Most UptoDate Oracle 1Z0-908 Exam Dumps PDF 2022
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How to Prepare for Oracle 1Z0-908: MySQL 8.0 Database Exam
Preparation Guide for Oracle 1Z0-908: MySQL 8.0 Database Administrator Exam
Introduction
Oracle, based in California, is an American multinational Information Technology company. Oracle is an international company that develops software applications for business. To help enterprises develop their operations, Oracle provides a variety of cloud-based applications and systems as well as hardware and services. Data management, business analytics, IT operations management, enterprise resource planning, security, and emerging technologies are the focus of Oracle’s applications. Oracle is best known for its database software and technology. Oracle Database, a relational Database Management System (DBMS), is one of the most popular corporate database products.
Oracle also develops and builds tools and technologies for database management systems for middle-tier applications, Human Capital Management systems (HCM), Customer Relationship Management systems (CRM), Enterprise Resource Planning systems (ERP), and Supply Chain Management systems (SCM). Oracle Database commonly known as Oracle Database Management System (DBMS) is a multi-model database management system. It is a widely used database to run tasks for Data warehousing and Online Transaction processing databases. Different service providers make Oracle Database accessible on cloud, premises, or a hybrid cloud installation.
This exam guide gives a brief introduction to the topics of 1Z0-908 practice exams and 1Z0-908 dumps.
NEW QUESTION 10
Examine this command, which executes successfully:
$ mysqlrouter --bootstrap user@hostname:port --directory=directory_path Which activity is performed?
- A. MySQL Router configures all the cluster nodes based on the information retrieved from the InnoDB cluster metadata server.
- B. MySQL Router is restarted.
- C. MySQL Router configures itself based on the information retrieved from the InnoDB cluster metadata server.
- D. MySQL Router is configured based on the information in files in directory_path.
Answer: C
NEW QUESTION 11
You execute this command:
shell> mysqlpump --exclude-databases=% --users
Which statement is true?
- A. It returns an error because the mysqldumpcommand should have been used.
- B. It creates a logical backup of all metadata, but contains no table data.
- C. It creates a logical backup of all MySQL user accounts.
- D. It creates a logical backup of only the usersdatabase.
Answer: B
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E17952_01/mysql-5.7-en/mysqlpump.html
NEW QUESTION 12
Examine these statements, which execute successfully:
CREATE ROLE r_world_rd;
GRANT SELECT ON world.* TO r_world_rd;
CREATE USER john IDENTIFIED BY 'P@ssw0rd';
GRANT r_world_rd TO john;
Examine these statements issued by user John:
What is the reason for the error?
- A. John has not activated the role.
- B. John needs to reconnect to the database.
- C. The DBA needs to execute FLUSH PRIVILEGES.
- D. The statement was blocked by MySQL Firewall.
Answer: A
NEW QUESTION 13
You must run multiple instances of MySQL Server on a single host.
Which three methods are supported? (Choose three.)
- A. Use resource groups to lock different instances on separate CPUs.
- B. Run MySQL Server docker containers.
- C. Use systemdwith different settings for each instance.
- D. Start mysqldor mysqld_safeusing different option files for each instance.
- E. Run mysqldwith --datadirdefined for each instance.
- F. Use system tools to lock each instance to its own CPU.
Answer: C,D,E
Explanation:
Explanation/Reference:
NEW QUESTION 14
A user wants to connect without entering his or her username and password on the Linux command prompt.
Which three locations can be used to store the user's mysql credentials to satisfy this requirement? (Choose three.)
- A. DATADIR/mysqld-auto.cnf file
- B. $HOME/.mysqlrc file
- C. $HOME/.my.cnf file
- D. $MYSQL_HOME/my.cnf file
- E. /etc/my.cnf file
- F. $HOME/.mylogin.cnf file
- G. $HOME/.mysql/auth/login file
Answer: A,D,E
NEW QUESTION 15
Which two MySQL Server accounts are locked by default? (Choose two.)
- A. any new ROLE accounts
- B. any user set as DEFINER for stored programs
- C. any user created without a password
- D. any user created with a username, but missing the host name
- E. any internal system accounts
Answer: B,E
NEW QUESTION 16
Examine these entries from the general query log:
All UPDATE statements reference existing rows.
