多項(xiàng)選擇題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


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2.單項(xiàng)選擇題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

3.單項(xiàng)選擇題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

4.多項(xiàng)選擇題Network management saves time and money by automating which two tasks? （）

A.Configuring changes to hardware and software
B.Monitoring online purchasing
C.Monitoring user access to storage files
D.Monitoring and troubleshooting network devices

5.多項(xiàng)選擇題Which three challenges have been created by the move toward Virtualization in the data center? （）

A.overstaffing
B.management integration
C.coherent policies and security
D.scalability
E.consolidation
F.asset tracking