What are some of the core roles of a database administrator? ...

[KWilfred]

What are some of the core roles of a database administrator?
 
  What will be an ideal response?

Question 2

One possible source of software which involves in-house development with purchased solutions is called a(n):
 
  A) generic solution.
  B) hybrid solution.
  C) mid-point solution.
  D) composite solution.
  E) amalgamated solution.

[LegendaryAnswers]

Answer to Question 1

Some of the core roles of a database administrator are:
1. Analyzing and designing the database
2. Selecting DBMS and related software tools
3. Installing and upgrading the DBMS
4. Tuning database performance
5. Improving database query processing performance
6. Managing data security, privacy and integrity
7. Performing data backup and recovery

Answer to Question 2

B
Explanation: B) In-house development need not entail development of all of the software that will compose the total system. Hybrid solutions involving some purchased and some in-house software components are common.