考题
●Network (71) has full rights and permissions to all resources on a network.(71) A．userB．guestC．administratorD．owner
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●A( 71) is a dedicated storage network that provides access to consolidated, block level storage. It is primarily used to make storage devices accessible to servers so that the devices appear as locally attached to the operating system.(71) A. network-attached storageB. storage area networkC. direct attached storageD. computer cluster
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A(71)is a functional unit that interprets and carries out instructions．A．memoryB．processorC．storageD．network
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Network(71)has full rights and permissions to all resources on a network.A．userB．guestC．administratorD．owner
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一台路由器运行OSPF路由协议,接口Serial0属于骨干区域,IP地址为10.0.0.1／30,则在该接口使能OSPF的命令是().
A.[Quidway-ospf-1-area-0.0.0.0]network 10.0.0.0B.[Quidway-ospf-1-area-0.0.0.0]network 10.0.0.00.0.0.3C.[Quidway-serial0]osp farea 0 enableD.[Quidway-ospf-1]network 10.0.0.0 255.255.255.252
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●We have already covered the topic of network addresses. The first(71) in a block (in classes A,B,and C) defines the network address. In classes A,B,and C,if the hostid is all ls, the address is called a direct broadcast address. It is used by a (72) to send a packet to all hosts in a specific network. All hosts will accept a packet having this type of destination address. Note that this address can be used only as a (73)address in an lP packet. Note also that this special address also reduces the number of available hostid for each netid in classes A,B,and C.In classes A,B,and C,an address with all Is for the netid and hostid (32 bits) defines a( 74) address in the current network.A host that wants to send a message to every other host can use this address as a destination address in an IP packet. However,a router will block a packet having this type ofaddress to confine the broadcasting to the (75) network. Note that this address belongs to class E.(71) A.datagramB.functionC.addressD.service(72) A.routerB.switchC.hubD.firewall(73)A.sourceB.destinationC.localD.remote(74) A.unicastB.multicastC.broadcastD.anycast(75) A.neighborB.nextC.remoteD.local
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● A （71） is a functional unit that interprets and carries out instructions.（71）A. memoryB. processorC. storageD. network
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3、下面关于导入包正确的是（）。A．package com.chzu.util;B．package com.xsgl.service;C．import com.xsgl.entity.Student;D．import java.util.*;
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下面关于导入包正确的是（）。A．package com.chzu.util;B．package com.xsgl.service;C．import com.xsgl.entity.Student;D．import java.util.*;
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云计算的服务模式包括（）。A．基础设施即服务（Infrastructure-as-a-Service，IaaS）B．平台即服务（Platform-as-a-Service，PaaS）C．软件即服务（Software-as-a-Service，SaaS）D．网络即服务（Network-as-a-Service，NaaS）