Pass 1Z0-921 Exam with Updated 1Z0-921 Exam Dumps PDF 2025
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To prepare for the Oracle 1Z0-921 Exam, candidates should have a good understanding of SQL and database management concepts. They should also be familiar with the MySQL architecture and how to install, administer, and troubleshoot MySQL databases. Additionally, candidates should have experience with MySQL tools and utilities, such as the MySQL Enterprise Monitor, MySQL Workbench, and MySQL Shell. With the right preparation and experience, passing the Oracle 1Z0-921 Exam can help candidates advance their careers as database administrators and developers.
NEW QUESTION # 34
How would you restrict a user Joe from accessing all MySQL database objects?
- A. CREATE USER ,joe'@,0.0.0.0, SET Password=PASSWORD(,% ! %,)
- B. REVOKE ALL PRIVILEGES, GRANT OPTION FROM ,joe,@,%,;
- C. Insert Joe,s name into the mysql.user_restriction cable, and issue the FLUSH PRIVILEGES command.
- D. CREATE USER , joe,@1' %' DENY ALL PRIVILEGES
- E. UPDATE mysql.user SET Password=PASSWORD(,Invalid,) WHERE User=,joe';
Answer: C
NEW QUESTION # 35
When using an Oracle Cloud Infrastructure Compute Instance with MySQL Enterprise Edition installed, you have two choices for backup destinations. What are these two choices?
- A. Both Cloud storage and local storage
- B. Cloud storage only
- C. Flash-archive recovery area
- D. Cloud tape library
Answer: A,B
NEW QUESTION # 36
Which three are levels in which MySQL Enterprise Monitor provides access control?
- A. Application administration: the rights to view or change the MySQL Enterprise Monitor configuration
- B. MySQL Enterprise Operations: the right to deploy the necessary MySQL Enterprise Agent
- C. MySQL Enterprise Operations: the right to start/stop/restart/update MySQL Enterprise Monitor Services
- D. Specific data access: the rights to view specific types of potentially sensitive data
- E. Asset visibility: the rights to access data collected from hosts or MySQL instances
Answer: A,D,E
NEW QUESTION # 37
What is Kubernetes in the context of MySQL?
Response:
- A. A database engine for MySQL.
- B. An open-source container orchestration platform.
- C. A database management tool for MySQL.
- D. A cloud service provided by Oracle for MySQL databases.
Answer: B
NEW QUESTION # 38
MySQL is installed on a Linux server with the configuration:
Which two methods can change the default options to use the authentication plug-in that implements SHA-256 hashing for user account passwords?
- A. Create user by using CREATE USER 'newuser' @'localhost' SET PASSWORD AS 'Sh@256Pa33';
- B. Add --default_authentication_plugin=sha256_password on the command line when you invoke the server.
- C. Add default_authentication_plugin=sha256_password under [mysqld] in the configuration file.
- D. Create user by using CREATE USER 'newuser'@'localhost' IDENTIFIED WITH 'Sh@256Pa33';
Answer: B,D
NEW QUESTION # 39
Which component of MySQL Enterprise Monitor provides trend analysis and capacity planning for MySQL databases?
Response:
- A. Query Analyzer
- B. MySQL Advisors
- C. MySQL Dashboard
- D. MySQL Query Analyzer
Answer: D
NEW QUESTION # 40
The user -os-user'@"localhost" was created to monitor connections and shut down the server, and was granted these privileges:
GRANT PROCESS, SHUTDOWN ON *.* TO "OS-user*@"localhost';
Which three are commands that the os-user can execute?
- A. SHOW STATUS;
- B. GRANT PROXY
- C. KILL PROCESS;
- D. SHOW PROCESSLIST;
- E. SHUTDOWN
- F. SHOW BINLOG EVENTS;
Answer: A,C,E
NEW QUESTION # 41
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. Configure the MySQL Router first and based on those settings, you access your MySQL CS instance.
- B. 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.
- C. 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.
- D. 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.
Answer: C
NEW QUESTION # 42
Which two statements are true about MySQL Enterprise Authentication?
- A. MySQL Enterprise Authentication determines what operation the user can perform.
- B. MySQL Enterprise Edition automatically connects to Oracle Password Vault to verify user passwords..
- C. MySQL Enterprise Authentication makes it more difficult to set up security because you have different sets of security policies.
- D. MySQL Enterprise Authentication supports Linux Pluggable Authentication Modules (PAM).
- E. MySQL Enterprise Authentication supports Windows Active Directory.
Answer: D,E
NEW QUESTION # 43
What are the two main components required to set up persistent storage for MySQL on Kubernetes?
Response:
- A. PVC (Persistent Volume Claim) and PV (Persistent Volume)
- B. Secret and Deployment
- C. PVC (Persistent Volume Claim) and ConfigMap
- D. Pod and ReplicaSet
Answer: A
NEW QUESTION # 44
Which two statements are true about the creation or use of a Virtual Cloud Network (VCN)?
- A. You can connect directly to an instance over the internet, without a public IP address.
- B. You must have an IPSec VPN to connect to an Oracle Linux instance.
- C. Your instance does not have a public IP address, so you cannot connect with a public subnet.
- D. You must have an Internet gateway to connect to a public address on an Oracle Linux instance.
- E. You can connect directly to the VCN without a define subnet.
Answer: A,E
NEW QUESTION # 45
Which statement adds a column with the largest integer data type?
- A. ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;
- B. ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);
- C. ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);
- D. ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;
Answer: A
NEW QUESTION # 46
You want to create an encrypted table. So, you enter this command:
CREATE TABLE 'test_encryption2% (
'id' int(10) unsigned NOT NULL AUTO_INCREMENT,
'server_name' varchar(15) NOT NULL,
PRIMARY KEY ('id') ) ENGINE=MYISAM AUTO_INCREMENT=l DEFAULT CHARSET=latin1 ENCRYPTION = 'Y1; You receive the following error:
ERROR 1031 (HY000): Table storage engine for 'test_encryption2' doesn't have this option Which statement correctly explains the reason for this error?
- A. The term "server_name" is a reserved MySQL term. You cannot use it for the new table. This is what is causing the error.
- B. The test_encryption2 already exist. You are not using the correct option to recreate it and it is causing the error.
- C. The encryption feature only works with InnoDB tables. You are creating a MylSAM table, and it is causing the error.
- D. You cannot use the AUTO_INCREMENT option to create an encrypted table. This is what is causing the error.
Answer: C
NEW QUESTION # 47
What is true about MySQL Enterprise Transparent Data Encryption (TDE)?
- A. Encryption key is stored in a centralized key memory location
- B. Enables data-at-rest encryption by encrypting the physical files of the database.
- C. Tablespace keys are managed manually behind the scenes.
- D. Data is encrypted automatically, in real time, after it is written to storage.
Answer: B
NEW QUESTION # 48
You have a backup image file that is backed up using MySQL Enterprise Backup with the -compress option:
/home/mysq1/backup/full/mybackup/myimage. Img
You are required to perform a database restore to a new machine to provision the database. Which command can provision the new database in the datadir as /home/mysql/data/MEB?
- A.

