Updated 1Z0-921 Dumps Questions Are Available [2025] For Passing Oracle Exam
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NEW QUESTION # 18
What is true about MySQL Enterprise Transparent Data Encryption (TDE)?
- A. Enables data-at-rest encryption by encrypting the physical files of the database.
- B. Data is encrypted automatically, in real time, after it is written to storage.
- C. Tablespace keys are managed manually behind the scenes.
- D. Encryption key is stored in a centralized key memory location
Answer: A
NEW QUESTION # 19
Which three are recommended configurations for installing and running MySQL InnoDB Cluster?
- A. use SSD,s for data and replication logs
- B. isolated machine resources
- C. Networks must be in separate regions.
- D. Use Network-attached storage (NAS) for the data files.
- E. Groups must be in even numbers; 2, 4, 6, 8.
- F. The number of machines per group must be 3, 5, 7 or 9.
- G. smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM
Answer: D,E,F
NEW QUESTION # 20
You get a maintenance-notification about your MySQL Enterprise Edition in Oracle Cloud Infrastructure (OCI) Compute instance. What is re the implication?
- A. There are no maintenance operations planned. You need to do them manually.
- B. You need to agree to the maintenance windows. If not, you are not affected by the outage.
- C. Depending on the planned outage, you may not be affected by it. You need to read the maintenance details in the support notice.
- D. You can expect an outage of your MySQL OCI instance during the planned time..
Answer: D
NEW QUESTION # 21
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: C
NEW QUESTION # 22
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 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. Configure the MySQL Router first and based on those settings, you access your MySQL CS instance.
- 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: A
NEW QUESTION # 23
Which query will find rows in a table that have no counterpart in another table?
- A. SELECT t1.name, t2.name2FROM employee AS t1 INNER JOIN info AS t2 ON t1.name= t2.name2;
- B. SELECT t1.name, t2.name2FROM employee t1 INNER JOIN info t2 WHERE t1.name=t2.name;
- C. SELECT *FROM table1 INNER JOIN table2 ON table1.id=table2.id WHERE table1.id=! table2.id;
- D. SELECT left_tbl.*FROM left_tbl LEFT JOIN right_tbl ON left_tbl.id=right_tbl.idWHERE right_tbl.id IS NULL;
Answer: D
NEW QUESTION # 24
Which statement will display the status of the partitioning plug-in?
- A. SELECT PLUGIN_NAME, PLUGIN_VERSION, PLUGIN_STATUS FROM INFOMRATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME= 'partition';
- B. USE SYS SCHEMA; SHOW PLUGINS STATUS;
- C. SHOW STATUS PLUGINS WHERE Name= 'PARTITIONING';
- D. SHOW PLUGINS WHERE Name= 'partition';
Answer: A
NEW QUESTION # 25
You are using the innoDB engine and the innodb_f ile_per_table option is set.
You delete a significant number of rows of a large table named inventory and issue the command optimize table inventory.
What will happen to the inventory table?
- A. The table storage space will be reduced.
- B. The table will be optimized and replicated.
- C. The table will be checked for errors and repaired.
- D. The table statistics will be stored.
Answer: B
NEW QUESTION # 26
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. MySQL Workbench and MySQL Enterprise Firewall
- C. SQL Enterprise Monitor and MySQL Enterprise Authentication
- D. MySQL Enterprise Monitor and MySQL Audit
Answer: C
NEW QUESTION # 27
Which MySQL Enterprise Edition plug-in replaces real values with substitutes?
- A. MySQL Enterprise Scalability
- B. MySQL Enterprise Transparent Data Encryption (TDE)
- C. MySQL Enterprise Audit
- D. MySQL Enterprise No-Login Authentication
- E. MySQL Enterprise Data Masking and De-identification
Answer: E
NEW QUESTION # 28
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 not created because there is an explicit ROLLBACK.
- B. Both the tables, t1 and t2, are created.
- C. Only the t2 table is created.
- D. Only the t1 table is created.
Answer: B
NEW QUESTION # 29
Which three options are valid reasons for using a primary key in a table?
- A. automatic storage of data in a sorted order
- B. preventing duplicate keys
- C. maintaining a history of row insertions or updates
- D. increasing performance when using select statements
- E. exporting data faster with mysqldump
- F. to make it easier to change the PRIMARY KEY value
Answer: B,D,E
NEW QUESTION # 30
Which of the following statements is true regarding MySQL user account privileges?
Response:
- A. The USAGE privilege allows a user to connect to the MySQL server but grants no other privileges.
- B. A user with the SUPER privilege can only read data from the database.
- C. The RELOAD privilege allows a user to delete data from a table.
- D. The GRANT option allows a user to revoke privileges from other users.
Answer: A
NEW QUESTION # 31
Which two are advantages of using Document Store in MySQL?
- A. MySQL provides a native data type to index PDF documents
- B. MySQL provides a NoSQL API to access the document store
- C. MySQL can store XML as a schema-less database
- D. MySQL provides a native data type to store JSON data as a document
- E. MySQL is a document database allowing PDF and Word documents
Answer: B,C
NEW QUESTION # 32
Which Oracle product is certified to work with MySQL Enterprise Edition?
- A. Oracle Enterprise Manager
- B. Oracle Enterprise Backup
- C. Oracle Application Express
- D. Oracle Data Pump
Answer: A
NEW QUESTION # 33
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To pass the Oracle 1Z0-921 certification exam, candidates must demonstrate their proficiency in various topics related to MySQL database implementation. These topics include MySQL server configuration, database design and creation, data types and structures, SQL query optimization, backup and recovery, security, and troubleshooting. 1Z0-921 exam consists of 70 multiple-choice questions that must be completed within 105 minutes.
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