This page was exported from Testking Free Dumps [ http://blog.testkingfree.com ] Export date:Fri Jan 17 5:58:02 2025 / +0000 GMT ___________________________________________________ Title: 100% Pass Top-selling 1Z1-888 Exams - New 2022 Oracle Pratice Exam [Q86-Q107] --------------------------------------------------- 100% Pass Top-selling 1Z1-888 Exams - New 2022 Oracle Pratice Exam MySQL Database Administration Dumps 1Z1-888 Exam for Full Questions - Exam Study Guide NEW QUESTION 86Which storage option for MySQL data directory typically offers the worst performance in a highly concurrent, OLTP-heavy, IO-bound workload?  battery-backed locally-attached RAID 5 array  iSCSI Lun  SAN (Fibre Channel) Lun  NFS (Networked File System) mount NEW QUESTION 87You have forgotten the root user account password. You decide to reset the password and execute:Which additional argument makes this operation safer?  -old-passwords, to start MySQL to use the old password format while running without the grant tables.  -reset-grant-tables, to start the server with only the mysql database accessible.  -read-only, to set all data to read-only except for super users  -skip-networking, to prohibit access from remote locations NEW QUESTION 88You have the following in your my.cnf configuration file:[mysqld]default_authentication_plugin=sha256_passwordYou want to create a new user who will be connecting from the IP address 192.0.2.10, and you want to use the authentication plug-in that implements SHA-256 hashing for user account passwords. Which two statements would create a user named webdesign for this IP address with the password of imbatman using a SHA_256 password hash?  CREATE USER `webdesign’@’192.0.2.10′ IDENTIFIED AS sha256_user WITH sha256_password`imbatman’;  CREATE USER `webdesign’@’192.0.2.10′ IDENTIFIED BY `iambatman’;  CREATE USER `webdesign’@’192.0.2.10′ IDENTIFIED WITH sha256_password BY `imbatman’;  CREATE USER WITH sha256_password `sha256_user’@’192.0.2.10′ IDENTIFIED AS `webdesign’ USING `imbatman’;  CREATE USER `webdesign’@’192.0.2.10′ WITH mysql_native_password USING SHA265 BY`imbatman’;  CREATE USER `webdesign’@’192.0.2.10′ IDENTIFIED BY SHA265 AS `imbatman’; Reference:https://dev.mysql.com/doc/refman/8.0/en/sha256-pluggable-authentication.htmlNEW QUESTION 89Which two methods accurately monitor the size of your total database size over time?  monitoring the Innodb_rows_inserted status variable  monitoring the innodb_redo_log_size variable  monitoring the information_schemA.TABLES table  monitoring datadir size in the operating system  monitoring cumulative Innodb_page_size increase  monitoring the performance_schema_hosts_size variable NEW QUESTION 90You have a scheduled task on Linux that executes mysqldumpagainst the localhost server periodically.When checking the logs of this event to ensure that things are working and that backups will restore, you notice an output that is concerning.The command the scheduled task is executing as follows:$ mysqldump -u backupuser -h 127.0.0.1 -pt100043va living –protocol=TCP> /backups/latest.sqlWarning: Using a password on the command-line interface can be insecure.Which two methods are available to avoid the warning? (Choose two.)  Use mysql_config_editor, which allows you to store encrypted login credentials in your home directory.  Use the password validation plugin available to improve user name and password strength.  Store your password in an option file eg: ~/.my.cnf and use –defaults-file so that it is read and used.[client]password=t100043va  Connect through the –socket rather than the default –protocol=TCP for local connection.$ mysqldump -u backupuser -h 127.0.0.1 -pt100043va living –socket=/tmp/mysql.sock > /backups/ latest.sql https://dev.mysql.com/doc/mysql-security-excerpt/8.0/en/password-security-user.htmlhttps://dev.mysql.com/doc/refman/5.6/en/validate-password.htmlNEW QUESTION 91You are using the mysqldumpslow utility to view the contents of the slow query log.You notice the letter N and the character string `S’ in a number of locations in the output.What does the N indicate?  the number of times the statement was executed  an abbreviation for NULL in a statement  the name of the user issuing the statement  an abstracted substitution for numbers indicated in WHERE clauses https://dev.mysql.com/doc/refman/5.7/en/mysqldumpslow.htmlNEW QUESTION 92Consider the key buffer in a MySQL server. Which two statements are true about this feature?  It caches index blocks for MyISAM tables only.  It caches index blocks for all storage engine tables.  It is a global buffer.  It is set on a per-connection basis.  