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another great video .. 5/5
very nice video…..it helped a lot to understand the concepts. Thank You sir.
really nice…. thx…
thanks really nice vid
You are the man
49:52 – looks like a magic 🙂
Prof.I.Sengupta thank you so much for this video and all the other ones you have posted here on YouTube, as 1 patron has said already you are "the man". Great work.
Excellent Sir and Thanks for who posted these videos
at 32:24 you are describing about primary name server and secondary name servers. that part doesn't looks write to me. can u explain me is primary is same as master and secondary is slave ?
dawn it I dont understand very well the english
it is good
its a vry nic…
Thank you very much it really helped me a lot..
you don't understand because you don't understand english well. what is the meaning of "dawn"?
definittion of dawn
1. The time each morning at which daylight first begins.
2. A first appearance; a beginning: the dawn of history. See Synonyms at beginning.
intr.v. dawned, dawn·ing, dawns
1. To begin to become light in the morning.
2. To begin to appear or develop; emerge.
3. To begin to be perceived or understood: Realization of the danger soon dawned on us.
Good & Thorough!
gud tutorial ..but @ 51:20 port number 22 is for ssh i believe ..pls correct me if iam wrong
sir you are great….i like this video
very help ful video thank's 🙂
The presentation is very informative & well explained. I guess by mistake port 22 was used for ftp data port. Port 22 is used for SSH, the data port should be 20 (rfc959). Even in ftp over ssh we use port 21 for data connection.
Port 20 is generally used in Active FTP, where server intiate data transfer fusing source port 20.
Really good video lecturer is very clear and explains things in a very straight forward manner that is easy to understand. Helped my revision so much!
Telnet Course Starts from 40:00
Excellent explanations, excellent video, excellent professor. Very helpful small comments or examples that you don't find when you just read literature about this
Very good explanation.. very much helpful. Thank u sir... .
+nptelhrd thank you!
Was a bit lost before i found this videoNow i'll binge watch
Thank you so much Prof.I.Sengupta for such an easy explanation.
useful and informative session, great skill. helped me a lot.
Million dollar information..Plz watch if u want knowledge in deep
I got placement in campus drive because of the concept of DNS. That u taught at 35:00 in this lecture.Interviewer asked exact working of DNS.He impressed so much..
Thank u so much sir !!!!!
Very clear explanation sir. Thank you.
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