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NEW QUESTION # 30
Which MySQL Enterprise Edition plug-in replaces real values with substitutes?
- A. MySQL Enterprise Data Masking and De-identification
- B. MySQL Enterprise Transparent Data Encryption (TDE)
- C. MySQL Enterprise Audit
- D. MySQL Enterprise No-Login Authentication
- E. MySQL Enterprise Scalability
Answer: A
NEW QUESTION # 31
Which activity will take place if a table is created with both the compression and encryption options?
- A. The system generates an error because the COMPRESSION and ENCRYPTION options cannot be used together.
- B. The compression is performed, the ''data_at_rest_flag" is turned on and the tablespace data is encrypted.
- C. The compression is performed before tablespace data is encrypted.
- D. The tablespace data is encrypted first and then compression is performed.
Answer: C
NEW QUESTION # 32
Which three are requirements for MySQL Group Replication (GR)?
- A. The minimum number of required nodes for achieving a consensus is two.
- B. The binary log format must be set to mixed.
- C. Data to be replicated must be stored in the InnoDB transactional storage engine.
- D. The use of global transaction identifiers is required.
- E. Primary keys are required on every replicated table.
- F. GR only works with MySQL versions 8.0.12 or higher.
Answer: B,C,E
NEW QUESTION # 33
Which Oracle product is certified to work with MySQL Enterprise Edition?
- A. Oracle Enterprise Backup
- B. Oracle Application Express
- C. Oracle Data Pump
- D. Oracle Enterprise Manager
Answer: D
NEW QUESTION # 34
You need to load the MySQL Enterprise Audit plug-in at database startup and prevent the audit plug-in from being removed at run time.
Which two options should you include in the MySQL configuration file?
- A. audit-log=FORCE_PLUS_PERMANENT
- B. LOAD PLUGIN=AUDIT_LOG
- C. audit_log_permanent=ON
- D. plugin-load=audit_log.so
- E. plugin-audit=ON, ALWAYS
Answer: A,C
NEW QUESTION # 35
The slave connects to the master and asks for updated records. What command was issued for this to happen?
- A. START RUN SLAVE
- B. SLAVE RUN
- C. SLAVE START
- D. START SLAVE
- E. RUN SLAVE
Answer: C
NEW QUESTION # 36
You want to change the default behavior of MySQL Enterprise Monitor (MEM). New instances detected by a MEM agent should automatically monitor discovered instances.
How can you change the Advisor Setting?
- A. Go to the configuration section (MEM) and configure the default login credentials.
- B. Go to the configuration section (Advisors) and create a new advisor rule for new MySQL instances based on the MySQL Advisor Wizard.
- C. Go to the configuration section (Advisors) and edit the default settings of the MySQL Process Discovery according to the existing users of your new MySQL instances.
- D. Go to the configuration section (Users) and create a new user according to the existing users of your new MySQL instances.
Answer: C
NEW QUESTION # 37
Which features of MySQL Enterprise Edition should you use to proactively monitor and track data changes in your databases?
- A. MySQL Audit and MySQL Workbench
- B. SQL Enterprise Monitor and MySQL Enterprise Authentication
- C. MySQL Enterprise Monitor and MySQL Audit
- D. MySQL Workbench and MySQL Enterprise Firewall
Answer: B
NEW QUESTION # 38
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?
- A. strict or relaxed masking
- B. whitelisting and substitution
- C. dictionary substitution
- D. misspelling
- E. random data substitution
Answer: A,C,E
NEW QUESTION # 39
After installing MySQL 8.0, you initialize the data directory with the --initialize command. Which two are places where you can find the root password?
- A. The root password displayed on the screen via a [warning] message.
- B. The root password is not given and is blank. You must manually set the root password.
- C. The root_pw variable stored in the mysq1.install table.
- D. As root, execute the show password command by using the SHA-256 password encryption plug-in.
- E. The root password inserted in the error log set by the --log-error=[file_name] variable
Answer: C,D
NEW QUESTION # 40
Consider this SQL statement which is using the innoDB storage engine and with global AUTOCOMMIT = 1:
What is the result after issuing the rollback command?
- A. Only the t2 table is created.
- B. Both the tables, t1 and t2, are not created because there is an explicit ROLLBACK.
- C. Only the t1 table is created.
- D. Both the tables, t1 and t2, are created.
Answer: D
NEW QUESTION # 41
Which of the following statements is true regarding MySQL user account privileges?
Response:
- A. The RELOAD privilege allows a user to delete data from a table.
- B. A user with the SUPER privilege can only read data from the database.
- C. The GRANT option allows a user to revoke privileges from other users.
- D. The USAGE privilege allows a user to connect to the MySQL server but grants no other privileges.
Answer: D
NEW QUESTION # 42
Which statement adds a column with the largest integer data type?
- A. ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);
- B. ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);
- C. ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;
- D. ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;
Answer: C
NEW QUESTION # 43
You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH).
When accessing a new MySQL Enterprise Edition Oracle Cloud Infrastructure (OCI) instance, you want to use MySQL Enterprise Workbench for SQL and remote management.
What are two ways to successfully configure Workbench based on the MySQL access credentials?
- A. Open the MySQL OCI instance access port 3306. For the MySQL connection, you use this port, and, in addition, you configure the remote management based on SSH based on the provided key.
- B. Configure the MySQL Router first and based on those settings, you access your MySQL CS instance.
- C. Convert the private key to ppk format first. Based on TCP/IP over SSH and based on the created private key, opc-user, and MySQL access credentials, you can access the MySQL CS instance.
- D. Configure TCP/IP over SSH and based on the created private key, opc-User, and MySQL access credentials, you can access the MySQL OCI instance.
Answer: A
NEW QUESTION # 44
Which two deployment architectures could you use for scaling-out database reads?
- A. Implementing a three-node, single-primary InnoDB Cluster.
- B. Altering the storage engine for all tables to memory to increase performance.
- C. Adding a memcached-tier for caching data and objects in RAM to reduce the number of times an external data source must be read.
- D. Changing the system setting with memory stickiness to true in order not to swap out mysq1dfrom memory.
- E. Edit the configuration file and increase the value for parallel_read_workers and reboot the server
Answer: A,B
NEW QUESTION # 45
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Oracle 1Z0-921 (MySQL 2021 Implementation Essentials) Exam is a certification exam designed to test the knowledge and skills of database administrators and developers in implementing and managing MySQL databases. 1Z0-921 exam covers a wide range of topics, including database architecture, installation and configuration, backup and recovery, security, performance tuning, and troubleshooting. Passing 1Z0-921 exam demonstrates that a candidate has a strong understanding of MySQL and can effectively manage and maintain MySQL databases in a production environment.
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