It caches index blocks for InnoDB tables only. NEW QUESTION 93When you examine a new MySQL installation with default configuration, you find a file called ibdata1 in the database directory. Which two statements are true about this file?  it contains the binary log.  it contains a general tablespace.  it is the default location for all new tables that you create.  it contains the system tablespace.  it contains the redo log.  it contains the undo log. Reference: https://dev.mysql.com/doc/refman/5.7/en/innodb-init-startup-configuration.htmlNEW QUESTION 94The following grants were executed:GRANT CREATE ROUTING ON sales.* TO `webadmin’@’%’;GRANT ALTER ON PROCEDURE sales.myproc TO `webadmin’@’%’;A user successfully connects to the database as webadmin and created a stored procedure named get_reports. The next day, the user logs in again as webadmin and wants to delete the stored procedure named get_reports, and therefore, issues the following statement:USE sales;DROP PROCEDURE IF EXISTS get_reports;What is the result of executing the statement?  The user will get an error because he or she did not use the ALTER statement to drop the stored procedure.  The user will get an error because he or she did not put the database name in front of the stored procedure name.  The stored procedure named get_reports will be dropped.  The user will get an error because he or she does not have the permission to drop stored procedures. NEW QUESTION 95How does the InnoDB storage engine handle deadlocks when they are detected?  Both the affected transactions will be rolled back.  The affected transactions wait for innodb_lock_wait_timeout seconds, and then roll back.  One of the affected transactions will be rolled back, the other is allowed to proceed.  The transaction isolation level determines which transaction is rolled back.  The innodb_locks_unsafe_for_binlog setting determines which transaction is rolled back. Reference: https://dev.mysql.com/doc/refman/8.0/en/innodb-deadlocks.htmlNEW QUESTION 96You want to create a temporary table named OLD_INVENTORY in the OLD_INVENTORY database on the master server. This table is not to be replicated to the slave server. Which two changes would ensure that the temporary table does not propagate to the slave?  Set binlog_format=MIXED with the –replicate-ignore-temp-table option.  Use the –replicate-do-db, –replicate-do-table, or –replicate-wild-do-table option with the value equal to OLD_INVENTORY.  Change the binlog_format option to ROW and restart mysqld before you create the OLD_INVENTORY table.  Stop SQL_THREAD on the slave until you have finished using the OLD_INVENTORY temporary table.  Use the –replicate-ignore-table option with the value equal to OLD_INVENTORY.OLD_INVENTORY and restart mysqld before creating the temporary table. NEW QUESTION 97The following grants were executed:GRANT CREATE ROUTING ON sales.* TO ‘webadmin’@’%’;GRANT ALTER ON PROCEDURE sales.myproc TO ‘webadmin’@’%’;A user successfully connects to the database as webadminand created a stored procedure named get_reports.The next day, the user logs in again as webadminand wants to delete the stored procedure named get_reports,and therefore, issues the following statement:USE sales;DROP PROCEDURE IF EXISTS get_reports;What is the result of executing the statement?  The user will get an error because he or she did not use the ALTERstatement to drop the stored procedure.  The user will get an error because he or she did not put the database name in front of the stored procedure name.  The stored procedure named get_reportswill be dropped.  The user will get an error because he or she does not have the permission to drop stored procedures. NEW QUESTION 98What is the best method for monitoring Group Replication conflict resolution?  the PERFORMANCE_SCHEMAtables  the SHOW PROCESSLISTcommand  the INNODBLock Monitor details  the SHOW STATUScommand  the INFORMATION_SCHEMAtables Explanation/Reference:Reference: https://dev.mysql.com/doc/refman/8.0/en/group-replication-monitoring.htmlNEW QUESTION 99Where does MySQL Linux RPM install the mysqld binary?  /usr/libexec/  /usr/local/mysql/bin/  /usr/sbin/  /usr/bin/  /opt/mysql/server/bin/ https://dev.mysql.com/doc/refman/8.0/en/linux-installation-rpm.htmlNEW QUESTION 100What is the order of tables shown in an EXPLAINoutput?  It lists tables from the smallest to the largest.  It lists tables in the order in which their data will be read.  It lists tables from the most optimized to the least optimized.  