WHAT IS DIFF B/W DBCC & DMV'S

HI TO ALL,

1. WHAT IS THE DIFF BETWEEN DBCC AND DMV'S EXPLAIN WITH DEFINITIONS?

2. WHAT IS MEAN BY SERVICE BROKER? WHAT IS THE USE OF THIS?

3. AT WHAT TIME(SITUATIONS) CAN WE USE CHECK POINTS?

4. PLS ANY ONE CAN SEND ME SQL DBA QUESTION & ANSWERS (2+) EXP IN SQL DBA IN THE REAL TIME SCENARIO?

THANKS IN ADVANCE

MUNNURU K