On Sat, 17 Nov 2007, in the Usenet newsgroup comp.os.linux.networking, in article <5fd1f5df-6df6-4f03-8295-ada2d18557f2@b40g2000prf.googlegroups.com>, sophia.agnes@gmail.com wrote: NOTE: Posting from groups.google.com (or some web-forums) dramatically reduces the chance of your post being seen. Find a real news server. >1) >I was going through networking text books. in one of the books >there was an explanation about daytime server. now what exactly >is the purpose of day time server...??? as nowadays everyone using >computers will be having mobile phones or a watch , so knowing >time is not much of an issue. 0867 Daytime Protocol. J. Postel. May 1983. (Format: TXT=2289 bytes) (Also STD0025) (Status: STANDARD) Computers don't read mobile phones or watches by default. 'daytime' which is an obsolete (or more correctly, "ancient") service is used to synchronize the computer time. It's been replaced by NTP. >2)can any one give example for DBMS software i.e used to build >DNS databases ...????? We simply use a dumb shell script >3) what does the TLD INT specify is it international if it is so why >such a TLD is being created.???? These sound like homework questions. You might want to look up why there is an .ap and .eu domain - that might give the clue. But if all else fails, why not look at RFC1591 which you can find using the same search engine you are posting from. 1591 Domain Name System Structure and Delegation. J. Postel. March 1994. (Format: TXT=16481 bytes) (Status: INFORMATIONAL) or you could just ask your instructor. Old guy