RMAN offers the equivalent of the SQL command alter database backup controlfile to trace.（）

A . Provide a password for the encryption B . Set up an Oracle wallet for the encryption C . No setup is required as it is a default encryption method D . Both Oracle wallet and password must be set up for the encryptio

A . Stored scripts in the recovery catalog B . Backups that can be deleted from disk C . Backup sets and images copies that are obsolete D . Backups that do not have the AVAILABLE status in the RMAN repository

A .  A list of files that require a backup within 3 days B .  A list of files requiring more than 3 days of archivelogs to apply C .  A list of files that RMAN recommends be backed up only once in every three days，based on low volatility D .  A list of files for which a backup as already been performed in the last three days and which is  required to be backed up again based on the high number of transactions performed on them

A .  Provide a password for the encryption B .  Set up an Oracle wallet for the encryption C .  No setup is required as it is a default encryption method D .  Both Oracle wallet and password must be set up for the encryptio

A . Prime vertical circle B . Principal vertical circle C . Parallels of altitude D . Horizo

A . coulombs per second B . revolutions per second C . revolutions per minute D . cycles per second

A . the two methods of authentication using the WEP encryption are open and shared key B . the 802.11 standard defines WEP security using 128-bit keys C . WEP can provide stronger authentication through the use of LEAP， PEAP， or EAP-FAST D . WEP is a scalable encryption solution that uses static keys for authentication E . WEP security provides only one-way authentication F . WEPv2 offers improved encryption by replacing the RC4 encryption mechanism with the AES （symmetric block cipher） mechanism

A . A list of files that require a backup within 3 days B . A list of files requiring more than 3 days of archivelogs to apply C . A list of files that RMAN recommends be backed up only once in every three days, based on low volatility D . A list of files for which a backup as already been performed in the last three days and which is required to be backed up again based on the high number of transactions performed on them

A . 158 B . 0x9D C . 156 D . 157 E . 0x19 F . 0x9F

A .https://assets.asklib.com/images/image2/2018073115112695987.jpg B .https://assets.asklib.com/images/image2/2018073115114664903.jpg C .https://assets.asklib.com/images/image2/2018073115123688801.jpg D .https://assets.asklib.com/images/image2/2018073115124427624.jpg E .https://assets.asklib.com/images/image2/2018073115125392737.jpg

A . Provide a password for the encryption B . Set up an Oracle wallet for the encryption C . No setup is required as it is a default encryption method D . Both Oracle wallet and password must be set up for the encryptio

A .  Issue the grant command from the SYS user （or equivalent） of the target database. B .  Issue the grant command from the SYS user （or equivalent） of the recovery-catalog database. C .  Issue the grant command from the recovery catalog-owning schema user account in the recovery catalog. D .  Issue the grant command from RMAN when connected to the recovery catalog-owning schema. E .  Issue the grant command from RMAN when connected to the target database.

A .  3 / 2 B .  3 < 2 C .  3 * 4 D .  3 << 2 E .  3 * 22 F .  3 <<<2

A．to be forgetful B．to be ungrateful C．to be grateful D．to be hungry

Which of the following is an equivalent simplifiedexpression for 2(4x+7)–3(2x–4)？ A.x+2 B.2x+2 C.2x+26 D.3x+10 E.3x+11

A．Y B．N C．NG

A. Provide a password for the encryption B. Set up an Oracle wallet for the encryption C. No setup is required as it is a default encryption method D. Both Oracle wallet and password must be set up for the encryption

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/31f166c0cedddf6946f2b336e2153075.jpg' /> A. The command performs the recovery and closes the failures. B. The command only displays the advice and the RMAN script required for repair. C. The command produces an error because the ADVISE FAILURE command has not been executed before the REPAIR FAILURE command. D. The command executes the RMAN script to repair the failure and removes the entry from the Automatic Diagnostic Repository (ADR).

A．Coal. B．Petrol. C．Natural gas. D．Electricity. 此题为多项选择题。

A．Hebei, Qianan B．Hebei, Qian’an C．Qianan, Hebei province D．Qian’an, Hebei province