1. What is the difference between IARP and RARP?
2. how to provide ip address permanent by using DHCP Server?
3. How do you configure the Gateway for two different network in Linux
4. what is the difference between router ACLs and Firewall ACLs?
5. Organization Unit
6. Can traceout command work across the firewall? If No then why? If Yes then why?
7. What is meant by port blocking within LAN ?
8. If a computer have an IP address is 10.1.1.5 and subnet mask is 255.255.255.0 then what does it mean.
9. Explain Kerberos Protocol ?
10. Basis for OSPF protocol?
11. Difference between routing protocol and routed protocol?
12. How will request send by http browser from workstation to any website goes through router and come back to workstation and open web page. Explain how packets travel in term of ip protocols. ?
13. In terms of efficient network operation, is it better to have bigger or smaller collision and broadcast domains? If it is better to have smaller ones, why is smaller better, and how do we make them smaller? If it is better to have bigger ones, why is bigger better, and how do we make them bigger? What else can you tell me about them?
14. Why the Hop count for RIP is given 16 as unreachable. One reason for this Count-to-infinity. Is there any other reasons for this?
15. what are the different encryption types and tools available.
16. how to restore flash memory of cisco 2600 series router if IOS is currupt ?
17. what is dora process in DHCP and how it works?
18. DHCP Server
19. What is ARP and how does it work?
20. What is the connection between socket and session?
21. What is the role of Single Sign On in authentication technologies?
22. Different between broadcast domain and collision domain. or explain broadcast domain and collision domain?
23. Difference between discretionary access control and mandatory access control?
24. Name some routing protocols? (RIP,OSPF etc..)
25. How do you do authentication with message digest(MD5)? (Usually MD is used for finding tampering of data)
26. How does traceroute work? Now how does traceroute make sure that the packet follows the same path that a previous (with ttl - 1) probe packet went in?
27. What is the difference between BOOTP and RARP?
28. Write the purpose of vnp and name the vnp technology supported by windows 2000.
29. what is the difference between rackmount and standalone unit?
30. How to retrieve administrator password without using any third party tools?
31. What is the command that is used to identify/list the port no.s used by various applications in Unix/Windows?
32. What are the different types of network security?
33. How do you implement a packet filter that distinguishes following cases and selects first case and rejects second case. 1. A host inside the corporate n/w makes a ftp request to outside host and the outside host sends reply. 2. A host outside the network sends a ftp request to host inside. for the packet filter in both cases the source and destination fields will look the same.
34. How do you use RSA for both authentication and secrecy?
35. Is it possible to connect two private networks through Internet using VPN concentrator?
36. What is classful and classless routing ? Difference between RIPv1 & RIPv2 ? What is multicasting ? what is VLSM ?
37. What do you understand by 'even circuit' in networking?
38. What does CIA stand for in security management?
39. What is difference between ARP & RARP ? How both of these protocols will work, and where will it be used ?
40. What are all the technical steps involved when the data transmission from server via router?
41. What are digital signatures and smart cards?
42. How hash function works in router?