Online Access Free Oracle.1Z1-888.v2022-02-09.q146 Practice Test (Page 15)

Assuming that a user has correct privileges, which Linux console command will fail to shut down a MySQL server?

A.service mysqld stop

B.mysql -e 'shutdown'

C.mysqld -e 'shutdown'

D.mysqladmin shutdown

Which three options are most likely to be changed for production form their default values?

A.max_user_connections

B.max_connections

C.port

D.innodb_log_file_size

E.join_buffer_size

F.character_set_system

G.innodb_buffer_pool_size

While attempting to set up a new replication slave on host `192.168.0.25' with the user `replication', you encounter this error:

What should you do to resolve this error?

A.Add the user [email protected] with the correct password to the slave.

B.Edit the my.ini file on the slave so that the master-host variable is equal to the IP address of the master, and restart the slave.

C.Add the user [email protected] with the correct password to the master.

D.Edit the DNS table on the master to include the domain name for the IP address of 192.168.0.25.

You will configure a MySQL Server to act as a replication master. Which two options must be configured correctly to allow this?

A.log-master-updates

B.rpl-recovery-rank

C.server-id

D.enable-master-start

E.log_bin

F.master-logging

The MySQL error log shows:
InnoDB: Warning: a long semaphore wait:
The relevant parts of the InnoDB monitor output shows:

Which two options would help avoid the long wait in the future?

A.Increase the size of the InnoDB buffer pool.

B.Increase the value of the innodb_read_io_threads option.

C.Deactivate the query cache.

D.Increase the value of the innodb_lock_wait_timeout option.

E.Set the value of innodb_adaptive_hash_index to zero.

F.Change the table to use HASH indexes instead of BTREE indexes.

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