Which describes the outcome of the sequence of statements?
- A. Connection 24 experiences a lock wait timeout.
- B. Connection 25 experiences a lock wait timeout.
- C. A deadlock occurs after innodb_lock_wait_timeout seconds.
- D. A deadlock occurs immediately.
- E. All statements execute without error.
Answer: C
NEW QUESTION 17
Which two statements are true about using backups of the binary log? (Choose two.)
- A. Binary logs can always be used to unapply unwanted schema changes.
- B. Multiple binary logs can be applied in parallel for faster data restoration.
- C. Binary logs are relatively small, and therefore, excellent for long-term storage and disaster recovery.
- D. They allow for point-in-time recovery of the data.
- E. Multiple binary logs can be used to restore data.
Answer: A,D
NEW QUESTION 18
Which two commands will display indexes on the partstable in the manufacturing schema? (Choose two.) \
- A. SHOW INDEXES FROM manufacturing.parts;
- B. DESCRIBE manufacturing.parts;
- C. SELECT * FROM information_schema.COLUMN_STATISTICS;
- D. EXPLAIN SELECT INDEXES FROM manufacturing.parts;
- E. SELECT * FROM information_schema.statistics WHERE table_schema=’manufacturing’
AND TABLE_NAME=’parts’;
Answer: C,E
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E11882_01/server.112/e40540/indexiot.htm#CNCPT912
NEW QUESTION 19
A MySQL server is monitored using MySQL Enterprise Monitor's agentless installation.
Which three features are available with this installation method? (Choose three.)
- A. operating system memory utilization
- B. network-related information and network characteristics
- C. security-related advisor warnings
- D. MySQL Replication monitoring
- E. MySQL Query Analysis data
- F. CPU utilization
- G. disk usage and disk characteristics including disk advisors warnings
Answer: C,E,G
NEW QUESTION 20
The data in this instance is transient; no backup or replication will be required. It is currently under performing.
* The database size is static and including indexes is 19G.
* Total system memory is 32G.
After profiling the system, you highlight these MySQL status and global variables:
The OS metrics indicate that disk is a bottleneck.
Other variables retain their default values.
Which three changes will provide the most benefit to the instance? (Choose three.)
- A. innodb_doublewrite=0
- B. innodb_undo_directory=/dev/shm
- C. innodb_flush_log_at_trx_commit=1
- D. sync_binlog=0
- E. max_connections=10000
- F. buffer_pool_size=24G
- G. innodb_log_file_size=1G
Answer: C,E,G
Explanation:
Explanation/Reference: https://aws.amazon.com/blogs/database/best-practices-for-configuring-parameters-for-amazon- rds-for-mysql-part-1-parameters-related-to-performance/
NEW QUESTION 21
You encountered an insufficient privilege error in the middle of a long transaction.
The database administrator is informed and immediately grants the required privilege:
GRANT UPDATE ON world.city TO 'user1';
How can you proceed with your transaction with the least interruption?
- A. Change the default database and re-execute the failed statement in your transaction.
- B. Roll back the transaction and start the transaction again in the same session.
- C. Close the connection, reconnect, and start the transaction again.
- D. Re-execute the failed statement in your transaction.
Answer: D
NEW QUESTION 22
Examine this command, which executes successfull
mysqlbackup --defaults-file=/backups/server-my.cnf --backup-dir=/backups/full copy-back Which statement is true about the copy-back process?
- A. The copy-back process is used to overwrite a new backup over an existing backup.
- B. The copy-back process makes inconsistent backups.
- C. It restores files from the backup directory to their original MySQL server locations.
- D. It restores files from the data directory to their original MySQL server locations.
Answer: A,C
NEW QUESTION 23
Examine this command, which executes successfully:
mysqlpump -–user=root --password > full_backup.sql
Which two databases will be excluded from this dump? (Choose two.)
- A. world
- B. sys
- C. mysql
- D. information_schema
- E. employee
Answer: B,D
Explanation:
Explanation/Reference: https://mysqlserverteam.com/introducing-mysqlpump/
NEW QUESTION 24
Binary log events for the 'mydb1' schema must be copied to a different schema name 'mydb2'.
Which command will do this?
