多选题Which statements are true about logical structures of the Oracle database（）AEach segment contains one or more extents.BMultiple tablespaces can share a single data fileCA data block is the smallest unit of input/output （I/O） in data files.DIt is possib

题目
多选题
Which statements are true about logical structures of the Oracle database（）
A

Each segment contains one or more extents.

B

Multiple tablespaces can share a single data file

C

A data block is the smallest unit of input/output （I/O） in data files.

D

It is possible to have tablespaces of different block sizes in a database.

E

Each data block in the database always corresponds to one operating system block

相似考题

1.Which of the following statements about Leopold and Rudolph Blaschka is TRUE?A. They were brothers.B. They were artists.C. They were florists.D. They were farmers.

2.Which two statements are true about hierarchical architecture? ()(Choose two.)A. You can assign a logical interface to multiple zones.B. You cannot assign a logical interface to multiple zones.C. You can assign a logical interface to multiple routing instances.D. You cannot assign a logical interface to multiple routing instances.

3.Which statement is true about logical units?()A. Logical units are similar to VLANs used by other vendors.B. A logical unit is required for transit interfaces.C. Frame Relay encapsulation supports one logical unit.D. Link speed and duplex are configured in the logical unit properties.

4.Which of the following statements about ORACLE is (are) correct?Ⅰ.ORACLE follows SQL standardⅡ.ORACLE database defines two logical types: table and viewA．ⅠonlyB．Ⅱ onlyC．Ⅰ and ⅡD．none of the above

更多“Which statements are true about logical structures of the Or”相关问题

  • 第1题：

    Which two statements about the use of VLANs to segment a network are true?()

    A. VLANs increase the size of collision domains.

    B. VLANs allow logical grouping of users by function.

    C. VLANs simplify switch administration.

    D. VLANs enhance network security.


    参考答案：B, D

  • 第2题：

    Which three statements about OSPF areas are true?（）

    • A、Areas introduce a boundary on the link - state updates.
    • B、Areas are  logical definitions specific to any given router.
    • C、All routers within an area have the exact link - state database.
    • D、The calculation of the Dijkstra algorithm on a router is limited to changes within an area.
    • E、The area designated router will always  have a priority of 0.

    正确答案:A,C,D

  • 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 about the Cisco Nexus 1000V VSM are true?（）

    • A、It performs switching decisions and forwarding for the VEM
    • B、It can be run on a virtual machine
    • C、It can be used for remote VEM switching Iine cards

    正确答案:B,C

  • 第5题：

    Which of the following statements is TRUE about the reorgvg command?（）

    • A、No logical volumes wil be moved if write-verify is set to yes.
    • B、No action will be performed if it cannot fulfill the allocation requirements.
    • C、Physical partitions of a logical volume will be moved if the logical volume's relocatable flag is set to "no".
    • D、Physical partitions will be moved as close as possible to the positions specified, if the allocation requirements cannot be fulfilled.

    正确答案:D

  • 第6题：

    Which of the following statements are true regarding the Recycle Bin？（）

    • A、 The Recycle Bin is a physical storage area for dropped objects.
    • B、 The Recycle Bin is a logical container for dropped objects.
    • C、 The Recycle Bin stores the results of a Flashback Drop operation.
    • D、 The objects in the Recycle Bin are stored in the tablespace in which they were created.

    正确答案:B,D

  • 第7题：

    单选题
    Which of the following statements about the golf club is NOT true?
    A

    It’s at the top of the cliff.

    B

    They were not allowed to be in the club.

    C

    They parked the car near the club.


    正确答案： A
    解析：
    根据there was a golf club at the top of the cliff that we weren’t allowed into可见A项和B项说法正确。文中只提到停放汽车，但没有提及停在哪儿。

  • 第8题：

    多选题
    Which three statements are true about logical structures of the Oracle database（）
    A

    Each segment contains one or more extents.

    B

    Multiple tablespaces can share a single data file.

    C

    A data block is the smallest unit of input/output （I/O） in data files.

    D

    It is possible to have tablespaces of different block sizes in a database.

    E

    Each data block in the database always corresponds to one operating system block.


    正确答案： B,D
    解析： A答案：每个段包含一个或多个区，正确。 
    B答案：一个数据文件只能属于一个表空间，故错误。 
    C答案：Oracle data block是最小的I/O单位，正确 
    D答案：可以是不同的块大小，需要指名非标准块的位置。 
    E答案：每个数据库里面的数据库对应一个或多个操作系统块，故E错误。

  • 第9题：

    多选题
    Which three statements about the secure domain router are true？（）
    A

    The logical router can span across chassis.

    B

    The fabric and system controller module are shared by all logical routers.

    C

    Each logical router has a distinct fabric and system controller module

    D

    The logical router can share a route processor

    E

    The logical router cannot share a route processor


    正确答案： A,C
    解析： 暂无解析

  • 第10题：

    单选题
    Which of the following statements is TRUE about the reorgvg command?（）
    A

    No logical volumes wil be moved if write-verify is set to yes.

    B

    No action will be performed if it cannot fulfill the allocation requirements.

    C

    Physical partitions of a logical volume will be moved if the logical volume's relocatable flag is set to no.

    D

    Physical partitions will be moved as close as possible to the positions specified, if the allocation requirements cannot be fulfilled.


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    Which statement is true about logical units?（）
    A

    Logical units are similar to VLANs used by other vendors.

    B

    A logical unit is required for transit interfaces.

    C

    Frame Relay encapsulation supports one logical unit.

    D

    Link speed and duplex are configured in the logical unit properties.


