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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. The slave connects to the master and asks for updated records. What command was issued for this to happen?

A) SLAVE RUN
B) START SLAVE
C) RUN SLAVE
D) START RUN SLAVE
E) SLAVE START

2. Which is a correct example of creating an Enterprise Encryption function?

A) VALIDATE FUNCTION create_asymmetric_priv_key WITH ,openssl_udf.so';
B) INSERT INTO t1 (key_co1) FUNCTION(CREATE_ASYMMETRIC_PRIV_KEY(,RSA,, 1024));
C) SET @function = CREATE_ASYMMETRIC_PRIV_KEY(@algo, @key_len);
D) CREATE FUNCTION asymmetric_decrypt RETURNS STRING SONAME ,openss1_udf.so,;

3. The replication for a Master and Slave MySQL Servers is up and running. The disk space for Master Server is continuously growing. The binlog size keeps growing. Which two methods can fix the issue?

A) To safely purge binary log files, perform these steps:
B) Delete all binlog files manually on the file system to release storage spaces.
C) Set the expire_logs_days system variable to expire binary log files automatically after a given number of days.
D) Execute the purge binary logs statement without argument.
E) On the Master server, disable binlog by removing the --log-bin option.

4. Which is true about inserting an additional line in a single document stored in MySQL document store?

A) You specify the new element,s position in the JSON_ARRAY_INSERT statement.
B) Any new lines can only be inserted at the end of the document.
C) You cannot insert a single line, you have to replace the entire document with a new document.
D) The path specified must be an array position past the end of an array using the JSON_POSITION statement.

5. The MySQL Enterprise Monitor Agent requires a user configured in each MySQL instance that is being monitored with suitable privileges to collect information about the server.
Which statement is correct?

A) Monitoring metrics need super and root privileges because they are not available for a less-privileged user.
B) The super privilege is required when creating and populating the inventory table, as well as running statements such as show master logs or SHOW ENGINE INNODB STATUS.
C) The super privilege is required when starting, stopping, or restarting monitored MySQL databases.
D) MySQL Enterprise Monitor creates the required users automatically.

Solutions: