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网络子网划分练习题1

网络子网划分练习题一一、选择题1. 192.168.1.0/24 使用掩码255.255.255.240 划分子网,其可用子网数为(),每个子网内可用主机地址数为()A. 14 14B. 16 14C. 254 6D. 14 622. 子网掩码为255.255.0.0 ,下列哪个IP 地址不在同一网段中()A. 172.25.15.201B. 172.25.16.15C. 172.16.25.16D. 172.25.201.153. B 类地址子网掩码为255.255.255.248 ,则每个子网内可用主机地址数为()A. 10B. 8C. 6D. 44. 对于C 类IP 地址,子网掩码为255.255.255.248 ,则能提供子网数为()A. 16B. 32C. 30D. 1285. 三个网段192.168.1.0/24 ,192.168.2.0/24 ,192.168.3.0/24 能够汇聚成下面哪个网段()A. 192.168.1.0/22B. 192.168.2.0/22C. 192.168.3.0/22D. 192.168.0.0/226.IP 地址219.25.23.56 的缺省子网掩码有几位?A.8B.16C.24D.327.某公司申请到一个C 类IP 地址,但要连接6 个的子公司,最大的一个子公司有26 台计算机,每个子公司在一个网段中,则子网掩码应设为?A.255.255.255.0B.255.255.255.128C.255.255.255.192D.255.255.255.2248.一台IP 地址为10.110.9.113/21 主机在启动时发出的广播IP 是?A.10.110.9.255B.10.110.15.255C.10.110.255.255D.10.255.255.2559.规划一个C 类网,需要将网络分为9 个子网,每个子网最多15 台主机,下列哪个是合适的子网掩码?A.255.255.224.0B.255.255.255.224C.255.255.255.240D.没有合适的子网掩码10.与IP10.110.12.29 掩码255.255.255.224 属于同一网段的主机IP 地址是?A.10.110.12.0B.10.110.12.30C.10.110.12.31D.10.110.12.3211.没有任何子网划分的IP 地址125.3.54.56 的网段地址是?A.125.0.0.0B.125.3.0.0C.125.3.54.0D.125.3.54.3212.一个子网网段地址为2.0.0.0 掩码为255.255.224.0 网络,他一个有效子网网段地址是?A.2.1.16.0B.2.2.32.0C.2.3.48.0D.2.4.172.013.一个子网网段地址为5.32.0.0 掩码为255.224.0.0 网络,它允许的最大主机地址是?A.5.32.254.254B.5.32.255.254C.5.63.255.254D.5.63.255.255(多选)14.在一个子网掩码为255.255.240.0 的网络中,哪些是合法的网段地址?A.150.150.0.0B.150.150.0.8C.150.150.8.0D.150.150.16.015.如果C 类子网的掩码为255.255.255.224,则包含的子网位数、子网数目、每个子网中主机数目正确的是?A.2,2,62B.3,6,30C.4,14,14D.5,30,6(多选)16. 网络地址:172.16.0.0 ,如果采用子网掩码255.255.192.0 ,那么以下说法正确的是()A. 划分了2 个有效子网;B. 划分了4 个有效子网;C. 其中一个子网的广播地址为:172.16.191.255 ;D. 其中一个子网的广播地址为:172.16.128.255 。

(多选)17. 关于主机地址192.168.19.125 (子网掩码:255.255.255.248 ),以下说法正确的是()A. 子网地址为:192.168.19.120 ;B. 子网地址为:192.168.19.121 ;C. 广播地址为:192.168.19.127 ;D. 广播地址为:192.168.19.128 。

18. 一个C 类地址:192.168.5.0 ,进行子网规划,要求每个子网有10 台主机,使用哪个子网掩码划分最合理()A. 使用子网掩码255.255.255.192 ;B. 使用子网掩码255.255.255.224 ;C. 使用子网掩码255.255.255.240 ;D. 使用子网掩码255.255.255.252 。

19. IP 地址:192.168.12.72 ,子网掩码为:255.255.255.192,该地址所在网段的网络地址和广播地址为()A. 192.168.12.32 ,192.168.12.127 ;B. 192.168.0.0 ,255.255.255.255C. 192.168.12.43 ,255.255.255.128 ;D. 192.168.12.64 ,192.168.12.12720. 172.16.10.32/24 代表的是()A. 网络地址;B. 主机地址;C. 组播地址;D. 广播地址。

