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Data in secondary memory won't be lost when power is interrupted.

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更多“Data in secondary memory won&#…”相关的问题

第1题

Which of the following is a disadvantage of using secondary data？

A．Gathering secondary data is costly．

B．Collecting secondary data is time consuming．

C．Few sources exist for secondary dA

D．It is not accurate enough．

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第2题

Secondary data is data that was gathered for another purpose and already exists. （）

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第3题

Secondary data is data originated by the researcher for the specific purpose of addressing the research problem.（）

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第4题

Which of the following statements about primary data and secondary data is/are true?

A．Primary？data？are？collected？by？the？researcher;？secondary？data？are？derived？from？primary？dA

B．Secondary？data？are？collected？through？interviews,？surveys;？primary？data？are？derived？from？books,？newspapers,？Internet,...

C．Primary？data？has？fewer？resource？requirements;？secondary？data？has？more？resource？requirements.

D．Primary？data？are？fresher？and？more？updated;？secondary？data？tends？to？be？of？higher？quality.

E．Secondary？data？are？less？suitable？to？match？our？need;？primary？data？are？better？matching？our？nee

D．

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第5题

集群中使用备份节点时，不需要以下哪一个节点？（）

A.Standby node

B.Check point node

C.Secondary data node

D.Secondary name node

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第6题

To conduct secondary research , you might().

A.talk with customers and suppliers

B.collect data on the Internet

C.observe what happens

D.do experiment

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第7题

Compare a typical Distributed Replicated Block Device （DRBD) with MySQL Standard Replication using master-slave replication. Which two statements are correct？（）

A.Both technologies guarantee an identical copy of data on the secondary node

B.Only MySQL can maintain a time-delayed copy of data on the secondary node

C.Both technologies use the TCP/IP stack as their primary transmission medium

D.DRBD uses shared-disk technology

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第8题

通过什么方法解决HDFS的主节点单节点故障问题（）

A.Backup

B.Name node

C.Data node

D.Secondary name node

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第9题

Which of the following questions should be asked by a marketing researcher when trying to establish the reliability of secondary data sources in the international arena？

A．How much does the data cost

B．For what purposes were the data collected

C．What language is used in the host country

D．Was the data available on the Internet

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第10题

The data station usually means a（71)unit that provides data for transmission, that accepts

The data station usually means a(71)unit that provides data for transmission, that accepts transmitted data, and that performs all functions necessary for communication with another functional unit. Data stations may be divided into two kinds, the primary stations and the secondary stations, (72)control functions.In(73)data link control, the primary station is the data station that supports the primary control functions of the data link, generates commands to be transmitted, and interprets received responses. Specific responsibilities assigned to the primary station include initialization of control signal interchange, organization of data flow and actions regarding error control and error recovery functions. The secondary station executes data link control functions as (74)by the primary station, interprets received commands and (75) responses to be transmitted.

A．performance

B．functional

C．capacity

D．quality

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