搜题

【单选题】

Which WAN technology was designed to give homes and small business high speed digital dial-up service over already existing communication infrastructure?（）

A、X25

B、Frame Relay

C、ATM

D、ISDN

E、ATX

F、None of the above

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更多“Which WAN technology was designed to give homes and small business high speed digital dial-up service over already existing communication infrastructure?（）”相关的问题

第1题

[单选题] A customer asks for help choosing their WAN technology, the customer is looking for A solution that can be used across very long distances, provides QoS and VPN support, and is sensitive to their budgeting needs , which WAN technology would you recommend?（）

A、MPLS B、framerelay C、leaseDline D、metroethernet E、widetransport

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第2题

[单选题] TestKing has five regional offices that are located in different cities. The IT staff is evaluating WAN technologies to interconnect the regional offices to corporate headquarters. Each of the regional offices should be connected to the corporate headquarters in a hub and spoke arrangement using a packet-switched technology. Which of the following WAN technologies will fulfill these requirements?（）

A、Frame Relay B、ISDN C、T1 leased lines D、Wireless

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第3题

[单选题] Which of the following WAN protocols is a packet switching technology?（）

A、Frame Relay B、POTS C、PSTN D、ISDN

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第4题

[单选题] Which of the following WAN protocols is a circuit switching technology?（）

A、ISDN B、SONET C、Frame Relay D、ATM

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第5题

[单选题] Which of the following WAN technologies modulates 24 channels into a 1 5Mbps signal?（）

A、ISDN B、PSTN C、OC-2 D、T1

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第6题

[] A customer asks for help choosing their WAN technology, the customer is looking for A solution that can be used across very long distances, provides QoS and VPN support, and is sensitive to their budgeting needs ,which WAN technology would you recommend?（）

A、A.wide transport B、B.metroethernet C、C.frame relay D、D.leaseD line E、E.MPLS

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第7题

[] Which of the following WAN technologies uses a telephone cable?（）

A、A.POTS B、B.FDDI C、C.SONET D、D.Cable modem

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第8题

[] Which of the following WAN technologies has the GREATEST latency and is not recommended for VoIP?（）

A、A. ISDN B、B. DSL C、C. Satellite D、D. Cable

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第9题

[单选题] The Testking Corporation consists of the head office in New York with its regional offices in: Chicago, Detroit, Philadelphia, Toronto, and Atlanta. These offices need to be connected in a WAN, and Testking wishes to do this via a hub and spoke arrangement that will utilize packet-switched technology.Which one of the WAN technologies below would be the best choice for Testking?（）

A、ISDN B、Wireless C、Frame Relay D、T1 leased line E、ATM F、VPN

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