Which two statements complete a transaction? ()A、DELETE employees;B、DESCRIBE employees;C、ROLLBACK TO SAVE POINT C;D、GRANT SELECT ON employees TO SCOTHE、ALTER TABLE employees SET UNUSED COLUMN sal;F、Select MAX(sal) FROM employees WHERE department _ id 20;

题目

Which two statements complete a transaction? ()

  • A、DELETE employees;
  • B、DESCRIBE employees;
  • C、ROLLBACK TO SAVE POINT C;
  • D、GRANT SELECT ON employees TO SCOTH
  • E、ALTER TABLE employees SET UNUSED COLUMN sal;
  • F、Select MAX(sal) FROM employees WHERE department _ id 20;

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更多“Which two statements complete a ”相关问题
  • 第1题:

    Which two statements are true with regard to policy ordering? ()(Choose two.)

    A. The last policy is the default policy, which allows all traffic.

    B. The order of policies is not important.

    C. New policies are placed at the end of the policy list.

    D. The insert command can be used to change the order.


    参考答案:C, D

  • 第2题:

    Which two statements are true regarding L2TP? ()(Choose two.)

    A. Tunnels are initiated by the LAC

    B. Tunnels are initiated by the LNS

    C. By default, subscriber authentication occurs on the LNS

    D. By default, subscriber authentication occurs on the LAC


    参考答案:A, C

  • 第3题:

    Which two statements are true about L2TP tunnels?() (Choose two.)

    • A、Traffic is clear text
    • B、Traffic is encrypted 
    • C、They are initiated by the LNS
    • D、They are initiated by the LAC

    正确答案:A,D

  • 第4题:

    Which two statements complete a transaction? ()

    • A、DELETE employees;
    • B、DESCRIBE employees;
    • C、ROLLBACK TO SAVEPOINT C;
    • D、GRANT SELECT ON employees TO SCOTT;
    • E、ALTER TABLE employees SET UNUSED COLUMN sal;
    • F、SELECT MAX(sal) FROM employees WHERE department_id = 20;

    正确答案:D,E

  • 第5题:

    Which two statements are true regarding L2TP? ()(Choose two.)

    • A、Tunnels are initiated by the LAC
    • B、Tunnels are initiated by the LNS
    • C、By default, subscriber authentication occurs on the LNS
    • D、By default, subscriber authentication occurs on the LAC

    正确答案:A,C

  • 第6题:

    Which two statements are true regarding subqueries? ()

    • A、A subquery can retrieve zero or more rows 
    • B、Only two subqueries can be placed atone level 
    • C、A subquery can be used only in SQL query statements 
    • D、A subquery can appear on either side of a comparison operator 
    • E、There is no limit on the number of subquery levels in the WHERE clause of a SELECT statement 

    正确答案:A,D

  • 第7题:

    多选题
    Which two statements are true about L2TP tunnels?() (Choose two.)
    A

    Traffic is clear text

    B

    Traffic is encrypted 

    C

    They are initiated by the LNS

    D

    They are initiated by the LAC


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    解析: 暂无解析

  • 第8题:

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    Control files

    B

    Password files

    C

    Inactive online redo log file

    D

    Archived log files required to perform recovery

    E

    Newly created tablespace which is not backed up


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    解析: 暂无解析

  • 第9题:

    多选题
    Which two statements are true regarding the database in ARCHIVELOG mode?()
    A

    You have to shut down the database to perform the backups.

    B

    Archiving information is written to the data files and redo log files.

    C

    You can perform complete database backups without closing the database.

    D

    Online redo log files have to be multiplexed before putting the database in ARCHIVELOG mode.

    E

    All the previous database backups become invalid after you configure the database to ARCHIVELOG mode.


