a) Vectors have dynamic size whereas Array classes have a static size
b) Both vectors and Array classes have a dynamic size
c) Both vectors and Array classes have a static size
d) Vectors have static size whereas Array classes have a dynamic size
Meghna MittalBegginer
a
Explanation: Vectors are implemented in a way so that it can handle any number of elements at a time means the size of a vector can vary, whereas Array classes have fixed size.