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Which JDBC driver Type(s) can be used in either applet or servlet code?

  • A.Both Type 1 and Type 2
  • B.Both Type 1 and Type 3
  • C.Both Type 3 and Type 4
  • D.Type 4 only

Answer: C

Correct answer: Both Type 3 and Type 4

Applets and servlets both need a driver that can work over a network without native code installed on the machine. Type 3 speaks to a middleware server and Type 4 speaks the DBMS protocol directly, and both are pure Java. Types 1 and 2 depend on ODBC or a native client library being present locally, which an applet cannot assume.

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