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Archive for December, 2007

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what is a Firewall:
Firewalls are of two types:
-Hardware Firewall
-Software Firewall.
Firewall in simple manner is bascially the utility to provide the security over the network. These are the security measures that prevents the network’s in and out traffic to pass through the specific Security filters so that the unwanted and unsecure data can be stopped from [...]

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1. So, tell me a little about yourself.
I’d be very surprised if you haven’t been asked this one at every interview. It’s probably the most asked question because it sets the stage for the interview and it gets you talking. Be careful not to give the interviewer your life story here. You don’t need to [...]

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What are 10Base2, 10Base5 and 10BaseT Ethernet LANs ?
What is the difference between an unspecified passive open and a fully specified passive open
Explain the function of Transmission Control Block
What is a Management Information Base (MIB)
What is anonymous FTP and why would you use it?
What is a pseudo tty?
What is REX?
What [...]

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Why should we care about the OSI Reference Model ?
What is the main purpose for creating this osi model?
why it is a layered model?
message’s can transfer from one place to other .and the message not demaged for other . so this model can be create . they have 7 layers r there
1. physical level
2.data level
3.tranport [...]

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When planning your backup strategy you need to consider how often you will perform a backup, how much time the backup takes and what media you will use. What other factor must you consider when planning your backup strategy? _________
Many [...]

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You attempt to use shadow passwords but are unsuccessful. What characteristic of the /etc/passwd file may cause this? Choose one: a. The login command is missing. b. The username is too long. c. The password field is blank. d. The [...]

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