● OSI is a theoretical model that shows how any two different systems can communicate with each other.Router， as a networking device， operate at the __(71)__ layer of the OSI model.

(71)A.transport

B.application

C.network

D.physical

● Most of the host operating system provides a way for a system administrator to manually configure the IP information needed by a host.Automated configuration methods， such as __(72)__， are required to solve the problem.

(72)A.IPsec

B.DHCP

C.PPTP

D.SOAP

● Business intelligence (BI) is the integrated application of data warehouse， data mining and __(73)__.

(73)A.OLAP

B.OLTP

C.MRPII

D.CMS

● Perform Quality Control is the process of monitoring and recording results of executing the Quality Plan activities to assess performance and recommend necessary changes.__(74)__ are the techniques and tools in performing quality control.

①Statistical sampling ②Run chart

③Control charts ④Critical Path Method

⑤Pareto chart ⑥Cause and effect diagrams

(74)A.①②③④

B.②③④⑤

C.①②③⑤⑥

D.①③④⑤⑥

● Plan Quality is the process of identifying quality requirements and standards for the project and product， and documenting how the project will demonstrate compliance.__(75)__ is a method that analyze all the costs incurred over the life of the product by investment in preventing nonconformance to requirements， appraising the product or service for conformance to requirement， and failing to meet requirements.

(75)A.Cost-Benefit analysis

B.Control charts

C.Quality function deployment

D.Cost of quality analysis