find subnet

Computer Network Class c network is divided into subnets a unit has a class c network 200.1.1, it has four departments, the number of hosts are 72 in Department a, Department B 35, Department c 20, divide 18 hosts in department d into subnets: (1) give a possible subnet division and its subnet mask www.2cto.com (2) if the number of hosts in department d increases to 34, is this solution feasible? What shoul

IP address A, b IP (a) 188.188.0.111 10111100.10111100.00000000.01101111 IP (b) 188.188.5.222　10111100.10111100.00000101.11011110 Mask 255.255.254.0 11111111.11111111.11111110.00000000255.255.254.0 is a subnet mask made up of 23 1, simply speaking, as long as the IP address from the left to the right of the first 23 bits 1 location and the same number of IPs belong to the same network segment, The number from the 24th to the next can be arbitrarily se

1. The subnet mask is the IP reference:Split the network segment with!Like 192.168.0.1 and 192.168.0.2.(1). Subnet mask is 255.255.255.0So 192.168.0.X in the same network segment, can access each other.(2). Hope the Mask is 255.255.0.0So 192.168.x.x in the same network segment, can access each other.2. The default subnet mask for a, B, and C classes should be qui

################### edns-client-subnet ###########wget ftp://ftp.isc.org/isc/bind9/9.9.3/bind-9.9.3.tar.gzTar XF bind-9.9.3.tar.gzCD bind-9.9.3wget Http://wilmer.gaa.st/edns-client-subnet/bind-9.9.3-dig-edns-client-subnet-iana.diffYum-y Install patchPatch-p0 ./configure--without-opensslMakeTest./bin/dig/dig @ns1. google.com www.google.es +client=157.88.0.0/16./bi

Write the code in half yesterday, suddenly thought, before the test is manually input subnet mask, so think how to automatically get the subnet mask, so on Google, found that there is really something, maybe I am more stupid, can not understand other people's Code, Also because the code found rarely commented (this may be the Chinese writing Program habit), so I do not want to see, but how much is still a l

In the actual development, the child thread must not be able to update the UI, but in the test code, we can implement the function of updating the UI in the child thread, for example: a textview in the OnCreate life cycle method FindviewbyidAnd then write a thread, directly to this textview in the online settext, you will find that the miracle unexpectedly happened, actually updated the UI, and the app did not cresh off, suddenly shockedThen each atte

It is known that a network is required to be divided into subnets of the same size.For example, a known NETWORK:192.168.0.0/23 subnet, which lists all the subnet network addresses according to the subnet block B size to be divided:var network = "192.168.0.0";var CIDR = 23;var B = 4;//Subnet block size here for the chan

Full solution D-LINK Switch configuration in the enterprise network VLAN subnet usage, on the D-LINK Switch configuration problems, from the following aspects: from the enterprise network plan four VLAN subnet classification and structure, DES-3326SR Switch configuration process is introduced. The example below gives a detailed explanation. VLAN division should be combined with IP planning so that a VLAN in

-　　Throughout the parsing process. Public DNS in place of the user to the root, top-level domain, authoritative DNS to query the results and return the results to the user, the authoritative DNS server queried is unable to know specifically which user to query, this is also the problem, since can not obtain user IP and how to accurately dispatch the Na? Google has submitted a DNS extension protocol that allows DNS resolver to pass the user's IP address to authoritative DNS server.Second, the agr

An error occurred while adding new nodes to Oracle11gR2RAC -- IP subnet mask system environment: Operating System: RedHatEL5Cluster: OracleGI (GridInfrastructure) Oracle: Oracle11.2.0.1.0: RAC System An error occurred while adding new nodes to Oracle11gR2RAC -- IP subnet mask system environment: Operating System: RedHatEL5Cluster: OracleGI (GridInfrastructure) Oracle: Oracle11.2.0.1.0: RAC System An erro

