Answer:
B repeat a chunk of code until the condition is true im 88% sure
<span>A large organization minimum at-least 2 DNS servers are needed. DNS servers are each internet domain in need. and Multiple server farms distribute the DNS Server. One of the DNS Server is must in separate location. install DNS server on all domain controller. DNS server on every domain controller is must.</span>
CAD is the answer you require, but it may also be Spread sheet
Hope this helped ♥︎