() is a network of networks that is contained within a company or enterprise.
A.extranet
B.intranet
C.portal
D.HTTP
A.extranet
B.intranet
C.portal
D.HTTP
第1题
A、Direct Network System
B、Domain Name System
C、Dynamic Network System
D、Distributed Network Service
第4题
A.错误
B.正确
第5题
A、错误
B、正确
第8题
B.DDN数字数据网(Digital Data Network)
C.祯中继网(Frame. Relay)
D.ISDN(Integrated Service Digital Network)
第9题
The Food Allergy Network suggests that teachers should be prepared with______.
A.information about allergies for parents
B.plenty of anti-allergy medicine
C.different types of sandwiches
D.an emergency plan for allergy attacks
第10题
A.错误
B.正确