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按覆盖的地理范围进行分类,计算机网络可以分为三类 ______。A.局域网、广域网与X.25网B.局域网、广

按覆盖的地理范围进行分类,计算机网络可以分为三类 ______。

A.局域网、广域网与X.25网

B.局域网、广域网与宽带网

C.局域网、广域网与ATM网

D.局域网、广域网与城域网

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第1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2题

A customer asks for help choosing their WAN technology, the customer is looking for A solu
tion 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3题

A customer asks for help choosing their WAN technology, the customer is looking for A solu
tion 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.wide transport

B.metroethernet

C.frame relay

D.leaseD line

E.MPLS

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第4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

On the 24th of the twelfth lunar month, the Chinese families give their homes a thorough cleaning, which is called the custom of ______.

A、cleaning ceilings

B、cleaning kitchens

C、cleaning dust

D、cleaning yards

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第6题

The passage supplies information for answering which of the following questions?A.How do t

The passage supplies information for answering which of the following questions?

A.How do the remaining Ganges River dolphins still exist?

B.What is the primary use of the new underwater acoustic technology?

C.Why do Ganges River dolphins make their homes in rivers and lakes?

D.How does the underwater acoustic technology work?

E.Can the new underwater acoustic technology be used in identifying and tracking other species of dolphins?

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第7题

The passage supplies information for answering which of the following questions?A.How do t

The passage supplies information for answering which of the following questions?

A.How do the remaining Ganges River dolphins still exist?

B.What is the primary use of the new underwater acoustic technology?

C.Why do Ganges River dolphins make their homes in rivers and lakes?

D.How does the underwater acoustic technology work?

E.Can the new underwater acoustic technology be used in identifying and tracking other species of dolphins?

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第8题

Computers are designed for use in homes, schools, and office settings.

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第9题

Strategic alliances can be designed to make it difficult (if not impossible) to transfer technology that is not meant to be transferred.
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