- A. mysqlbinlog --rewrite-db='mydb1' --rewrite-db='mydb2' | mysql
- B. mysqlbinlog --read-from-remote-server --raw | sed 's/mydb1/mydb2/g' | mysql
- C. mysqlbinlog --datebase=mydb1 --database=mydb2 | mysql
- D. mysqlbinlog --rewrite-db='mydb1->mydb2' | mysql
Answer: B
NEW QUESTION 25
You have a MySQL system with 500 GB of data that needs frequent backups.
You use a mix of MyISAM and InnoDB storage engines for your data.
Examine your backup requirement:
* The MySQL system being backed up can never be unavailable or locked to the client applications.
* The recovery from the backup must work on any system.
* Only 1 hour of data can be lost on recovery of the backup.
Which option fulfills all backup requirements?
- A. Use the Clone Plugin to copy the data to another MySQL system.
- B. Take your backup from a slave of the MySQL system.
- C. Take a physical backup of the MySQL system.
- D. Take a logical backup of the MySQL system.
Answer: D
NEW QUESTION 26
You are backing up raw InnoDB files by using mysqlbackup.
Which two groups of files will be backed up during a full backup? (Choose two.)
- A. *.sdifiles
- B. ib_logfile*files
- C. *.CSMfiles
- D. *.ibdfiles
- E. ibbackupfiles
Answer: B,D
Explanation:
Explanation/Reference:
Reference: https://dev.mysql.com/doc/mysql-backup-excerpt/5.7/en/innodb-backup.html
NEW QUESTION 27
You reconfigure and start a slave that was not replicating for several days.
The configuration file and CHANGE MASTER command are correct. Examine the GTID information from both master and slave:
Which statement is true?
- A. Replication will fail because the master does not have the required transaction with bbbbbbbb-bbbb- bbbb-bbbb-bbbbbbbbbbbb GTIDs in its binary logs.
- B. Replication will work.
- C. Replication will fail because the master has already purged transactions with cccccccc-cccc-cccc- cccc-cccccccccccc GTIDs.
- D. Replication will fail because the slave has purged more aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa transactions than the master.
- E. Replication will fail because of inconsistent numbers in cccccccc-cccc-cccc-cccc-cccccccccccc GTIDs.
Answer: D
NEW QUESTION 28
Examine these statements and output:
Which statement is true?
- A. The user is authorized as the rsmith@localhostuser.
- B. The user is authenticated as the anonymous proxy user ‘’@’%’.
- C. The user is authorized as the accounting@localhostuser.
- D. The user is logged in with --user=accountingas an option.
- E. The user failed to define a username and the connecting username defaulted to ‘’@’%’.
Answer: A
NEW QUESTION 29
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How to book the Oracle 1Z0-908: MySQL 8.0 Database Exam
If you are looking to appear in the Oracle 1Z0-908: MySQL 8.0 Database Exam, you can do so by either redeeming a voucher that you must buy from Oracle or paying directly with a credit card. After payment, you can schedule the test via Oracle’s external testing provider, PearsonVue.
Oracle 1Z0-908: MySQL 8.0 Database Administrator Certification Path
The Oracle Certified Expert, Oracle 1Z0-908: MySQL 8.0 Database Administrator certification is for Database Development Systems Managers and Database Administrators with at least 1 year of RAC and Grid Infrastructure experience. It is also recommended to understand high availability concepts and clustering. To earn this certificate, you should have the ability to install, manage, monitor, and recover RAC databases, Clusterware, and ASM environments. You will get a complete understanding of the architecture of the Clusterware, ASM, and RAC databases while preparing for the exam with the help of 1Z0-908 practice test. After earning this certification, you will gain the skills of installing, setup, backup and recovery, tuning, and monitoring of these components.
The candidates should have to complete one of the following Certification or Training:
Oracle Certified Expert, Oracle Real Application Clusters 11g and Grid Infrastructure Administrator
Oracle Database 12c Certified Professional
Oracle Database 11g Certified Professional
1Z0-908 practice exams are great sources for the preparation of the exam but they do not meet the requirement of the training. To meet the requirement of the training course must be offered by Oracle University Training Center, Oracle Authorized Education Center, Oracle Authorized Partner, or Oracle Workforce Development Program. Courses can be a live virtual class, training on demand, learning subscription, or instructor-led in-class.
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