IP地址与子网划分练习

1)Whatisthenetworkaddressfortheaddress96.2.3.16(地址96.2.3.16的网络地址是什么)？A.96.2.0.0B.96.2.3.0C.96.0.0.0D.Can’ttell2)Whatclassofaddressis190.233.27.13(190.233.27.13是何类地址)？A.ClassAB.ClassBC.ClassCD.ClassD3)Howmanybitsareinthedefaultsubnetmaskfortheaddress219.25.23.56(在地址219.25.23.56的默认子网掩码中有多少位)？A.8B.16C.24D.324)HowmanyhostsaresupportedbyaClassCnetworkaddress,withoutsubnetting(C类网络地址在没有子网的情况下支持多少个主机)？A.254B.65,000C.255D.16,0005)WhatisthedefaultmaskforaClassBnetwork(B类网络的默认掩码是什么)？A.255.0.0.0B.255.255.255.0C.255.255.0.0.D.255.225.0.06)ApproximatelyhowmanyuniquenetworksarepossiblewithaClassBaddress(使用B类地址大约可以有多少个不相同的网络)？A.254B.16KC.65KD.2M7)Whatisthedecimalvalueofthebinarynumber11001011(二进制数11001011的十进制值是多少)？A.203B.171C.207D.1938)Whatisthebinaryvalueofthedecimalnumber219(十进制数219的二进制值是多少)？A.11101011B.01011101C.11101011D.110110119)Subnetbitsareaddedto____________tosegmentthenetworkintosubnets(子网位加入到____________以将网络划分为子网)？A.ThenetworkaddressB.ThedefaultsubnetmaskC.ThehostaddressD.ThesubnetID10)IfeightbitswereallocatedtosubnettingwithaClassBaddress,howmanysubnetswouldbepossible(如果在B类地址中，将8位分配给子网，则有多少可能的子网)？A.62B.256C.254D.16K11)Giventhesubnetmask255.255.240onaClassAaddress,howmanybitsareallocatedtosubnetting(在A类地址上给定了子网掩码255.255.240，则有多少位分配给子网)？A.4B.5C.9D.1212)Ifthesubnetmaskforthenetwork150.25.0.0is255.255.224.0,whichoftheseisavalidhostaddress(如果网络150.25.0.0的子网掩码是255.255.224.0，下面的哪一个是合法的主机地址)？A.150.25.0.27B.150.25.30.23C.150.25.40.24D.150.25.224.3013)WhatisthefirstsubnetIDforthenetwork25.0.0.0withasubnetmaskof255.192.0.0(带有子网掩码255.192.0.0的网络25.0.0.0的第一个子网ID是什么)？A.25.192.0.0B.25.64.0.0C.25.128.0.0D.25.192.64.014)WhatisthemaximumnumberofsubnetbitspossiblewithaClassCaddress?(在C类地址下，子网位可能的最多数目是多少？)A.6B.8C.14D.1216)Givenasubnetmaskof255.255.240,whichoftheseaddressesisnotavalidhostaddress(在给定子网掩码255.255.240的情况下，这些地址中的哪一个不是合法的主机地址)？A.150.150.37.2B.150.150.16.2C.150.150.8.12D.150.150.49.1517)HowmanyhostspersubnetarepossiblewithaClassBaddress,iffivebitsareaddedtothedefaultmaskforsubnetting(在B类地址中，每个子网有多少可用的主机，如果在默认掩码后加入了5位，以进行子网划分)？A.510B.512C.1022D.204618)IfyouwereissuedaClassCaddress,andneededtodividethenetworkintosevensubnets,withupto15hostsineachsubnet,whatsubnetmaskwouldyouuse(如果你遇到了一个C类地址，并且需要将网络划分为7个子网，每个子网有15个主机，则将使用哪个子网掩码)？A.255.255.255.224B.255.255.224C.255.255.255.240D.NoneoftheAbove24)GivenanIPaddressof125.3.54.56,withoutanysubnetting,whatisthenetworknumber(给定IP地址125.3.54.56，没有任何子网划分，网络编号是什么)？