[2024] Pass 1Z0-908 Exam - Real Questions and Answers
1Z0-908 Exam Questions Get Updated [2024] with Correct Answers
Oracle 1z1-908: MySQL 8.0 Database Administrator exam is an important certification for any database administrator working with MySQL. Passing 1Z0-908 exam demonstrates a high level of skill and knowledge, and opens up new opportunities for career advancement and professional growth.
NEW QUESTION # 74
Examine these statements and output:
Which statement is true?
- A. The user is authenticated as the anonymous proxy user ‘’@’%’.
- B. The user is authorized as the rsmith@localhostuser.
- C. The user is logged in with --user=accountingas an option.
- D. The user is authorized as the accounting@localhostuser.
- E. The user failed to define a username and the connecting username defaulted to ‘’@’%’.
Answer: B
NEW QUESTION # 75
You want to log only the changes made to the database objects and data on the MySQL system.
Which log will do this by default?
- A. audit log
- B. error log
- C. slow query log
- D. general query log
- E. binary log
Answer: E
NEW QUESTION # 76
Examine this command, which executes successfully on InnoDB Cluster: dba.dropMetadataSchema() Which two statements are true? (Choose two.)
- A. The command drops the mysql_innodb_cluster_metadata schema and re-creates it.
- B. Group Replication is still operational, but InnoDB Cluster must be reimported under MySQL Shell.
- C. The mysql_innodb_cluster_metadata schema is dropped from all reachable members of the cluster.
- D. Group Replication will be dissolved and all metadata purged.
- E. Connections driven by MySQL Router are not affected by the command.
- F. The mysql_innodb_cluster_metadata schema is dropped from the instance where the connection was established.
Answer: E,F
NEW QUESTION # 77
Which three are characteristics of a newly created role? (Choose three.)
- A. It can be protected with a password.
- B. It is created as a locked account.
- C. It is stored in the mysql.role table.
- D. It can be granted to user accounts.
- E. It can be dropped using the DROP ROLE statement.
- F. It can be renamed using the RENAME ROLE statement.
Answer: A,D,E
Explanation:
Explanation
https://dev.mysql.com/doc/refman/8.0/en/roles.html
https://www.mysqltutorial.org/mysql-roles/
NEW QUESTION # 78
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. Re-execute the failed statement in your transaction.
- C. Close the connection, reconnect, and start the transaction again.
- D. Roll back the transaction and start the transaction again in the same session.
Answer: B
NEW QUESTION # 79
Which statement is true about displaying and retrieving data with MySQL Enterprise Monitor Query Analyzer?
- A. It is possible to filter a Query Analyzer view graph by database and by table.
- B. It is possible to export statements included in a graph selection in CSV format.
- C. The Query Analyzer graph view range selector can extend to cover the same hour over multiple days.
- D. The Query Analyzer can plot a CPU utilization graph for remote hosts with a MySQL Enterprise Service Manager's built-in Agent installation.
Answer: B
NEW QUESTION # 80
You are upgrading a MySQL instance to the latest 8.0 version.
Examine this output:
You plan to add this parameter to the configuration: innodb_directories='/innodb_extras' Which statement is true?
- A. It moves all innodb tablespaces to the /innodb_extras directory to enable a new innodb_data_home_dir to be defined.
- B. It defines all innodb tablespace options relative to a starting parent directory.
- C. It adds more temporary workspace in addition to the innodb_tmpdir location.
- D. It is not necessary because innodb_data_home_dir is already defined.
- E. It allows scanning of other locations to discover more innodb tablespaces.
Answer: E
Explanation:
Explanation
https://dev.mysql.com/doc/refman/8.0/en/innodb-moving-data-files-offline.html
NEW QUESTION # 81
Which command enables rule-based MySQL Auditing capabilities?
- A. shell> mysqld --initialize --log-raw=audit.log
- B. mysql> INSTALL COMPONENT audit_log;
- C. mysql> INSTALL PLUGIN audit_log;
- D. shell> mysql < audit_log_filter_linux_install.sql
Answer: D
Explanation:
Explanation/Reference: https://dev.mysql.com/doc/mysql-security-excerpt/5.7/en/audit-log-filtering.html
NEW QUESTION # 82
Which two MySQL Server accounts are locked by default? (Choose two.)
