An administrator upgrades the IBM DB2 JDBC driver. The test connection operation fails. On checking the System.Out log the administrator finds that the JVM is still using the old JDBC driver.
What could be the possible reason for the failure?
A . No driver JARs exist.
B . The driver upgrade failed.
C . There are multiple drivers in the provider classpath.
D . DB2UNIVERSAL_JDBC_DRIVER_PATH was NUL
Answer: C