I have a number of doubts in some fundamental part of networking,
Question 1)Is it compulsory to have a dns server to run a website? Since DNS are used for converting name to Internet Protocol (IP) mapping and what if I select. I am okay by means of presently by means of "ip-address" for my web-site,Is there any option for a dns server?
Question 2)Suppose similar to this, if I am eager to make use of class "D" as well as "E" Internet Protocol (IP) address in my LAN. What is the default sub-net mask I be suppose to give?
Hope I will acquire my worries cleared.
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