DA0-001 試験問題を無料オンラインアクセス

A web developer wants to ensure that malicious users can't type SQL statements when they asked for input, like their username/userid.
Which of the following query optimization techniques would effectively prevent SQL Injection attacks?

• A.Temporary table in the query set.
• B.Subset of records.
• C.Indexing.
• D.Parametrization.

An analyst needs to conduct a quick analysis. Which of the following is the FIRST step the analyst should perform with the data?

• A.Conduct a trend analysis and use a scatter chart.
• B.Conduct an exploratory analysis and use descriptive statistics.
• C.Conduct a link analysis and illustrate the connection points.
• D.Conduct an initial analysis and use a Pareto chart.

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?

• A.Spot-check the file prior to import to catch and correct field errors.
• B.Delete all incorrect inputs and upload the corrected file.
• C.Have the user manually review the file for data completeness before loading it
• D.Create a data field to data type validator to run the file through prior to import.

Which of the following best describes the use of a tab sequence?

• A.\l
• B.\\l
• C.\t
• D.\\t

Which of the following can be used to translate data into another form so it can only be read by a user who has a key or a password?

• A.Data encryption.
• B.Data protection.
• C.Data masking.
• D.Data transmission.