- B.

- C.

- D.

- E.

Answer: E
NEW QUESTION # 49
You just installed MySQL by Using a Package Manager on Linux.
Where are the default InnoDB redo log files stored?
- A. /usr/redo
- B. /etc/my.cnf
- C. /var/lib/mysql
- D. /usr/bin/logs
- E. /usr/mysql
- F. /var/lib/mysql/innodb
Answer: A
NEW QUESTION # 50
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?
- A. Use MySQL Enterprise Backup with the - -compress option to compress the backup files and use - - compress-level to select the level of compression.
- B. Use mysqldump with - -incremental together with the - -compress option to back up incrementally based on previous full backup and compress the incremental backup files.
- C. Use MySQL Enterprise Backup with the - - incremental policy to back up incrementally based on previous full backup.
- D. Use mysqldump with the - -changesonly option.
- E. Use MySQL Enterprise Backup with the - -size=compress to compress the backup file.
Answer: A,D
NEW QUESTION # 51
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. Both the tables, t1 and t2, are 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. Only the t2 table is created.
Answer: A
NEW QUESTION # 52
Which four authentication protocols are allowed when using MySQL Enterprise Authentication?
- A. SECURID authentication and authorization identity
- B. authentication using SHA-256 password hashing
- C. Native Windows services
- D. authentication via Pluggable Authentication Modules (PAMs)
- E. connections through the local host via the UNIX socket file
- F. Simple Authentication and Security Layer
Answer: B,C,D,E
NEW QUESTION # 53
Which query will find rows in a table that have no counterpart in another table?
- A. SELECT *FROM table1 INNER JOIN table2 ON table1.id=table2.id WHERE table1.id=! table2.id;
- B. SELECT t1.name, t2.name2FROM employee t1 INNER JOIN info t2 WHERE t1.name=t2.name;
- C. SELECT left_tbl.*FROM left_tbl LEFT JOIN right_tbl ON left_tbl.id=right_tbl.idWHERE right_tbl.id IS NULL;
- D. SELECT t1.name, t2.name2FROM employee AS t1 INNER JOIN info AS t2 ON t1.name= t2.name2;
Answer: C
NEW QUESTION # 54
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 is not given and is blank. You must manually set the root password.
- B. The root password displayed on the screen via a [warning] message.
- C. As root, execute the show password command by using the SHA-256 password encryption plug-in.
- D. The root password inserted in the error log set by the --log-error=[file_name] variable
- E. The root_pw variable stored in the mysq1.install table.
Answer: C,E
NEW QUESTION # 55
Which three statements describe MySQL Enterprise Backup?
- A. MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
- B. MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.
- C. MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
- D. MySQL Enterprise Backup provides the point-in-time recovery functionality.
- E. MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
Answer: C,D,E
NEW QUESTION # 56
You have created your Compute instance using an Oracle-provided Oracle Linux image.
You want to log in to your OCI Compute instance using SSH. Which three items do you need for this process?
- A. User Password
- B. The opc user
- C. Public IP address
- D. SSH private key
- E. SSH public key
- F. The root user
Answer: B
NEW QUESTION # 57
You execute this statement:
SELECT NULL=NULL;
What is the result?
- A. NULL
- B. TRUE
- C. 0
- D. FALSE
- E. 1
Answer: A
NEW QUESTION # 58
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