MySQL 8.0 OCP 認證考試 題庫更新 MySQL 8.0 Database Administrator
考試科目：1Z0-908
近期發現，MySQL OCP認證考試題庫發生變化，出現了很多新題，對此，CUUG專門收集整理了最新版本的MySQL考試原題，并會給出答案和解析。
MySQL部分新題：
Which two are requirements for multiple MySQL servers started by systemd?
? ? A：Each must have unique passwords.
? ? B：Each require separate server-id numbers.
? ? C：Each must have a unique server-uuid configured.
? ? D：Each must have a unique socket file and TCP/IP port.
? ? E：Each must have a unique data directory.
Which three methods are part of a 'scale up' approach to capacity planning?
? ? A：adding a new node to InnoDB Cluster
? ? B：adding more RAM
? ? C：sharding the server into a parallel server farm
? ? D：adding a replication slave
? ? E：adding more CPU power
? ? F：adding additional MySQL servers to the current host
? ? G：adding more storage to your disk array
Which statement is true about cold backups?
? ? A：They are backups taken from OS copy commands.
? ? B：They are backups taken from snapshots of a running database.
? ? C：They are good to use if only data structures must be backed up but not log files.
? ? D：They are good to use when many users are online accessing the database.
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