It lists tables in the order in which they are specified in the statement that is being explained. Explanation/Reference: https://dev.mysql.com/doc/refman/8.0/en/explain-output.htmlNEW QUESTION 101Examine the mysqldumpslow output:Which two options could explain the slow query? (Choose two.)  There is network congestion between client and server.  No index has been defined on the filtered column.  There are 108 queries still being executed.  A table lock is causing delays.  A full table scan is being used. NEW QUESTION 102Where does MySQL Linux RPM install the mysqldbinary?  /usr/libexec/  /usr/local/mysql/bin/  /usr/sbin/  /usr/bin/  /opt/mysql/server/bin/ Explanation/Reference: https://dev.mysql.com/doc/refman/8.0/en/linux-installation-rpm.htmlNEW QUESTION 103MySQL is installed on a Linux server and has this configuration:[mysqld]user=mysqldatadir=/data/mysql/As the ‘root’ user, you change the datadir location by executing:shell> cp -R /var/lib/mysql /data/mysql/shell> chown -R mysql /data/mysqlWhat is the purpose of changing ownership of datadirto the ‘mysql’ user?  MySQL needs to be run as the root user, but files cannot be owned by it.  The mysqld process requires all permissions within datadir to be the same.  MySQL cannot be run as the root user.  MySQL requires correct file ownership while remaining secure. NEW QUESTION 104What does the Performance Schema provide?  insight into the internal working of MySQL  recommendations for schema changes  a text-based version of MySQL Enterprise Monitor  auto-tuning based on settings and ongoing workload https://dev.mysql.com/doc/refman/8.0/en/performance-schema.htmlNEW QUESTION 105Due to an authentication plug-in that is used on the server, passwords are required to be sent as clear text as opposed to the usual encrypted format.Which two methods would allow the mysql client to connect to the server and send clear text passwords? (Choose two.)  mysql –protocol=PLAIN -uroot -p -h dbhost.example.com  INSTALL PLUGIN mysql_cleartext_password SONAME ‘mysql_cleartext_password.so’;  export LIBMYSQL_ENABLE_CLEARTEXT_PLUGIN=’Y’  SET GLOBAL mysql_cleartext_passwords=1;  mysql –enable-cleartext-plugin -uroot -p -h dbhost.example.com NEW QUESTION 106What is the order of tables shown in an EXPLAIN output?  It lists tables from the smallest to the largest.  It lists tables in the order in which their data will be read.  It lists tables from the most optimized to the least optimized.  It lists tables in the order in which they are specified in the statement that is being explained. Reference:https://dev.mysql.com/doc/refman/8.0/en/explain-output.htmlNEW QUESTION 107You have installed MySQL Server for the first time on your system. However, the data directory along with the tables in the mysql system database are missing. Which step do you perform to create the contents of the data directory?  Run the create_system_tables.sql file  Run the mysql_unpack.sql file  Invoke mysqld with the –initialize option.  Invoke mysql with the –initialize option. Reference: https://dev.mysql.com/doc/refman/5.7/en/data-directory-initialization- mysqld.html Loading … Brief Details Following are the quick details related to the Oracle 1z0-888 Certification Exam Exam Mode: Online Proctored Exam. Candidates can take the examination from any place at any time as per their convenience. Candidates also have the option to give exams at any of the authorized training centers. Candidates can select the exam mode based on their convenience at the time of registration.Exam Name: MySQL 5.7 Database AdministratorNumber of Questions: 75 QuestionsExam Registration: Candidates willing to appear for the exam have to purchase the exam voucher. Post purchasing the voucher, the candidate can register for the examination on Oracle Education PortalDuration: 120 minutesExam Price: $245 (USD) Price may vary for a country based on the localized currency ratesExam Voucher: Candidates can purchase the exam vouchers on Oracle Education Portal. Voucher is valid for 6 months from the date of issue and is like a gift voucher which will get forfeited if not used within 6 months.   Authentic Best resources for 1Z1-888 Online Practice Exam: https://www.testkingfree.com/Oracle/1Z1-888-practice-exam-dumps.html --------------------------------------------------- Images: https://blog.testkingfree.com/wp-content/plugins/watu/loading.gif https://blog.testkingfree.com/wp-content/plugins/watu/loading.gif --------------------------------------------------- --------------------------------------------------- Post date: 2022-06-18 04:39:55 Post date GMT: 2022-06-18 04:39:55 Post modified date: 2022-06-18 04:39:55 Post modified date GMT: 2022-06-18 04:39:55