Mysql OCP 65题

Which are three facts about backups with mysqldump?
A. will lock all storage engines for duration(期间) of backup
B. can back up a remote database server
C. allow a consistent backup to be taken
D. are able to back up specific items within a database
E. create automatically compressed backups
F. are always faster to restore than binary backups
Answer: BCD
The mysqldump command is frequently used to create an empty instance, or an instance including data, on a replica server in a replication configuration.