Match the following.
| List-I | List-II |
| a. Computer based training | 1. Knowledge management |
| b. Data silos | 2. Data about business data |
| c. Meta data | 3. Problem of big data |
| d. Data mart | 4. Decentralised Data warehouse |
A. a-1, b-2, c-3, d-4
B. a-1, b-3, c-2, d-4
C. a-1, b-3, c-4, d-2
D. a-1, b-2, c-4, d-3
Answer: Option B

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