Actual4Cert 1Z1-921 Dumps PDF - 100% Passing Guarantee
1Z1-921 Braindumps Real Exam Updated on Apr 17, 2025 with 78 Questions
Oracle 1Z0-921 exam consists of 60 multiple-choice questions that must be answered within 105 minutes. 1Z1-921 exam is available in multiple languages and can be taken at authorized testing centers or online. The passing score for the exam is 64% and individuals who pass the exam will be awarded the Oracle Certified Specialist credential, which demonstrates their expertise in MySQL implementation.
Oracle 1Z0-921 (MySQL 2021 Implementation Essentials) Certification Exam is designed for professionals who are seeking to validate their expertise in implementing and managing MySQL databases. MySQL 2021 Implementation Essentials certification is recognized worldwide and demonstrates that an individual has the knowledge and skills required to design, install, and maintain MySQL databases. 1Z1-921 exam covers a wide range of topics, including MySQL architecture, installation and configuration, security, backup and recovery, performance tuning, and high availability solutions.
NEW QUESTION # 37
When should you perform a backup in a MySQL database?
Response:
- A. Only when the database size exceeds a certain limit.
- B. After every successful query execution.
- C. After critical data updates or before making significant changes to the database.
- D. Only during scheduled maintenance windows.
Answer: C
NEW QUESTION # 38
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 root user
- C. Public IP address
- D. SSH private key
- E. The opc user
- F. SSH public key
Answer: E
NEW QUESTION # 39
Which three statements describe MySQL Enterprise Backup?
- A. MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.
- B. MySQL Enterprise Backup provides the point-in-time recovery functionality.
- C. MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
- D. MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
- E. MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
Answer: B,D,E
NEW QUESTION # 40
Which two methods help prevent MySQL security risks?
- A. Ensure that MySQL accounts have short and easy passwords.
- B. Use a firewall to control access to MySQL ports.
- C. Transmit plain (unencrypted) data over networks.
- D. Allow unauthorized clients to connect to the server.
- E. Use the secure installation script "mysql_alays_secure_installation".
- F. Grant only permissions that a user requires.
Answer: C,D
NEW QUESTION # 41
An Oracle Cloud Infrastructure customer already has many database instances configured and running in the cloud; however, they are reporting that they are unable to create any more instances.
What could be the problem?
- A. The customer has not kept up with their patching requirements; new instances cannot be created unless the majority or the template of existing instances are up-to-date.
- B. The customer account might have reached resource quota/limits.
- C. The customer reached the database instance limit of 32.
- D. The customer does not have proper user rights.
Answer: C
NEW QUESTION # 42
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_pw variable stored in the mysq1.install table.
- C. The root password is not given and is blank. You must manually set the root password.
- D. The root password inserted in the error log set by the --log-error=[file_name] variable
- E. As root, execute the show password command by using the SHA-256 password encryption plug-in.
Answer: B,E
NEW QUESTION # 43
What three are ways to export and import data in MySQL Workbench?
- A. Backup Data Export and Import Wizard
- B. Data Modeling Import Export Wizard
- C. Binary Data Export and Import Wizard
- D. SQL Data Export and Import Wizard
- E. Result Data Export and Import
- F. Table Data Export and Import Wizard
Answer: D,E,F
NEW QUESTION # 44
You want to create the user named jenny for any host server with the password secretpassi23! and the password is expired? Which command should you use?
- A. CREATE USER ,jenny,@,localhost, IDENTIFIED BY (,SecretPass123!,,,256,, Expired)
- B. CREATE USER ,jenny,0,%t IDENTIFIED BY ,SecretPass123!, PASSWORD EXPIRE;
- C. CREATE USER ,jenny *@,localhost, IDENTIFIED WITH HASH PASSWORD(,SecretPass123!,)
- D. CREATE USER ,jenny,@,%, IDENTIFIED WITH sha256_password BY 'SecretPass123!,;
- E. CREATE USER ,jenny,@'%, WITH HASHED(password,,SecretPass123!,), PASSWORD EXPIRE
Answer: A
NEW QUESTION # 45
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. dictionary substitution
- C. random data substitution
- D. misspelling
- E. whitelisting and substitution
Answer: A,B,C
NEW QUESTION # 46
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. plugin-load=audit_log.so
- C. LOAD PLUGIN=AUDIT_LOG
- D. audit_log_permanent=ON
- E. plugin-audit=ON, ALWAYS
Answer: A,D
NEW QUESTION # 47
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. The path specified must be an array position past the end of an array using the JSON_POSITION statement.
- C. Any new lines can only be inserted at the end of the document.
- D. You cannot insert a single line, you have to replace the entire document with a new document.
Answer: A
NEW QUESTION # 48
Which two statements about the download of MySQL Enterprise Backup are correct?
- A. MySQL Enterprise Backup is a separate package from MySQL Enterprise Edition. It can be downloaded from https://edelivery.oracle.com.
