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多項(xiàng)選擇題

Which two requirements are critically important to implement for your database backup strategy if you require a 24 hours a day， 7 days a week production environment？（）

A.ARCHIVELOG mode.
B.NOARCHIVELOG mode.
C.Open database backups.
D.Consistent whole backups.

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單項(xiàng)選擇題
Management has decided that the database must be available 24 hours a day， 7 days a week. Given this requirement， which type of backup is required？（）
A.user-managed backups.
B.partial database backups.
C.consistent database backups.
D.inconsistent database backups.
多項(xiàng)選擇題
Oracle Net Configuration Assistant is a post-installation tool that configures basic network components after installation. Which four components are included in the configuration？（）
A.Directory server
B.Hostname adaptor
C.TCP/IP host file
D.Connection Manager
E.connecting pooling
F.external procedures
G.listener names and protocol addresses
H.Net Service names in a tnsnames.ora file
I.naming methods the client uses to resolve connect identifiers

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