A.125.0.0.0B.125.3.0.0C.125.3.54.0D.125.3.54.3225)Thenetwork154.27.0.0cansupporthowmanyhosts,ifnotsubnetted(在没有划分子网的情况下，网络154.27.0.0可以支持多少个主机)？A.254B.1024C.65,533D.16,777,20627)Whatisthesignificanceoftheaddress3.255.255.255(地址3.255.255.255的含义是什么)？A.ItisahostnumberB.ItisalocalbroadcastC.ItisadirectedbroadcastD.Itisanillegaladdress28)HowmanybitsareinthedefaultsubnetmaskforaClassDnetwork(在D类网络的默认子网掩码中有多少位)？A.8B.16C.24D.None29)Abitpatternof1111leadingthefirstoctetofanaddresswouldimplywhatclassofnetwork(地址的第一个8位位组以1111开头，这暗示哪类网络)？A.ClassAB.ClassBC.ClassCD.ClassDE.ClassE30)Whatisthebinaryequivalentofthedecimal234(十进制234的二进制值是什么)？A.11101010B.10111010C.10111110D.1010111131)Whatisthedecimalequivalentof01011100(01011100的十进制值是什么)？A.96B.92C.84D.15433)Subnettingisachievedbythefollowingactions(子网划分是通过什么进行的)？A.SubtractingbitsfromthedefaultsubnetmaskB.SubtractingbitsfromthenetworkaddressC.AddingbitstothehostaddressD.Addingbitstothedefaultsubnetmask34)Ifweaddfourbitstothedefaultmask,whatisthenumberofsubnetswecandefine(如果我们在默认掩码后面加入了4位，我们可以定义的子网数量有多少)？A.16B.15C.14D.1235)Whatisthemaximumnumberofsubnetbitswecanaddtoadefaultmask(可以对默认掩码加入的最多子网位数是多少)？A.8bitsB.16bitsC.30bitsD.Dependsonaddressclass37)Whatwouldbethesubnetmaskifweadded12subnetbitstoadefaultClassAsubnetmask(如果我们在默认的A类子网掩码中加入了12个子网位，则子网掩码是什么)？A.255.255.255.240B.255.255.240.0C.255.240.0.0D.255.225.224.038)Givenasubnetmaskof255.255.255.0withaClassBaddress,howmanysubnetsareavailable(给定B类地址的子网掩码255.255.255.0，有多少个可以使用的子网)？A.NoneB.254C.16KD.65K40)Inordertoaccommodatesevensubnets,howmanysubnetbitsarerequired(为容纳7个子网，需要多少个子网位)？A.3B.4C.6D.741)IfweincludedsixsubnetbitsinthesubnetmaskforaClassCaddress,howmanyhostswouldeachnetworksupport(如果在C类地址的子网掩码中加入了6个子网位，每个网络可以支持多少个主机)？A.254B.30C.4D.242)Whatclassofaddresswouldwehavetouseifweneeded2,000subnets,withover5,000userseach(如果我们需要2000个子网，每个子网上超过5000个用户，则我们需要何种地址类)。A.ClassAB.ClassBC.ClassCD.ClassD47)Whatisthesubnetmaskforanaddressexpressedas175.25.0.0/24(地址175.25.0.0/24的子网掩码是什么)？A.255.255.0.0B.255.255.255.0C.DependsonaddressclassD.255.255.24.057)ThelengthofanIPaddressis(IP地址的长度是)：A.24bitsB.16bitsC.32bitsD.48bits58)Whichofthefollowingclassesisusedformulticasting(下面的哪一个类用于多点传送)？A.ClassAB.ClassBC.ClassED.Noneoftheabove60)AnIPaddressreservedforloopbacktestis(保留为回路测试的IP地址是):A.164.0.0.0B.130.0.0.0C.200.0.0.0D.127.0.0.061)AnIPaddressusedforlocalbroadcasting(broadcastingtoallhostsonthelocalnetwork)is(用于本地广播(对本地网络上的所有主机进行广播)的IP地址是):A.127.255.255.255B.255.255.255.255C.164.0.0.0D.127.0.0.062)AnIPaddressof100.1.1.1representswhichclassofnetwork(100.1.1.1IP地址表示何类网络)？A.