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
Explanation: In a Type 3 driver, a three-tier approach is used to accessing databases. The JDBC clients use standard network sockets to communicate with an middleware application server. In a Type 4 driver, a pure Java-based driver that communicates directly with vendor’s database through socket connection.
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