You inherited a busy InnoDB OLTP Instance with 100 schemas and 100 active users per schema.
* Total dataset size is 200G with an average schema size of 2G.
* The data is transient and is not backed up and can be repopulated easily.
* Performance and responsiveness of the DB is paramount.
* The query pattern for the DB instance is split 90/10 read/write.
* DB host is dedicated server with 256G RAM and 64 cores.
One of your colleagues made some recent changes to the system and users are now complaining of performance impacts.
Which four configuration file edits might your colleague have performed to cause the negative DB performance? (Choose four.)

A MySQL database uses all InnoDB tables and is configured as follows;

You will be setting up a replication slave by using mysqldump. You will need a consistent backup taken from your running production server. The process should have minimal impact to active database connections.
Which two arguments will you pass to mysqldump to achieve this?

Which MySQL utility copies the master instance to a slave instance on the same host?

Why should you be selective when granting the PROCESS privilege to an account?

A general purpose MySQL instance is configured with the following options:
--slow-query-log
--long-query-time=.0001
--log-queries-not-using-indexes
--log-slow-admin-queries
--general-log
--log-bin
--binlog-format=STATEMENT
--innodb-flush-log-at-trx-commit=1
Which three statements are true for most workloads? (Choose three.)