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Data Warehousing And Data Mining
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Course Name
BCA (Bachelor of Computer Application)
Subject Code BC0058 (Data Warehousing And Data Mining)
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PART - A
PART - B
PART - C
Subject : Data Warehousing And Data Mining
BC0058 : PART - C
Q. 1 | Which of the following statements are true? 1. The primary operations of a DSS system is reporting 2. The level of analytical requirements in an OLTP system is high 3. Data per transaction in an OLAP system is large 4. Data |
| A) | 1, 2, 4and 5 |
| B) | 2, 3, 5 and 6 | | C) | 1, 2, 3 and 4 | | D) | 1, 3, 5 and 6 | | | | Q. 2 | Given Set A 1) OLAP 2) Data Warehouse 3) Data Mining 4) Data Marts Set B 1) Built & owned by centrally coordinated organizations 2) Enables users to gain insight into their data 3) Subject oriented multidimensional |
| A) | 1) - 3), 2) - 1), 3) - 4), 4) - 2) |
| B) | 1) - 2), 2) – 1), 3) - 4), 4) - 3) | | C) | 1) - 4), 2) - 3), 3) - 2), 4) - 1) | | D) | 1) - 2), 2) - 4), 3) - 1), 4) - 3) | | | | Q. 3 | Given Set A 1) Table space 2) Bitmapped Index 3) Star Schema 4) OMNIDEX Set B 1) Industry standard for indexing mechanism 2) Has its own SQL optimizer 3) Collection of one or more data files 4) Used to store data in |
| A) | 1) - 3), 2) - 1), 3) - 4), 4) - 2) |
| B) | 1) - 4), 2) – 1), 3) - 2), 4) - 3) | | C) | 1) - 4), 2) - 3), 3) - 1), 4) - 2) | | D) | None of the above | | | | Q. 4 | Which of the following question must be considered before initiating a data warehouse project? 1. What are the specific strategic business objectives that the warehouse is supposed to achieve? 2. Have the key users of the data ware |
| A) | 1, 2, 4and 6 |
| B) | 2, 3 and 5 | | C) | 1, 3, 5 and 6 | | D) |
1, 2, 3, 4, 5 and 6 | | | | Q. 5 | Pick out the incorrect statement with reference to security standards and their functions 1) S/VAN- Point to point encryption between firewalls and routers 2) SET - This protocol is a application independent, allowing protocol like |
| A) | 1), 3), 4) and 5) |
| B) | 1), 3) and 4) | | C) | 1), 4) and 5) | | D) | 3), 4) and 5) | | | |
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