Answered Questions

  • What is the difference between layer 3 switch and router?

    M.Alam

    • Nov 10th, 2007

    A Layer3 switch can handle a network divided in multiple segments running on different subnets, as it can perform routing  too.Whereas for such networks we need a Layer2 switch for inter-segment communication and a router for one segment to another segment   

  • How to find and change the Administrative password ?

    other than from control panel option, if the Windows XP is corrupted, this was a question asked to my friend for his interview

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    sushantrocks  

    • Member Since Feb-2010 | Feb 3rd, 2010


    You can do this in the following ways:

    Using the net user command

    1) This is assuming if you have a valid account with admin rights open command prompt, type "net user", it will show all user accounts including Admin then simply type "net user <login name> *"

    It'll ask for the new password...

    2) You can use WinXP CD to repair the OS and when it reaches installing devices progress bar, press shift+F10, you'll get a console, type "nusrmgr.cpl", you'll get a GUI to change/remove password...(haven't tried this one too)

    3) There are many softwares made for this very purpose, one such is Winternals (This is a paid software, you may want to find an open source one), what it'll do is run parallely with XP and give you the option to change the password.

  • Explain Kerberos Protocol ?

    puneet chawla

    • Nov 4th, 2007

    KC comment is correct.Apart from KC comment the error message that comes on the client of an AD is that Domain Controller is unavailable when Kerberos Authentication server(AD) is down.

    KG

    • Oct 16th, 2007

    Kerberos is a network authentication protocol which allows individuals communicating over an insecure network to authenticate to themselves in a secure manner.Kerberos makes use of the Key Distributio...

  • What is Load balancing?

    If the number of incoming clients requests exceeds the number of processes in a server class, the TP Monitor may dynamically start new ones and this is called Load balancing.

  • What is frame relay, in which layer it comes?

    Frame relay is a packet switching technology. It will operate in the data link layer.

    Suraj

    • Jan 20th, 2007

    Frame Relay A more efficient replacement of the X.25 protocol (an unrelated packet relay technology that guarantees data delivery). Frame Relay is an industry-standard, shared-access, best-effort, swi...

  • How Gateway is different from Routers?

    A gateway operates at the upper levels of the OSI model and translates information between two completely different network architectures or data formats.