0
No.
The strongest correlation coefficient is +1 (positive correlation) and -1 (negative correlation).
A correlation coefficient of 1 (r=1) is a perfect positive correlation.
1.
The correlation can be anything between +1 (strong positive correlation), passing through zero (no correlation), to -1 (strong negative correlation).
A positive value for a correlation indicates a positive correlation; e.g. it has a positive slope.