使用掩码25..255.255.24. 划分子网,其可用子网数为(),每个子网内可用主机地址数为()
1.
8.1.
0.
2. 使用掩码2
5..255.255.2
4. 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.
1. 14
B. 1
6.14
C. 2
5. 6
D. 14 62答案:2. 子网掩码为255.255.0.0 ,下列哪个 IP 地址不在同一网段中()A. 1
7..25.15.201B. 172.25.16.15C. 172.16.25.16D. 172.25.201.15答案:
3. 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. 4答案:4. 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. 128答案:5. 三个网段 1
9..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. 192.168.0.0/22答案:6.IP 地址219.25.23.56 的缺省子网掩码有几位?A.8B.16C.24D.32ANSWER:7.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.255.255.255.224答案 8.一台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.10.255.255.255ANSWER:9.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答案 10.与10.110.12.29 mask 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.10.110.12.32ANSWER:11.IP 地址190.233.27.13/16 的网络部分地址是?A.190.0.0.0B.190.233.0.0C.190.233.27.0D.190.233.27.1ANSWER:12.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.125.3.54.32ANSWER:13.一个子网网段地址为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.2.4.172.0ANSWER:14.一个子网网段地址为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.5.63.255.255ANSWER:15.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.150.150.16.0ANSWER:16.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.5,30,6ANSWER:1
7. 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 。答案:1
8. 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 。答案:1
9. 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 。答案:2
0. 网络地址 192.168.1.0/24 ,选择子网掩码为255.255.255.224 ,以下说法正确的是()A. 划分了 4 个有效子网;B. 划分了 6 个有效子网;C. 每个子网的有效主机数是30 个;D. 每个子网的有效主机数是31 个;
E. 每个子网的有效主机数是32 个。答案:21. 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 , 255.255.255.255 ;C. 192.168.12.43 , 255.255.255.128 ;D. 192.168.12.64 , 192.168.12.127 。答案:22. 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。答案:23. 一个子网网段地址为10.32.0.0 掩码为 255.224.0.0 的网络,它允许的最大主机地址是()A. 10.32.254.254 ;B. 10.32.255.254 ;C. 10.63.255.254 ;D. 10.63.255.255 。答案:子网划分专项练习
1. What valid host range is the IP address 17
2.1
6.1
0.
2. 2
5..255.255.2
4. a part of?
A. 172.16.10.20 through 172.16.10.22
B. 172.16.10.1 through 172.16.10.255
C. 172.16.10.16 through 172.16.10.23
D. 172.16.10.17 through 172.16.10.31
E. 172.16.10.17 through 172.16.10.302. What is the broadcast address of the subnet address 172.16.
8.1
5. 255.255.255.192?A. 172.16.255.255B. 172.16.8.127C. 172.16.8.191D. 172.16.8.255
3. What is the broadcast address of the subnet address 192.168.10.33 255.255.255.248?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?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 subnetmask would you assign?A. 255.255.255.252B. 255.255.255.128C. 255.255.255.0D. 255.255.255.192
6. If you are using a Class C network ID with two subnets and need 31 hosts per network, whichof the following masks should you use?A. 255.255.255.0B. 255.255.255.192C. 255.255.255.224D. 255.255.255.248
7. How many subnets and hosts can you get from the network 192.168.254.0/26?A. 4 networks with 64 hostsB. 2 networks with 62 hostsC. 254 networks with 254 hostsD. 1 network with 254 hosts
8. You have the network 172.16.10.0/24. How many subnets and hosts are available?A. 1 subnet with 10 hostsB. 1 subnet with 254 hostsC. 1
9. 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 subnetswith about 500 hosts each?A. 255.255.255.0B. 255.255.254.0C. 255.255.252.0D. 255.255.0.011You have a Class C 19
2.16
8.1
0.0/28 networ
k. How many usable subne
t. and hosts do you have?
A. 16 subnets, 16 hosts
B. 1
4.subnets, 14 hosts
C.
3. subnets, 6 hosts
D. 62 subnets, 2 hosts13. You have the network 192.168.10.0/2
4. How many subnets and hosts are available?A. 1 subnet with 10 hostsB. 1 subnet with 2
5. hostsC. 1
9. subnets with 10 hostsD. 254 subnets with 254 hosts14. You have a 255.255.255.240 mask. Which two of the following are valid host IDs?A. 192.168.10.210B. 192.168.10.32C. 192.168.10.94D. 192.168.10.112
E. 192.168.10.12715. You have a Class B network ID and need about 450 IP addresses per subnet. What is the bestmask for this network?A. 255.255.240.0B. 255.255.248.0C. 255.255.254.0D. 255.255.255.01
7. Which of the following is a valid host for network 192.168.10.32/28?A. 192.168.10.39B. 192.168.10.47C. 192.168.10.14D. 192.168.10.5419. What is the valid host range that host 192.168.10.22/30 is a part of?A. 192.168.10.0B. 192.168.10.16C. 192.168.10.20D. 192.168.0.0