1Z1-921 無料問題集「Oracle MySQL 2021 Implementation Essentials」

（A）Your instance does not have a public IP address, so you cannot connect with a public subnet.

（B）You can connect directly to an instance over the internet, without a public IP address.

（C）You can connect directly to the VCN without a define subnet.

（D）You must have an IPSec VPN to connect to an Oracle Linux instance.

（E）You must have an Internet gateway to connect to a public address on an Oracle Linux instance.

（A）MySQL Enterprise Backup will back up from Slave automatically.

（B）It provides multi-master access where the application can write and read data across the database servers.

（C）MySQL Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.

（D）You can create a slave server for reporting applications, which get only read access to the slave servers. It off-loads the master server. Additional servers allow different database server configuration.

（E）It allows backup to be done on the slave without impacting the master.

（A）The use of global transaction identifiers is required.

（B）The minimum number of required nodes for achieving a consensus is two.

（C）GR only works with MySQL versions 8.0.12 or higher.

（D）Primary keys are required on every replicated table.

（E）Data to be replicated must be stored in the InnoDB transactional storage engine.

（F）The binary log format must be set to mixed.

（A）It performs hot or warm backups.

（B）It enables you to take non-locking backups.

（C）It performs logical backups.

（D）It cannot back up encrypted tablespaces.

（E）It provides the ability to create incremental backups.

（A）the SET_FOREGIN variable in the my .cnf file

（B）unique PRIMARY key values for both child and parent tables

（C）an index on the foreign key

（D）a TRIGGER on the child table for cascading delete statements

（E）a REFERENCES in the child table to the parent table

（A）misspelling

（B）whitelisting and substitution

（C）random data substitution

（D）strict or relaxed masking

（E）dictionary substitution

（A）A CLI-based wizard MySQL Enterprise Monitor, Agent, and a MySQL Repository database

（B）A GUI for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database

（C）A MySQL Enterprise Monitor to remotely deploy the MySQL Monitor Agent

（D）A browser-based wizard to remotely deploy the MySQL Monitor Agent

（E）A script (with an option file) for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database

（A）SSH private key

（B）The opc user

（C）SSH public key

（D）The root user

（E）Public IP address

（F）User Password