No. Can they be rounded? Yes.
A cylinder has 2 circular edges that are parallel to each other at its bases
Two circular edges
A cylinder has a circular face at each end, and a rectangular face folder around the middle. The only edges are the edges of the circular ends.
One circular edge.
Both.
A cone has one circular face. It only has one vertice and it does not have any edges since the face is circular.
Faces: 2 circular, 1 curved rectangular. Vertices (not vertexes!): None Edges: 2 circular.
A cylinder has no vertices (not vertexes!) It has 2 circular edges.
A rod is an elongated cylinder, so it has 2 circular edges.
It has 3 faces, 2 circular edges and no vertices
Two.
It has one circular edge.