A.collaboration B.digital media C.borderless networks D.cloud computing E.virtualization F.consumerization
多项选择题What are five of the seven layers that are found in the OSI model?()
A.application B.protocol C.session D.transport E.physical F.gateway G.data link
单项选择题Cisco Technical Support Services portfolio provide customers resources that help ensure that Cisco products operate efficiently, remain highly available, and benefit from up-to-date system software. Is it correct?()
A.Yes B.No