Which of the following connectors are used for serial ports? (Select all that apply.)

A.
A female DB-9

B.
A male DB-25

C.
A female DB-15

D.
A male DB-9

E.
A female DB-25

Explanation:
Both the DB-25 and DB-9 MALE connectors are used for serial ports.
Incorrect answers:
A: A Female DB-9 connector is used for EGA/CGA video ports.
C: A Female DB-15 connector is used for VGA/SVGA video adapters.
E: A female DB-25 connector is used for parallel ports.
Reference:
David Groth and Dan Newland, A+ Complete Study Guide (2nd Edition), Sybex, Alameda , CA,
2001, pp. 17and18.