What two statements are true regarding FLUSH TABLES FOR EXPORT?

You have just executed a manual backup by using this command:
mysqlbackup -u root -p --socket=/tmp/my.sock --backup-dir=/my/backup/ backup The operation completed without error.
What is the state of this backup and operation required before it is ready to be restored?

Examine the mysqldumpslow output:

Which two options could explain the slow query?

How does the InnoDB storage engine handle deadlocks when they are detected?

An existing master-slave setup is currently using a delayed replication of one hour. The master has crashed and the slave must be "rolled forward" to provide all the latest data.
The SHOW SLAVE STATUSindicates these values:
* RELAY_LOG_FILE=hostname-relay-bin.00004
* RELAY_LOG_POS=1383
Which command set would make the slave current?
STOP SLAVE; SET GLOBAL master_delay=0; START SLAVE;