Which of the following provides a logical grouping of databa

题目
单选题
Which of the following provides a logical grouping of database objects?()
A

View

B

Table

C

Schema

D

Buffer pool

参考答案和解析
正确答案: D
解析: 暂无解析
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相似问题和答案

第1题:

Which of the following allows multiple applications toshare a single operating system resource?()

A.Logical Partition

B.Workload Partition

C.Dynamic Logical Partition

D.Shared Processor Logical Partition


参考答案:B

第2题:

Which of the following are benefits of VLANs?()

A. They increase the size of collision domains.

B. They allow logical grouping of users by function.

C. They can enhance network security.

D. They increase the size of broadcast domains while decreasing the number of collision domains.

E. They increase the number of broadcast domains while decreasing the size of the broadcast domains.

F. They simplify switch administration.


参考答案:B, C, E

第3题:

Ezonexam has implemented the use of VLANs in their network. Which of the following are considered to be a benefit of VLANs? (Choose three)

A. They increase the size of collision domains.

B. They allow logical grouping of users by function.

C. They can enhance network security,

D. The increase the size of broadcast domains while decreasing the number of the broadcast domains.

E. The increase the number of broadcast domains while decreasing the size of the broadcast domains.

F. They simplify switch administration.


正确答案:BCE
B,C,E 解析:Explanation:
There are many motivations for using VLANs, including these:
1. To group users by department, or by groups that work together, instead of by physical location. (B)
2. To reduce overhead by limiting the size of each broadcast domain (E)
3. To enforce better security by keeping sensitive devices on a separate VLAN (C)
4. To separate specialized traffic from mainstream traffic - for example, putting IP telephones on a separate VLAN form. user PCs.

第4题:

What is the term for a logical SAN which provides isolation among devices physically connected tothe same fabric?()

  • A、 ISL
  • B、 IVR
  • C、 VoQ
  • D、 VSANs
  • E、 Enhanced ISL

正确答案:D

第5题:

Which of the following parts of a laptop screen provides illumination for the LCD?()

  • A、Inverter
  • B、Backlight
  • C、Inverter connector cable
  • D、Bezel

正确答案:B

第6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7题:

Which of the following components provides for the BEST hardware cooling features?()

  • A、 Epoxy paste
  • B、 Chip fan
  • C、 Heat sink
  • D、 Virtualization

正确答案:B

第8题:

Which of the following provides a logical grouping of database objects?()

A.View

B.Table

C.Schema

D.Buffer pool


参考答案:C

第9题:

What is the term for a logical SAN which provides isolation among devices physically connected to the same fabric?()

  • A、ISL
  • B、IVR
  • C、VoQ
  • D、VSANs
  • E、Enhanced ISL

正确答案:D

第10题:

Which of the following are benefits of VLANs?()

  • A、They increase the size of collision domains.
  • B、They allow logical grouping of users by function.
  • C、They can enhance network security,
  • D、The increase the size of broadcast domains while decreasing the number of the broadcast domains.
  • E、The increase the number of broadcast domains while decreasing the size of the broadcast domains.
  • F、They simplify switch administration.

正确答案:B,C,E

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