Why might an administrator want to disable the recursive query functionality when they have a public DNS server containing resource records for their publicly available servers?
What will be an ideal response?
The public DNS server is necessary to resolve iterative requests from other DNS servers for your public domain, but you don't want unauthorized Internet users using your DNS server to field recursive client requests.
Computer Science & Information Technology
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Use the ________ key to select multiple objects that you want to group together
A) F2 B) Shift C) Alt D) Ctrl
Computer Science & Information Technology
The format of chroma subsampling is designated with three numbers separated by colons (for example, 4:2:2) to represent ______.
A. the ratio of red:green:blue B. the ratio of the luminance to the two chrominance components C. the ratio of the number of three different types of pixels D. hours:minutes:seconds E. the ratio of the number of three different types of frames in a GOP
Computer Science & Information Technology