Work Flow控制Data Flow的逻辑流程,Data Flow定义物理ETL操作

Work Flow控制Data Flow的逻辑流程,Data Flow定义物理ETL操作


参考答案和解析
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相关考题:

请说明逻辑数据流图(LogicalData Flow Diagram)和物理数据流图(PhysicalData Flow Diagram)之间的主要差别。

What are the four basic Data Flow steps of an ETL process?在ETL过程中四个基本的过程分别是什么?

试说明逻辑数据流图(logical data flow diagram)和物理数据流图(physical data flow diagram)之间的主要差别。

Which utility is used to assign a flow of data to a traffic class?() A. ip profileB. policy-listC. classifier-listD. rate-limit-profile

Flow control is a function that prevents network congestion by ensuring that(71)do not overwhelm(72)with data. There are three commonly used methods for handling network congestion.(73)is used by network devices to temporarily store bursts of excess data in memory until they can be processed. (74)are used by receiving devices to help prevent their buffers from overflowing.(75)is a flow -control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.A.transmitting devicesB.transmitted devicesC.receiving devicesD.received devices

A customer has a Fibre Channel switch residing in a configuration where both production and test data coexist. Which of the following is the simplest method for ensuring that the two types of data do not flow through the same port?()A.VLANB.zoningC.trunkingD.LUN masking

数据流程图(Data Flow Diagram, DFD/Data Flow Chart)是描述系统数据流程的工具。它将数据独立抽象出来,通过图形方式描述信息的来龙去脉和实际流程。在数据流程图中用()表示处理过程。A.长方形B.带圆角的长方形C.正方形D.圆或椭圆

Network equipment supporting the use of flow control mechanisms has been recently installed. What is the purpose of flow control in a data network?() A. It ensures that data is retransmitted if an acknowledgment is not received.B. It reassembles segments in the correct order on the destination device.C. It provides a mechanism for the receiver to control the transmission speed.D. It regulates the size of each datagram segment.E. All of the above are functions of flow control

What command visualizes the general NetFlow data on the command line?() A.show ip flow exportB.show ip flow top-talkersC.show ip cache flowD.show mls samplingE.show mls netflow ip

What Netflow component can be applied to an interface to track IPv4 traffic?() A.flow monitorB.flow recordC.flow samplerD.flow

数据流程图(Data Flow Diagram,DFD/Data Flow Chart)是描述系统数据流程的工具。它将数据独立抽象出来,通过图形方式描述信息的来龙去脉和实际流程。在数据流程图中用( )表示外部实体。A.长方形B.带圆角的长方形C.正方形D.圆或椭圆

( )不属于DFD(Data Flow Diagram,数据流图)的要素。A.加工B.联系C.数据流D.数据存储

( ) is used to model aggregates of information and the relationships these aggregates have to other. A.DatA.flow diagram B. Entity relationship diagram C.Sequence diagram D.Structure diagram

What command visualizes the general NetFlow data on the command line?()A、show ip flow exportB、show ip flow top-talkersC、show ip cache flowD、show mls samplingE、show mls netflow ip

A customer has a Fibre Channel switch residing in a configuration where both production and test data coexist. Which of the following is the simplest method for ensuring that the two types of data do not flow through the same port?()A、VLANB、zoningC、trunkingD、LUN masking

()is not a physical wall but a flow virtual data to protect the computer network.A、data wallB、data channelC、databaseD、firewall

流程图的英文表示为()。A、Flow ChartB、EntityC、CodeD、Data

What Netflow component can be applied to an interface to track IPv4 traffic?()A、flow monitorB、flow recordC、flow samplerD、flow

What are the four vPath packet flow steps? ()A、 perform flow lookupsB、 intercept packets on service enabled portsC、 run packets through the vPath flow managerD、 classify the packetsE、 flow manager emits an action for the packetsF、 enforce the action determined by the flow manager

Which layer of the OSI reference model uses flow control, sequencing, and acknowledgements to ensure that reliable networking occurs?()A、data linkB、networkC、transportD、presentationE、physical

Network equipment supporting the use of flow control mechanisms has been recently installed. What is the purpose of flow control in a data network?()A、It ensures that data is retransmitted if an acknowledgment is not received.B、It reassembles segments in the correct order on the destination device.C、It provides a mechanism for the receiver to control the transmission speed.D、It regulates the size of each datagram segment.E、All of the above are functions of flow control

多选题On a Cisco network, which of the following modes of flow control are commonly used to mitigate the effects of busy data networks?()ASource Quench.BLearning.CBuffering.DWindowing.ECut-Through.

单选题A store was published based upon the consumer direct model.  After it was published, the store flow was changed and the APPLY PERMANENTLY option was chosen.  The store flow can no longer be changed through the WebSphere Commerce Accelerator because when the APPLY PERMANENTLYoption was chosen:()AThe flow:ifEnabled and flow:ifDisabled tags were commented out of the JSP files. BThe portion of the JSP files that is enclosed within the flow:ifDisabled tags is removed and both the flow:ifEnabled and flow:ifDisabled tags are then removed. CThe portion of the JSP files that is enclosed within the flow:ifDisabled tags is commented out. DThe JSP files are renamed. EThe portion of the JSP files that is enclosed within the flow:ifDisabled tags is commented out and both the flow:ifEnabled and flow:ifDisabled tags are commented out.

单选题Which utility is used to assign a flow of data to a traffic class?()Aip profileBpolicy-listCclassifier-listDrate-limit-profile

单选题What command visualizes the general NetFlow data on the command line?()Ashow ip flow exportBshow ip flow top-talkersCshow ip cache flowDshow mls samplingEshow mls netflow ip

单选题()is not a physical wall but a flow virtual data to protect the computer network.Adata wallBdata channelCdatabaseDfirewall

单选题You design a Business Intelligence (BI) solution by using SQL Server 2008. You create a SQL Server 2008 Integration Services (SSIS) package to perform an extract, transform, and load (ETL) process to load data to a DimCustomer dimension table that contains 1 million rows. Your data flow uses the following components: A SQL Destination data flow task to insert new customers An OLE DB Command transform that updates existing customers On average, 25 percent of existing customer records is updated each night. You need to reduce the amount of time required to update customer records. What should you do?()A Modify the UPDATE statement in the OLE DB Command transform to use the PAGLOCK table hint. B Modify the UPDATE statement in the OLE DB Command transform to use the TABLOCK table hint. C Stage the data in the data flow. Replace the OLE DB Command transform in the data flow with an Execute SQL task in the control flow.D Stage the data in the data flow. Replace the UPDATE statement in the OLE DB Command transform with a DELETE statement followed by an INSERT statement.

单选题Network equipment supporting the use of flow control mechanisms has been recently installed. What is the purpose of flow control in a data network?()AIt ensures that data is retransmitted if an acknowledgment is not received.BIt reassembles segments in the correct order on the destination device.CIt provides a mechanism for the receiver to control the transmission speed.DIt regulates the size of each datagram segment.EAll of the above are functions of flow control