    正确答案: B,C
    解析: 暂无解析

  • 第10题:

    多选题
    Which two statements complete a transaction?()
    A

    DELETE employees;

    B

    DESCRIBE employees;

    C

    ROLLBACK TO SAVEPOINT C;

    D

    GRANT SELECT ON employees TO SCOTT;

    E

    ALTER TABLE employees   SET UNUSED COLUMN sal;

    F

    Select MAX(sal)   FROM employees   WHERE department_id = 20;


    正确答案: C,E
    解析: 暂无解析

  • 第11题:

    多选题
    Which two statements are true regarding L2TP? ()(Choose two.)
    A

    Tunnels are initiated by the LAC

    B

    Tunnels are initiated by the LNS

    C

    By default, subscriber authentication occurs on the LNS

    D

    By default, subscriber authentication occurs on the LAC


    正确答案: C,D
    解析: 暂无解析

  • 第12题:

    多选题
    Which two statements complete a transaction? ()
    A

    DELETE employees;

    B

    DESCRIBE employees;

    C

    ROLLBACK TO SAVE POINT C;

    D

    GRANT SELECT ON employees TO SCOTH

    E

    ALTER TABLE employees SET UNUSED COLUMN sal;

    F

    Select MAX(sal) FROM employees WHERE department _ id 20;


    正确答案: B,F
    解析: 暂无解析

  • 第13题:

    Which two statements are true about precedence values in policy?() (Choose two.)

    A. 1 is the default precedence.

    B. A lower number is preferred.

    C. A higher number is preferred.

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    • A、Complete Ongoing Support Handoff Materials
    • B、Prepare for Handoff Meeting
    • C、Update Leading Practices
    • D、Obtain Customer Satisfaction Feedback

    正确答案:C,D

  • 第15题:

    Which two statements complete a transaction?()

    • A、DELETE employees;
    • B、DESCRIBE employees;
    • C、ROLLBACK TO SAVE POINT C;
    • D、GRANT SELECT ON employees TO SCOTH
    • E、ALTER TABLE employees SET UNUSED COLUMN sal;
    • F、Select MAX(sal) FROM employees WHERE department _ id 20;

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    • C、Devices participating in a chassis cluster can be different models.
    • D、Devices participating in a chassis cluster must be the same models

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  • 第17题:

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    • B、Archiving information is written to the data files and redo log files.
    • C、You can perform complete database backups without closing the database.
    • D、Online redo log files have to be multiplexed before putting the database in ARCHIVELOG mode.
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  • 第18题:

    多选题
    Which two statements are true with regard to policy ordering? ()(Choose two.)
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    The last policy is the default policy, which allows all traffic.

    B

    The order of policies is not important.

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    New policies are placed at the end of the policy list.

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    The insert command can be used to change the order.


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  • 第19题:

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    A

    SSID broadcast prevention

    B

    man-in-the-middle attack protection

    C

    cost reduction through software upgrades in all existing hardware

    D

    dynamic key generation

    E

    RF jamming prevention


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    解析: 暂无解析

  • 第20题:

    多选题
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    A

    Backup compression should be enabled

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    Parallelism for the channel should be set to 2

    C

    All the files must be backed up as backup sets

    D

    The backup may be stored either on disk or on media with media manager


    正确答案: A,D
    解析: 暂无解析

  • 第21题:

    多选题
    Which two statements are reserved words in Java?()
    A

    Run

    B

    Import

    C

    Default

    D

    Implement


    正确答案: B,D
    解析: 暂无解析

  • 第22题:

    多选题
    Which two statements are true about AH?() (Choose two.)
    A

    AH provides data integrity.

    B

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    C

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    正确答案: D,C
    解析: 暂无解析

  • 第23题:

    多选题
    You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database. Which two statements are true about this backup operation? ()(Choose two.)
    A

    Backup compression should be enabled

    B

    Parallelism for the channel should be set to 2

    C

    All the files must be backed up as backup sets

    D

    The backup may be stored either on disk or on media with media manager


    正确答案: D,C
    解析: 暂无解析

  • 第24题:

    多选题
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    A

    The Work Item is not eligible for Purge.

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    The Work Item is eligible for a Permanent purge.

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    The Work Item is eligible for a Temporary purge.

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    The Work Item is eligible for both Temporary and Permanent purge.


    正确答案: A,C
    解析: 暂无解析