- A. any user created with a username, but missing the host name
- B. any internal system accounts
- C. any user created without a password
- D. any user set as DEFINER for stored programs
- E. any new ROLE accounts
Answer: B,D
NEW QUESTION # 83
How can mysql_multi be configured to allow MySQL instances to use the same port number?
- A. The instances use different user accounts unique to each instance.
- B. The instances listen on different IP addresses.
- C. The instances have appropriate net masks set.
- D. The instances use different socket names.
Answer: B
NEW QUESTION # 84
Your MySQL environment has asynchronous position based-replication with one master and one slave.
The slave instance had a disk I/O problem, so it was stopped.
You determined that the slave relay log files were corrupted and unusable, but no other files are damaged.
You restart MySQL Server.
How can replication be restored?
- A. The slave relay logs should be deleted; then execute START SLAVE;
- B. The relay logs from the master should be used to replace the corrupted relay logs.
- C. The slave needs to be restored from backup.
- D. The slave relay logs should be deleted; execute CHANGE MASTER to adjust the replication relay log file name, then issue start SLAVE;
Answer: B
NEW QUESTION # 85
User account baduser@hostname on your MySQL instance has been compromised.
Which two commands stop any new connections using the compromised account? (Choose two.)
- A. ALTER USER baduser@hostname DEFAULT ROLE NONE;
- B. ALTER USER baduser@hostname IDENTIFIED WITH mysql_no_login;
- C. ALTER USER baduser@hostname ACCOUNT LOCK;
- D. ALTER USER baduser@hostname PASSWORD DISABLED;
- E. ALTER USER baduser@hostname MAX_USER_CONNECTIONS 0;
Answer: B,C
NEW QUESTION # 86
Which two are contained in the InnoDB system tablespace (ibdata1) by default? (Chose two.)
- A. table data
- B. change buffer
- C. doublewrite buffer
- D. InnoDB Data Dictionary
- E. primary indexes
- F. user privileges
Answer: C,D
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E17952_01/mysql-5.7-en/innodb-system-tablespace.html
NEW QUESTION # 87
Examine these commands and output:
Which connection ID is holding the metadata lock?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
- F. 5
Answer: A
NEW QUESTION # 88
You recently upgraded your MySQL installation to MySQL 8.0.
Examine this client error:
Which option will allow this client to connect to MySQL Server?
- A. ALTER USER user -
IDENTIFIED WITH caching_sha2_password
BY 'password'; - B. ALTER USER user -
IDENTIFIED WITH mysql_native_password
BY 'password'; - C. ALTER USER user -
IDENTIFIED WITH sha256_password -
BY 'password'; - D. [mysqld]
default_authentication_plugin=mysql_native_password - E. [mysqld]
default_authentication_plugin=sha256_password - F. [mysqld]
default_authentication_plugin=caching_sha2_password
Answer: C
NEW QUESTION # 89
A clean shutdown was performed with innodb_fast_shutdown=0.
While you were manipulating files, all files were accidentally deleted from the top-level data directory.
Which two files must be restored from backup to allow the DB to restart cleanly? (Choose two.)
- A. mysql.ibd
- B. undo_001
- C. ib_buffer_pool
- D. ib_logfile0
- E. ibtmp1
- F. ibdata1
Answer: A,C
NEW QUESTION # 90
There are five MySQL instances configured with a working group replication.
Examine the output of the group members:
Which two statements are true about network partitioning in the cluster? (Choose two.)
- A. There could be both a 2 node and 3 node group replication still running, so shutting down group replication and diagnosing the issue is recommended.
- B. The cluster has built-in high availability and updates group_replication_ip_whitelistto remove the unreachable nodes.
- C. The cluster will shut down to preserve data consistency.
- D. The group replication will buffer the transactions on the online nodes until the unreachable nodes return online.
- E. A manual intervention to force group members to be only the working two instances is required.
Answer: B,C
NEW QUESTION # 91
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