Social ________ is any technique that uses social skills to generate human interaction that entices individuals to reveal sensitive information

________ is a set of codes that are inserted in a file to indicate how it should be displayed on the Web

Fill in the blank(s) with correct word

When one DNS server receives a recursive request, that DNS server issues which of the following to the name servers in its hierarchy, or to servers provided as pointers in reply to earlier requests, until an answer is received?

A. caching queries B. address queries C. domain queries D. iterative queries