Comptia pass4future comptia Data+ Da0-001 New Questions by Solomon q68 vce pdf

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Exam Name:	CompTIA Data+ Certification Exam
Exam Code:	DA0-001 Dumps
Vendor:	CompTIA	Certification:	CompTIA Data+
Questions:	262 Q&A's	Shared By:	solomon

Question 20

Which of the following data sampling methods involves dividing a population into subgroups by similar characteristics?

Options:

Systematic

Simple random

Convenience

Stratified

Discussion

Question 21

A user imports a data file into the accounts payable system each day. On a regular basis. the field input is not what the system is expecting. so it results in an error for the row and a broken import process. To resolve the issue, the user opens the file, finds the error in the row, and manually corrects it before attempting the import again. The import sometimes breaks on subsequent attempts. though. Which of the following changes should be made to this process to reduce the number of errors?

Options:

Delete all incorrect inputs and upload the corrected file.

Have the user manually review the file for data completeness before loading it

Create a data field to data type validator to run the file through prior to import.

Spot-check the file prior to import to catch and correct field errors.

Discussion

Question 22

What SQL command is used to delete an entire table from a database?

Options:

DROP.

MODIFY.

DELETE.

ALTER.

Discussion

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