- B. MySQL Enterprise Backup can be downloaded from My Oracle Support (MOS).
- C. MySQL Enterprise Backup comes with MySQL Utilities Package, which is available for download publicly on http://www.mysql.com.
- D. MySQL Enterprise Backup comes with all MySQL editions including community edition.
- E. MySQL Enterprise Backup comes with MySQL Connector and is freely available for download.
Answer: A,D
NEW QUESTION # 49
The user 'fwuser'@'localhost% was registered with the MySQL Enterprise Firewall and was granted privileges for the SAKILA database. You executed the commands:
You want to clear the account whitelist for the * fwuser" @* localhost* user. Which statement should you run to accomplish this?
- A.
- B.
- C.
Answer: C
NEW QUESTION # 50
Which Oracle product is certified to work with MySQL Enterprise Edition?
- A. Oracle Enterprise Backup
- B. Oracle Data Pump
- C. Oracle Application Express
- D. Oracle Enterprise Manager
Answer: D
NEW QUESTION # 51
Which four authentication protocols are allowed when using MySQL Enterprise Authentication?
- A. Native Windows services
- B. connections through the local host via the UNIX socket file
- C. authentication via Pluggable Authentication Modules (PAMs)
- D. authentication using SHA-256 password hashing
- E. Simple Authentication and Security Layer
- F. SECURID authentication and authorization identity
Answer: A,B,C,D
NEW QUESTION # 52
What is true about MySQL Enterprise Transparent Data Encryption (TDE)?
- A. Data is encrypted automatically, in real time, after it is written to storage.
- B. Tablespace keys are managed manually behind the scenes.
- C. Enables data-at-rest encryption by encrypting the physical files of the database.
- D. Encryption key is stored in a centralized key memory location
Answer: C
NEW QUESTION # 53
Assume that MySQL Enterprise Monitor is configured to monitor MySQL 8.0.10 or a later instance. Which three features are available?
- A. starting and stopping the MySQL instance
- B. monitoring the availability of the MySQL Instance
- C. tracing import and export with mysqldump
- D. deploying MySQL agent on supported target operating system
- E. analyzing executed MySQL queries
- F. creating e-mail alerts and SNMP traps for MySQL warnings
Answer: C,D,F
NEW QUESTION # 54
Which three are characteristics of the JSON data type?
- A. A set of SQL functions substantially support the SQL utilization of the data type.
- B. It supports indexing directly against the JSON-defined column.
- C. It is based on the TEXT data type.
- D. It validates the JSON syntax on insert or merge.
- E. Comparisons of JSON values are not case-sensitive.
- F. Key or array references enable quick read-access to look up document elements directly.
Answer: B,D,F
NEW QUESTION # 55
Which statement is used to create a new MySQL database?
Response:
- A. NEW DATABASE
- B. CREATE TABLE
- C. CREATE DATABASE
- D. CREATE SCHEMA
Answer: C
NEW QUESTION # 56
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. Flash-archive recovery area
- B. Both Cloud storage and local storage
- C. Cloud tape library
- D. Cloud storage only
Answer: B,D
NEW QUESTION # 57
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. Specific data access: the rights to view specific types of potentially sensitive data
- C. Asset visibility: the rights to access data collected from hosts or MySQL instances
- D. MySQL Enterprise Operations: the right to deploy the necessary MySQL Enterprise Agent
- E. MySQL Enterprise Operations: the right to start/stop/restart/update MySQL Enterprise Monitor Services
Answer: A,B,C
NEW QUESTION # 58
Which features of MySQL Enterprise Edition should you use to proactively monitor and track data changes in your databases?
- A. SQL Enterprise Monitor and MySQL Enterprise Authentication
- B. MySQL Workbench and MySQL Enterprise Firewall
- C. MySQL Enterprise Monitor and MySQL Audit
- D. MySQL Audit and MySQL Workbench
Answer: A
NEW QUESTION # 59
What are the two main components required to set up persistent storage for MySQL on Kubernetes?
Response:
- A. PVC (Persistent Volume Claim) and ConfigMap
- B. Secret and Deployment
- C. PVC (Persistent Volume Claim) and PV (Persistent Volume)
- D. Pod and ReplicaSet
Answer: C
NEW QUESTION # 60
What are Security Lists in Oracle Cloud Infrastructure?
- A. Security lists are data encryption levels that control who can see the data.
- B. They are essentially firewall rules that help control traffic between OCI instances.
- C. They allow administrators access to applications in the cloud and external servers.
- D. They contain rules established by HIPAA for securing end-user data.
- E. They are user-role designations that assign rights to certain internal users and external users.
Answer: B
NEW QUESTION # 61
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Oracle 1Z0-921: MySQL 2021 Implementation Essentials exam requires a solid understanding of MySQL and its features. Candidates who prepare for the exam through training, hands-on practice, and reading materials are more likely to pass the exam on the first attempt. Candidates can prepare for the exam by taking online training courses, attending classroom training, reading books, and practicing with sample questions.
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