For $=\{a,b\},$ which strings would be accepted by the given DFA?

Strat

All strings with no more than three a$\text{'}$s$.$

All strings with at least one a and exactly two b$\text{'}$s$.$

All strings with at least one a$.$

All strings with exactly one a$.$

All the strings with exactly two a$\text{'}$s and more than two b$\text{'}$s$.$