Boolean operators, it uses the word "and","or" and "not" with keywords to control the search. For example if you search for health and food, the search engine will give a narrow search focusing on the two keywords. Using "or" with keywords will give much broader results. Using a "not" will remove one keyword from the search, ex. windy not rainy will give results of the keyword windy only. An asterisk on the other hand, gives wider results with variations.
I would say C- Priority List.
I hope this helps! :)
Answer:
Port 21
Explanation:
FTP protocol typically makes use of Port 21, which is the main port for communication. The FTP clients get connected to the FTP server through the Port 21 and then does the required conversation. Hence, the correct option here is Port 21.
Answer:
Many-to-one
Explanation:
Many-to-one relationships is possible when two tables share the same primary key it is because one entity contains values that refer to another entity that has unique values. It often enforced by primary key relationships, and the relationships typically are between fact and dimension tables and between levels in a hierarchy.
Answer:
It will use the text in the ALT tag.