Answer / rajamurthy

It is evident by now, that DNS is a critical component of
Internet networking. When it works well, the Internet will
be easier to use than the telephone. When there are
problems, it may appear to you that the whole Internet is
broken. Knowing a little about how DNS works can help you
describe problems when you are talking to technical support
staff.

How switch learn MAC address? Explain MAC learning in switches.

1 Answers   HCL,

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Which layer packages data into frames?

1 Answers  

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Explain the use of a default gateway?

0 Answers  

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what is the difference b/w CIDR AND VLSM?

2 Answers   TCS,

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You try "ping server1" and you get "unknown host server1" . Why ?

1 Answers  

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1. Where is that value controlled? 2. What value does spawn return? 3. What is DNS? 4. How do you take a single line of input from the user in a shell script? 5. How do you create a swapfile? 6. what do you mean by server

2 Answers   IBM,

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Define peer to peer?

0 Answers  

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Why we are going to RSTP?

1 Answers   HCL,

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You want to make your own configuration file for sendmail. After editing the appropriate files, which program would you run to compile your new configuration file ?

1 Answers  

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When one runs a packet sniffer on a workstation, that workstation's network card goes into which mode . a. interactive b. routing c. promiscuous d. open

1 Answers  

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Define lan?

0 Answers  

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PPP supports which of the following features? a. encryption b. login c. password d. error correction

1 Answers  

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