIG.
• IFCONFIG.
• NETSTATE.
• TRACEROOT.
• Wireshark.
• Nmap.
• TCPDUMP.
• ROUTEPRINT.
• Kerberos.

14. Explain DHCP server with its advantages and disadvantages.