二、计算题1、某网络192.168.0.X,要划分4个子网,求子网掩码,各自网络地址,有效主机IP范围?2、IP地址为192.168.100.132,子网掩码为255.255.255.192的地址,可以划分多少个子网位,多少个主机位?3、假定一家公司中,目前有4个部门A至E,其中:A部门有50台PC,B部门20台,C 部门30台,D部门15 台,E部门20台,企业信息经理分配了一个总的网网络地址192.168.2.0/24 给你,作为网络管理员,你的任务是为每个部门划分单独的子网段,要求你写出一个IP子网规划报告,你该怎样做?网络子网划分练习题二1. what valid host range is the ip address 172.16.10.22 255.255.255.240 a part of?(在172.16.10.22 255.255.255.240这个网络里,有效ip地址的范围是?)a. 172.16.10.20 through 172.16.10.22b. 172.16.10.1172.16.10.255c. 172.16.10.16 through 172.16.10.23d. 172.16.10.17 through 172.16.10.31e. 172.16.10.17 through 172.16.10.302. what is the broadcast address of the subnet address 172.16.8.159 255.255.255.192? (在172.16.8.159 255.255.255.192这个网络里,广播地址是?)a. 172.16.255.255b. 172.16.8.127c. 172.16.8.191d. 172.16.8.2553. what is the broadcast address of the subnet address 192.168.10.33 255.255.255.248? (在192.168.10.33 255.255.255.248这个网络里,广播地址是?)a. 192.168.10.40b. 192.168.10.255c. 192.168.255.255d. 192.168.10.394. if you wanted to have 12 subnets with a class c network id, which subnet mask would you use?(对一个c类网络,要划分出12个子网,那么,划分后的子网掩码是?)a. 255.255.255.252b. 255.255.255.248c. 255.255.255.240d. 255.255.255.2555. if you need to have a class b network address subnetted into exactly 510 subnets, what subnet mask would you assign?(对一个b类网络进行子网划分,要划分出510个子网,则子网掩码是?)a. 255.255.255.252b. 255.255.255.128c. 255.255.255.0d. 255.255.255.1926. if you are using a class c network id with two subnets and need 31 hosts per network, which of the following masks should you use?(对于一个c类网络,要划分出两个子网,每个子网里有31台计算机,则子网掩码是?)a. 255.255.255.0b. 255.255.255.192c. 255.255.255.224d. 255.255.255.2487. how many subnets and hosts can you get from the network 192.168.254.0/26?(把默认的c类网络划分为192.168.254.0/26,则能获得多少个子网,每子网里有多少主机)a. 4 networks with 64 hostsb. 2 networks with 62 hostsc. 254 networks with 254 hostsd. 1 network with 254 hosts8. you have the network 172.16.10.0/24. how many subnets and hosts are available?(对b类地址进行了划分,划分为172.16.10.0/24,则可用的子网数和主机数是多少?)a. 1 subnet with 10 hostsb. 1 subnet with 254 hostsc. 192 subnets with 10 hostsd. 254 subnets with 254 hosts9. what mask would you assign to the network id of 172.16.0.0 if you needed about 100 subnets with about 500 hosts each?(对于172.16.0.0,如果你需要100个子网,每子网500台主机,则掩码是什么?)a. 255.255.255.0b. 255.255.254.0c. 255.255.252.0d. 255.255.0.010. you have a class c 192.168.10.0/28 network. how many usable subnets and hosts do you have?(现有一个网络id192.168.10.0/28,则有多少可用的子网和主机?)a. 16 subnets, 16 hostsb. 14 subnets, 14 hostsc. 30 subnets, 6 hostsd. 62 subnets, 2 hosts11. you have the network 192.168.10.0/24. how many subnets and hosts are available? (现在网络id为192.168.10.0/24,则有多少可用的子网和主机?)a. 1 subnet with 10 hostsb. 1 subnet with 254 hostsc. 192 subnets with 10 hostsd. 254 subnets with 254 hosts12. you have a 255.255.255.240 mask. which two of the following are valid host ids?(有子网掩码255.255.255.240,则下面哪两个是有效的ip地址?)a. 192.168.10.210b. 192.168.10.32c. 192.168.10.94d. 192.168.10.112e. 192.168.10.12713. you have a class b network id and need about 450 ip addresses per subnet. what is the best mask for this network?(现在一个b类网络,要对其进行划分,要求每个子网里有450台主机,则最合适的子网掩码是?a. 255.255.240.0b. 255.255.248.0c. 255.255.254.0d. 255.255.255.014. which of the following is a valid host for network 192.168.10.32/28?(对于网络192.168.10.32/28,下面哪个ip地址是属于此网络的合法ip地址?)a. 192.168.10.39b. 192.168.10.47c. 192.168.10.14d. 192.168.10.5415. what is the valid host range that host 192.168.10.22/30 is a part of?(现有主机的ip地址192.168.10.22/30,那么,这个ip地址属于下面哪个网络?)a. 192.168.10.0b. 192.168.10.16c. 192.168.10.20d. 192.168.0.0。

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