Free Access Oracle.1z1-908.v2022-04-11.q40 Practice Test (Page 2)

Question 1

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->mydb2’ | mysql

B.mysqlbinlog --rewrite-db=’mydb1’ --rewrite-db=’mydb2’ | mysql

C.mysqlbinlog --datebase=mydb1 --database=mydb2 | mysql

D.mysqlbinlog --read-from-remote-server --raw | sed ‘s/mydb1/mydb2/g’ | mysql

Question 2

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 dat
a. 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.Take a logical backup of the MySQL system.

B.Use the Clone Plugin to copy the data to another MySQL system.

C.Take your backup from a slave of the MySQL system.

D.Take a physical backup of the MySQL system.

Question 3

Which two statements are true about InnoDB data-at-rest encryption? (Choose two.)

A.It does not support the transportable tablespaces feature.

B.It decrypts data for use in memory.

C.It supports all indexes transparently.

D.It supports only non-blob datatypes.

E.It enforces encryption from disk to memory and over network transmission.

Question 4

You are using mysqlcheck for server maintenance.
Which two statements are true? (Choose two.)

A.The mysqlcheck command can be renamed mysqlrepair so that it repairs tables by default.

B.The mysqlcheck --optimize --all-databases command reclaims free space from table files.

C.The mysqlcheck --analyze --all-databases command performs a series of checks to spot eventual table corruptions.
Section: (none)
Explanation

D.The mysqlcheck --check --all-databases command takes table write locks while performing a series of checks.

E.The mysqlcheck --repair --all-databases command can repair an InnoDB corrupted table.

Question 5

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_extrasdirectory to enable a new innodb_data_home_dirto be defined.

B.It allows scanning of other locations to discover more innodb tablespaces.

C.It adds more temporary workspace in addition to the innodb_tmpdirlocation.

D.It is not necessary because innodb_data_home_diris already defined.

E.It defines all innodb tablespace options relative to a starting parent directory.

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