You are the network consultant from passguide.com. You have been asked for which two features of optical networks allow data to be transmitted over extremely long distances?（）

多项选择题Which three are Cisco architectures?（）

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

单项选择题Which Cisco product is a software component that blocks unwanted connections and provides other gateway security functions for small business?（）

A.Cisco Internetwork Operating System (IOS) Firewall
B.Cisco Secure Access Control Server (ACS)
C.Cisco Firewall Services Module (FWSM)
D.Cisco Private Internet Exchange (PIX) Firewall

单项选择题What is the Cisco collaboration per-person licensing option that simplifies purchasing and provides customers with maximum flexibility?（）

A.Cisco Unified Collaboration Licensing
B.Cisco Unified Communications Software Subscription
C.Cisco Unified Workspace Licensing
D.Cisco User Connect Licensing