Which of the following best describes what happens when a DNS server recrives an iterative name resolution query? Aattempts to resolve the requested name by checking its own resource records and cache or, failing that, by issuing its own iterative qurnies to other DNS servers Bit responds immediately to the query with the best information it has in its resource records or in its cache, or failing that, with an error message stating that it could not resolve the requested name CO None of these. It attempts to resolve the requested name by checking its own resource records and cache or, falling that, by forwarding the name resolution request to another DNS server in a recursive query