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8个房间共用一只空气开关，一只空气开关只能允许同时使用6台空调。现有8个房间各安装了一台空调，问

在一天(24小时)内平均每个房间最多可使用空调多少小时？()

A．16小时

B．18小时

C．20小时

D．22小时

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更多“8个房间共用一只空气开关，一只空气开关只能允许同时使用6台空…”相关的问题

第1题

Which layer-function is mostly implemented in a network adapter（）。A.Physical layer and

Which layer-function is mostly implemented in a network adapter（）。

A.Physical layer and link layer

B.Network layer and transport layer

C.Physical layer and network layer

D.Transport layer and application layer

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第2题

● TCP/IP communication protocol contains four layers. From bottom to top, the four layers

are __(71)__.

（71）A．network interface layer, internet layer, transport layer and application layer

B．internet layer, network interface layer, transport layer and application layer

C．network interface layer, transport layer, network interface layer and application layer

D．application layer, transport layer, internet layer and network interface layer

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第3题

TCP/IP communication protocol contains four layers． From bottom to top, the four layers ar

e __（71）__．

A.network interface layer, internet layer, transport layer and application layer

B.internet layer, network interface layer, transport layer and application layer

C.network interface layer, transport layer, network interface layer and application layer

D.application layer, transport layer, internet layer and network interface layer

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第4题

● TCP/IP communication protocol contains four layers． From bottom to top, the four layer

s are __（71）__．

（71）A．network interface layer, internet layer, transport layer and application layer

B．internet layer, network interface layer, transport layer and application layer

C．network interface layer, transport layer, network interface layer and application layer

D．application layer, transport layer, internet layer and network interface layer

点击查看答案

第5题

● TCP/IP communication protocol contains four layers. From bottom to top, the four layers

are __(71)__.

（71）A．network interface layer, internet layer, transport layer and application layer

B．internet layer, network interface layer, transport layer and application layer

C．network interface layer, transport layer, network interface layer and application layer

D．application layer, transport layer, internet layer and network interface layer

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第6题

The Address Resolution Protocol（ARP) is employed at （).A、Network Interface LayerB、Inte

The Address Resolution Protocol(ARP) is employed at ().

A、Network Interface Layer

B、Internetwork Layer

C、Host-to-Host Transport Layer

D、Application Layer

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第7题

Compared to the traditional Layer 2 and Layer 3 system, how does the Cisco Catalyst 6500 VSS1440 simplify the network？（）

A. provides loop-free technology

B. manages additional routing peers

C. provides HSRP/VRRP

D. manages two nodes and configuration

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第8题

The TCP/IP network model differs from the more popular OSI model. Which of the layers below belong to the TCP/IP model？（）

A. application layer

B. session layer

C. transport layer

D. internet layer

E. network layer

F. data link layer

G. physical layer

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第9题

Compared to the traditional Layer 2 and Layer 3 system, how does the Cisco Catalyst 6500 VSS 1440simplify the network？（）

A. provides loop-free technology

B. manages additional routing peers

C. provides HSRP/VRRP

D. manages two nodes and configuration

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第10题

Which of the following options lists the steps in PPP session establishment in the correct order？（）

A. Optional authentication phase, link establishment phase, network layer protocol phase.

B. Network layer protocol phase, link establishment phase, optional authentication phase.

C. Network layer protocol phase, optional authentication phase, link establishment phase.

D. Link establishment phase, network layer protocol phase, optional authentication phase.

E. Link establishment phase, optional authentication phase, network layer protocol phase.

F. Optional authentication phase, network layer protocol phase, link establishment phase.

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