Free Oracle 1Z0-920 Exam Actual Questions

The questions for 1Z0-920 were last updated On May 3, 2024

Question No. 1

Which statement adds a column with the largest integer data type?

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Correct Answer: A

Question No. 2

Assume that MySQL Enterprise Monitor is configured to monitor MySQL 8.0.10 or a later instance. Which three features are available?

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Correct Answer: A, D, F

Question No. 3

MySQL Enterprise Masking and De-identification can hide or obfuscate sensitive data, by controlling how the data appears. Which three are MySQL Enterprise Masking and De-identification functions?

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Correct Answer: B, C, E

Robust Data Masking Functions

MySQL Enterprise Masking and De-identification can hide or obfuscate sensitive data, by controlling how the data appears. It features robust masking algorithms including selective masking, blurring, random data substitution and other special techniques for credit card numbers, account numbers and other personally identifiable information, enabling IT departments to maintain structural rules to de-identify values. MySQL Enterprise Masking and De-identification functions include:

* Selective Masking - Obscures a particular portion of numbers or strings such as phone numbers, and payment card numbers.

* Strict or Relaxed Masking - Implement strict or relaxed masking to obfuscate data.

* Random Data Substitution - Replace real values with random values while maintaining format consistency.

* Blurring - Add a random variance to existing values such as randomized numeric ranges for salaries.

* Dictionary Substitution - Randomly replace values from task specific dictionaries.

* Blacklisting and Substitution - Replace specifically blacklisted data, but leave non-blacklisted in place.

https://www.mysql.com/products/enterprise/masking.html#:~:text=Robust%20Data%20Masking%20Functions,controlling%20how%20the%20data%20appears.&text=Random%20Data%20Substitution%20%2D%20Replace%20real,values%20while%20maintaining%20format%20consistency.


Question No. 4

You have been using mysqldump for logical backups of your MySQL databases. Your MySQL database size has been growing. Which two options can reduce the backup size and speed up the backup time?

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Correct Answer: B, E

Question No. 5

Which statement would you use to remove the population column from the city table?

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Correct Answer: A