Southern New Hampshire University - IT 210

1)The amount of data is increasing exponentially over time.

 

 

 

 

 

 

 

 

 

 

 

2. It is very difficult to manage data for which of the following reasons?

 

 

 

 

 

 

 

 

 

 

 

3. When customers access a Web site and make purchases, they generate       .

 

 

 

 

 

 

 

 

4. Which of the following are ways for companies to leverage big data to gain value? (check all that apply)

 

 

 

 

 

 

 

 

 

5. In a relational database, the customer record contains information regarding the customer's last name. The last name is a(n):

 

 

 

 

 

 

 

 

 

 

 

 

6. When various copies of the data agree, this is an example of data integrity.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7. A(n)     is a logical grouping of related fields.

 

 

 

 

 

 

 

 

 

8. In a database, the primary key field is used to    .

 

 

 

 

 

 

 

 

9. Normalization is a method for eliminating redundant data elements.

 

 

 

 

 

 

 

 

 

 

10. The data dictionary defines the format necessary to enter data into a database.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11. A standardized language used to manipulate data is   .

 

 

 

 

 

 

 

 

 

 

 

 

 

12. Transferring data from the organization's operational databases into its data warehouse is called data reconciliation.

 

 

 

 

 

 

 

 

 

 

 

 

 

13. Compared to data warehouses, data marts have which one of the following characteristics?

 

 

 

 

 

 

 

 

14. Which of the following is an example of explicit knowledge?

 

 

 

 

 

 

 

15. Explicit knowledge has which of the following characteristics?

 

 

 

 

 

 

 

 

 

 

 

16. The most important benefit of knowledge management systems is: