The creation of a trust between external forests or domains depends on both sides of the trust (domains or forests, as applicable) being able to resolve the forest or domain names on each side of the trust. Which DNS configuration is most commonly used in the real world?
A) Configure conditional forwarders
B) Configure a shared DNS server
C) Configure secondary zones
D) None of the above

A) Configure conditional forwarders

Explanation:

Based on the information provided within the question it can be said that the most commonly used DNS configuration is known as Configure conditional forwarders. These are DNS servers that only forward queries for specifically defined domain names, instead of forwarding all queries that it cannot resolve locally.

(a) oldest

a  social news website  is an  internet  website  that features  user-posted stories. such stories are ranked based on popularity, as voted on by other users of the site or by website administrators. users typically comment online on the news posts and these comments may also be ranked in popularity. since their emergence with the birth of  web 2.0, social news sites have been used to link many types of information, including news, humor, support, and discussion. all such websites allow the users to submit content and each site differs in how the content is moderated. on the  slashdot  and  fark  websites,  administrators  decide which articles are selected for the front page. on  reddit  and  digg, the articles that get the most votes from the community of users will make it to the front page. many social news websites also feature an online comment system, where users discuss the issues raised in an article. some of these sites have also applied their voting system to the comments, so that the most popular comments are displayed first. some social news websites also have a  social networking  function, in that users can set up a user profile and follow other users' online activity on the website.