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Which statements are true about logical structures of the Or

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

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相似问题和答案

第1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.


参考答案：B, D

第2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3题：

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.


正确答案：B

32．答案为B。根据第一段最后一句，the work of two artists-naturalists，Leopold Blaschka and his son Rudolph作出该项选择。

第4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5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6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.


参考答案：B

第7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8题：

Which of the following statements about ORACLE is (are) correct?

Ⅰ.ORACLE follows SQL standard

Ⅱ.ORACLE database defines two logical types: table and view

A．Ⅰonly

B．Ⅱ only

C．Ⅰ and Ⅱ

D．none of the above


正确答案：C

第9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10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

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