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Which of the following best describes the age of the data in

题目
单选题
Which of the following best describes the age of the data in an OLTP system?（）
A

Current

B

Projected

C

Historical

D

Current and projected

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相似问题和答案

第1题：

Which of the following BEST describes RAID 10？（）

  • A、 Mirroring with striping
  • B、 Mirroring with fault tolerance
  • C、 Striping
  • D、 Striping with distributed parity

正确答案:A

第2题：

Which of the following BEST describes RAID 5？（）

  • A、 RAID 5 is data striping across all drives.
  • B、 RAID 5 is data striping with a dedicated parity drive.
  • C、 RAID 5 is striped sets with two sets of parity striped across all drives.
  • D、 RAID 5 is striped sets with parity striped across all drives.

正确答案:D

第3题：

Which of the following network topologies BEST describes a VPN? ()(Select TWO)

A. Point to Point

B. Point to Multipoint

C. VLAN

D. Ring

E. Bus


参考答案：A, B

第4题：

单选题
Which of the following best describes a hash function？（）
A

An irreversible fast encryption method

B

A reversible fast encryption method

C

A reversible value computed from a piece of data and used to detect modifications

D

An irreversible value computed froma piece of data and used to detect modifications

E

A table inwhich values are stored for efficient retrieval.


正确答案： E
解析： 暂无解析

第5题：

Which of the following is the BEST recovery method for a server that only aggregates report data and stores data on separate servers?（）

  • A、Full
  • B、Disk imaging
  • C、Incremental
  • D、Tape backup

正确答案:C

第6题：

Which of the following BEST describes a benefit of RAID 0?（）

  • A、High fault tolerance
  • B、Ease of failure recovery
  • C、High performance
  • D、No configuration

正确答案:C

第7题：

Which of the following BEST describes RAID 1?（）

  • A、Mirroring
  • B、Striping
  • C、Striping with parity
  • D、Striping with mirroring

正确答案:A

第8题：

Which of the following BEST describes a hub?（）

  • A、Determines the best route to transmit data
  • B、Inspects traffic and accepts or declines transmission
  • C、Broadcasts data to specific network devices
  • D、Broadcasts data to all network devices

正确答案:D

第9题：

Which of the following best describes how locks are used in DB2?（）

  • A、To maintain control of updated rows for commit processing
  • B、To ensure only committed changes are altered by another application
  • C、To allow two applications to update the same row of data simultaneously
  • D、To prevent multiple applications from accessing the same data simultaneously

正确答案:B

第10题：

单选题
Which of the following words best describes mum?
A

Polite.

B

Patient.

C

Changeable.

D

Clever.


正确答案： D
解析：
从整篇文章推理来看，因为护士监督不让去看病人，她假装清洁工去拖地，从而看到了病人，达到了想要的结果。因此妈妈是很聪明的。

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