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following statements about the Situational Approach is NOT true?
    A

    Adopt an inductive approach to grammar teaching.

    B

    Encourage explanations of the meaning of new items in foreign language.

    C

    Focus on language accuracy.

    D

    Practice structures and patterns through repetition and substitution activities.


    正确答案： C
    解析：

  • 第13题：

    Which of the following statements about language is NOT true?

    A.Language is a system
    B.Language is symbol
    C.Animals also have language
    D.Language is arbitrary

    答案：C
    解析：
    本题考查语言的定义。
    本题要求选不正确的，C选项，动物也有语言，错误。语言是人类在交际中使用的一套任意的声音符号系统。动物没有语言，动物只是本能发出声音。综上，应选C。
    A选项，系统的，故排除。
    B选项，符号，故排除。
    D选项，任意的，故排除。
    故正确答案为C项。

  • 第14题：

    Which three statements about the secure domain router are true？（）

    • A、The logical router can span across chassis.
    • B、The fabric and system controller module are shared by all logical routers.
    • C、Each logical router has a distinct fabric and system controller module
    • D、The logical router can share a route processor
    • E、The logical router cannot share a route processor

    正确答案:A,B,E

  • 第15题：

    Which statement is true about logical units?（）

    • A、Logical units are similar to VLANs used by other vendors.
    • B、A logical unit is required for transit interfaces.
    • C、Frame Relay encapsulation supports one logical unit.
    • D、Link speed and duplex are configured in the logical unit properties.

    正确答案:B

  • 第16题：

    Which two statements about the use of VLANs to segment a network are true? （）

    • A、VLANs increase the size of collision domains.
    • B、VLANs allow logical grouping of users by function.
    • C、VLANs simplify switch administration.
    • D、VLANs enhance network security.

    正确答案:B,D

  • 第17题：

    A system administrator has backed up the datavg volume group using the savevg command. There are several raw logical volumes and some unmounted jfs filesystems in datavg. Which of the following statements is true about this backup?（）

    • A、The volume group and all logical volumes will be recreated. All raw and jfs filesystms will be backed up and restored.
    • B、This backup will be bootable and the volume group and all jfs logical volumes will be recreated.
    • C、This backup will not be bootable and the restorevg command is used to restore only the mounted and non-raw logical volumes. It will not recreate any logical volumes that are raw or unmounted.
    • D、The volume group and all logical volumes information is archived and will be recreated. The raw and unmounted filesystems will not be backed up and therefore not restored.

    正确答案:D

  • 第18题：

    Which three statements about subqueries are true? （）

    • A、Asinglerowsubquerycanretrieveonlyonecolumnandonerow.
    • B、Asinglerowsubquerycanretrieveonlyonerowbutmanycolumns.
    • C、Amultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.
    • D、Amultiplerowsubquerycanbecomparedusingthe"；>；"；operator.
    • E、AsinglerowsubquerycanusetheINoperator.
    • F、Amultiplerowsubquerycanusethe"；="；operator.

    正确答案:B,C,E

  • 第19题：

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

    You can assign a logical interface to multiple zones.

    B

    You cannot assign a logical interface to multiple zones.

    C

    You can assign a logical interface to multiple routing instances.

    D

    You cannot assign a logical interface to multiple routing instances.


    正确答案： B,C
    解析： 暂无解析

  • 第20题：

    单选题
    A system administrator has backed up the datavg volume group using the savevg command. There are several raw logical volumes and some unmounted jfs filesystems in datavg. Which of the following statements is true about this backup?（）
    A

    The volume group and all logical volumes will be recreated. All raw and jfs filesystms will be backed up and restored.

    B

    This backup will be bootable and the volume group and all jfs logical volumes will be recreated.

    C

    This backup will not be bootable and the restorevg command is used to restore only the mounted and non-raw logical volumes. It will not recreate any logical volumes that are raw or unmounted.

    D

    The volume group and all logical volumes information is archived and will be recreated. The raw and unmounted filesystems will not be backed up and therefore not restored.


    正确答案： A
    解析： 暂无解析

  • 第21题：

    多选题
    Which three statements about OSPF areas are true?（）
    A

    Areas introduce a boundary on the link - state updates.

    B

    Areas are  logical definitions specific to any given router.

    C

    All routers within an area have the exact link - state database.

    D

    The calculation of the Dijkstra algorithm on a router is limited to changes within an area.

    E

    The area designated router will always  have a priority of 0.


    正确答案： B,E
    解析： 暂无解析

  • 第22题：

    多选题
    Which three statements about subqueries are true? （）
    A

    Asinglerowsubquerycanretrieveonlyonecolumnandonerow.

    B

    Asinglerowsubquerycanretrieveonlyonerowbutmanycolumns.

    C

    Amultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.

    D

    Amultiplerowsubquerycanbecomparedusingthe；>；；operator.

    E

    AsinglerowsubquerycanusetheINoperator.

    F

    Amultiplerowsubquerycanusethe；=；operator.


    正确答案： D,A
    解析： 暂无解析

  • 第23题：

    单选题
    Which of the following statements is NOT true, according to the passage?
    A

    Students at Cornell University often rated themselves highly even when they flubbed all questions in a reasoning test.

    B

    Grammar was an area in which objective knowledge was helpful in determining competence.

    C

    Participants in the test estimated their sense of humor by about 16 percentage points.

    D

    Students scored better on a logical reasoning test but rated themselves lower.


    正确答案： B
    解析：
    本题中，A、B、D三项在文中都曾提及，并与原文相符。C项与文章第九段的最后一句话“participants overestimated their sense of humor by about 16 percentage points”内容相悖，因此C项是正确答案。

相关内容