On a master server that is using statement-based replication, a table of log data has become very large.
You decide to delete 100.000 rows.
Which two methods can be independently invoked to ensure that the delete is properly propagated to the slave? (Choose two.)

You have a server that has very limited memory but has a very large table.
You will use mysqldump to back up this table.
Which option will ensure mysqldump will process a row at a time instead of buffering a set of rows?

You want to immediately stop access to a database server for remote user
'mike'@'client.example.com'. This user is currently not connected to the server.
Which two actions can you take to stop any access from the user? (Choose two.)

After rebooting the host, you attempt to start the mysqld service. You get the following error:
Can't start the server: Bind on TCP/IP port: Address already in use
What is the most likely cause of this error?

Which statement best describes the purpose of the InnoDB buffer pool?