As A DBA， which of the following methods can you use to make a backup of your table？（）

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• which of the following is the proper pronunciation of “have to “ as a result of assimilation?

  A . ／hef tu／ B . ／hev tu／ C . ／hæf tu／ D . ／hæv tu／

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• When creating a SQL tuning set，which of the following steps allows the DBA to reduce the size of the SQL set by selecting specific operators and values？（）

  A .  Filter versions B .  Filter loads C .  Filter tasks D .  Filter optio

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• Which of the following can be regarded as a communicative language task?

  A . Information-gap activity. B . Dictation C . Sentence transformation. D . Blank-filling.

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• The SQL Tuning Advisor has been configured with default configurations in your database instance. Which recommendation is automatically implemented without the DBA's intervention after the SQL Tuning Advisor is run as part of the AUTOTASK framework?（）

  A . statistics recommendations B . SQL profile recommendations C . index-related recommendations D . restructuring of SQL recommendatio

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• The SQL Tuning Advisor has been configured with default configurations in your database instance. Which recommendation is automatically implemented without the DBA’s intervention after the SQL Tuning Advisor is run as part of the AUTOTASK framework？（）

  A .  statistics recommendations B .  SQL profile recommendations C .  index-related recommendations D .  restructuring of SQL recommendatio

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• You are the DBA for an academic database. You need to create a role that allows a group of users to modify existing rows in the STUDENT_GRADES table. Which set of statements accomplishes this? （）

  A . CREATE ROLL registrar; GRANT MODIFY ON student_grant TO registrar; GRANT registrar to user 1, user2, user3 B . CREATE NEW ROLE registrar; GRANT ALL ON student_grant TO registrar; GRANT registrar to user 1, user2, user3 C . CREATE ROLL registrar; GRANT UPDATE ON student_grant TO registrar; GRANT ROLE to user1, user2, user3 D . CREATE ROLL registrar; GRANT UPDATE ON student_grant TO registrar; GRANT registrar to user 1, user2, user3; E . CREATE registrar; GRANT CHANGE ON student_grant TO registrar; GRANT registrar

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• To view the results of a manual SQL Tuning Advisor task， which steps should the DBA take？（）  

  A .  From the Advisor Central home page，select the tuning task from the Advisor Tasks section  B .  From Advisor Central，choose SQL Advisors，SQL Tuning Advisors，Manual Tuning Task Results C .  From Advisor Central，choose SQL Advisors，Manual SQL Tuning Advisors，Tuning Task Results D .  Either B or C

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• Which of the following consonant clusters may not serve as the beginning of a word?

  A . /spr/ B . /str/ C . /skw/ D . /swt/

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• A  user  wants  to  be  permanently  added  to  the  dba  group.  Which  of  the  following  commands  or processes can be used to accomplish this（）

  A . chgrp B . chuser C . edit /etc/user D . edit /etc/security/grou

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• User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA, which commands must you execute to enable SCOTT to flash back the transactions?（）

  A . ALTER DATABASE FLASHBACK ON; B . GRANT SELECT any transaction TO scott; C . GRANT EXECUTE ON dbms_flashback TO scott; D . ALTER DATABASE ADD SUPPLEMENTAL LOG DATA; E . ALTER TABLESPACE undots1 RETENTION GUARANTEE; F . ALTER DATABASE ADD SUPPLEMENTAL LOG DATA (PRIMARY KEY) COLUMNS

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• User SCOTT wants to back out the transactions on the REGIONS table in his schema. As a DBA， which commands must you execute to enable SCOTT to flash back the transactions？（）

  A .  ALTER DATABASE FLASHBACK ON B .  GRANT SELECT any transaction TO scott C .  GRANT EXECUTE ON dbms_flashback TO scott D .  ALTER DATABASE ADD SUPPLEMENTAL LOG DATA E .  ALTER TABLESPACE undots1 RETENTION GUARANTEE F .  ALTER DATABASE ADD SUPPLEMENTAL LOG DATA （PRIMARY KEY） COLUMNS

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• In which of the scenarios will the DBA perform recovery（）

  A . The alert log file is corrupted. B . A tablespace is accidentally dropped. C . One of the redo log members is corrupted. D . A database user terminates the session abnormally. E . The hard disk on which the data file is stored is corrupted.

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• The DBA is defining role for users. Which of the following is not an acceptable method for defining a default role?（）

  A . ALTER USER DEFAULT ROLE ALL B . ALTER USER DEFAULT ROLE ALL EXCEPT ROLE_1 C . ALTER USER DEFAULT ROLE NONE D . ALTER USER DEFAULT ROLE NONE EXCEPT ROLE_1

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• Which of the following is not a mentioned as a way of giving definitions?

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• Which of the italicized parts functions as a subject?

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• Which of the following best describes the relationship of the first paragraph of the passage to the passage as a whole？

  A．It provides a group of specific examples from which generalizations concerning the nature of drama are drawn later in the passage. B．It explains principles concerning one aspect of tragedy, which are followed later by principles for other aspects. C．It defines terms of dramatic principles that are more thoroughly explained later in the passage. D．It briefly compares and contrasts the principles of drama that are examined in detail later in the passage. E．It explains a method of judging a work of drama, a method that is used later in the passage.

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• Which of the following in NOT mentioned as a reason for the disrupted sleep of travelers？

  <img src='https://img2.soutiyun.com/ask/uploadfile/2583001-2586000/e73d9d58c0109280442b763484baf105.gif' />

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• Which of the following is the proper pronunciation of "with pleasure" as a result of assimilation？

  A. B. C. D.

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• Which of the following is the proper pronunciation of &quot;tissue&quot; as a result of assimilation？

  A.[ti？u:] B.[ti？ju:] C.[tid？u:] D.[tisu:]

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• A vessel proceeding along the course of a narrow channel shall keep as near to the outer limit of the channel which lies on her starboard side as it is safe and practicable．Which one of the followings does the statement express？

  A.A vessel shall proceed near the other vessel on her starboard side on the narrow channel since it is safe and practicable B.A vessel shall avoid proceeding near the starboard outer limit of a narrow channel as long as it is safe and practicable C.A vessel shall avoid proceeding along the channel because it is not safe and practicable D.A vessel shall proceed near the starboard outer limit of a narrow channel to the degree in which it is safe and practicable

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• The SQL Tuning Advisor has been configured with default configurations in your database instance.Which recommendation is automatically implemented without the DBA‘s intervention after the SQL Tuning Advisor is run as part of the AUTOTASK framework？（）

  A. statistics recommendations B. SQL profile recommendations C. index-related recommendations D. restructuring of SQL recommendations

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• Which of the following is the best reason for pouring a condensation impression material as soon as possible()

  A．the degree of polymerization of condensation polymers is initially high and then decreases with time B．evaporation of a volatile by-product causes shrinkage ofthe set material C．If left unpoured，condensation impression materials expand as they absorb water from air D．condensation polymers will start to react with the polymer of the impression tray and cause distortion

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• Which of the following is the proper pronunciation of'have to' as a result of assimilation？

  A．/hef tu/ B．/hey tu/ C．/hаef tu/ D．/hаev tu/

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• Which of the followings is not mentioned as a critical thinkingstrategy in the lecture（)

  Which of the followings is not mentioned as a critical thinkingstrategy in the lecture()？ A、syntagmatic and paradigmatic relationship B、dialectical reasoning C、multiple perspectives D、dialogism

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