南开19春学期（1709、1803、1809、1903）《电子商务英语》在线作

奥鹏作业答案南开19春学期（1709、1803、1809、1903）《电子商务英语》在线作业

试卷总分:100    得分:100

一、 单选题 (共 20 道试题,共 40 分)

1.Firewalls appear primarily in two flavors: application level gateways and ()

A.intranet

B.extranet

C.software

D.proxy servers

正确答案:D

 

 

2.A search engine reads its () of sites and site information around the world for particular items searched on by users.

A.webpage

B.database

C.attachment

D.password

正确答案:B

 

 

3.()is a method to verify the buyer’s identity before payment is authorized..

A.password

B.Authentication

C.profile

D.identity

正确答案:B

 

 

4.Firewalls typically run monitoring () to detect and thwart external attacks on the site, and are needed to protect internal corporate networks.

A.software

B.hardware

C.operation system

D.internet

正确答案:A

 

 

5.the main advantage of the electronic exchange of information between individual companies that are linked along the supply chian is ()

A.speed

B.accuracy

C.security

D.improved speed and accuracy

正确答案:D

 

 

6.() is the financial institution that establishes an account with a merchant and processes payment card authorizations and payments.

A.SET

B.Electronic Wallet

C.An acquirer

D.A payment gateway

正确答案:C

 

 

7.In considering the underlying infrastructure, it is important to keep in mind that () is not the real key.

A.technologys

B.service

C.sales

D.marketing

正确答案:A