A.Layer one
B.Layer two
C.Layer three
D.Layer four
您可能感興趣的試卷
你可能感興趣的試題
A.Optical fiber
B.Access point
C.Directional antenna
D.Omni-directional antenna
A.Network security
B.Wireless network
C.Content networking
D.Virtual Private Network (VPN)
A.Protecting the business from information outages
B.Optimizing the efficiency with which IT operates
C.An increased need for specialized IT silos
D.IT systems grow fast
A.Synchronizes password exchanges for call setup
B.Eliminates the need for physical cabling in a TCP/IP network
C.Enables two-way voice transmission over a packet-switched TCP/IP network
D.Creates an encrypted tunnel for voice through a Transmission Control Protocol (TCP)/IP network
A.Optical network
B.Digital subscriber line (DSL)
C.Internet Protocol (IP) telephony
D.Wireless local-area network (WLAN)
最新試題
Which cisco product family is the recommended platform for 10 gigabit ethernet in the datacenter?()
What are three common reasons why customers are saying that they need to evolve their datacenter?()
Which tool provides A complete guide that makes it easier for partners, regardless of theirexperience level, to sell cisco unified communications solutions to their customers?()
What are three benefit that the Smart Business Architecture provides to customers?()
Which cisco product portfolio allows users to access their email, voice, and fax messagesfrom A single inbox anytime, anywhere?()
Internet Protocol videoconferencing (IP/VC) provides which two business benefits? ()
Which tool provides A complete guide that makes it easier for partners, regardless of theirexperience level, to sell cisco unified communications solutions to their customers?()
Which network technology addresses these customer business needs: shrinking budgets and ITstaffs, more complex networks, and an increased need for network security?()
The cisco ironport portfolio performs which service?()
What are two appropriate uses for Internet Protocol TV broadcasting (IP/TV) technology? ()