In this paper, we describe a simple way to implement the subnet mask transformation in Python. Share to everyone for your reference, as follows: In this implementation, the subnet mask length is converted to the specific subnet mask address: def exchange_maskint (mask_int): bin_arr = [' 0 ' for I in range (+)] for I in range (mask_int): bin_arr[i] = '

IP Address Subnet mask calculation, return IP segment start and end range, length, mask and other information. /** * Mask Calculator * @author Weaksun * @param string $ip IP * @param Numeric $bits Mask * @return Array Returns the result set */ function netmask ($ip, $bits = 24) { $result = [ ' Start ' = + 0,//First IP ' End ' = 0,//Last IP ' Length ' = 0,//

Linux generally uses the ifconfig command to modify the IP, gateway, or subnet mask of a Linux host. 1. Command format:ifconfig [Network Devices] [parameters]2. Command function:The Ifconfig command is used to view and configure network devices. This command can be used to configure the network appropriately when the network environment changes. 3. Command parameters:up starts the specified network device/NIC. down to turn off the specified network de

I don't need to analyze it professionally. I use dummies to answer questions. This is a simulated question. Use this question as an example. URL type: Of course, it is Class B. Convert the IP address and subnet mask to binary, and then perform operations on them. 145.189.24.3 10010001 10111101 00011000 00000011 201710000224.0 11111111 11111111 11100000 00000000 Network Address: Calculate the IP address and

To convert a subnet mask to an IP address range, you often need to convert the subnet mask to an IP address range for further computation. the conversion principle and Code are as follows: www.2cto.com is used to divide an IP address into a 'subnet number' and a 'host address' mask format [subnet number: 26bit] host ad

Xubuntu 8.04 i386. Loaded with Dhcp3-server.Error using Sudo/etc/init.d/dhcp3-server start:APR 14:24:03 s Dhcpd:wrote 0 leases to leases file.APR 14:24:03 s DHCPD:APR 14:24:03 S Dhcpd:no Subnet declaration for eth0 (192.168.0.1).APR 14:24:03 S DHCPD: * * Ignoring requests on eth0. If this isn't whatAPR 14:24:03 s dhcpd:you want, please write a subnet declarationAPR 14:24:03 s Dhcpd:in your dhcpd.conf file f

Set the network backbone and the layer-3 Switch required to connect to the subnet. Let's talk about how to set the layer-3 switch. The following three-tier switch settings are indispensable for the network backbone, and the three-tier switch settings for the connection subnet are explained by professionals to ensure you can learn. Three-layer switch settings are indispensable for network backbone To describ

Not much to say, directly on the code.Package Com.ckw.test;import Java.io.BufferedReader; Import java.io.IOException; Import Java.io.inputstreamreader;import Java.util.*;import Java.util.map.entry;public class TestOfSubNetMask {Map The result is:---------------------------------------------------------------Windows IP Configuration host name ............. : DADI primary DNS suffix ........... : node type ............: hybrid IP routing enabled ..........: no WINS agent enabled ... . : No Wireles

;Select Vlan101 's Subnet_172_16_101_0, click ldquo; ADD interfacerdquo; Confirm.650) this.width=650; "Title=" http://7xo6kd.com1.z0.glb.clouddn.com/ Upload-ueditor-image-20161016-1476577996989096287.png "src=" http://7xo6kd.com1.z0.glb.clouddn.com/ Upload-ueditor-image-20161016-1476578053361042296.jpg "alt=" Image627.png "/>Add the vlan100 subnet_172_16_100_0 in the same way.650) this.width=650; "style=" color: #333333; font-family: ' Microsoft Yahei '; Font-size:15px;white-space:normal;float:

Linux (1): linux change IP address command _ change DNS _ change default gateway _ change subnet mask _ host name, linuxdns How to use commands to change the linux IP address, DNS, and subnet mask, and add a Linux virtual machine to the Virtual Machine (vitrualBox; Installation: http://pan.baidu.com/s/1sjJPhP7 After installation, go to the Linux desktop, which is like this: Press CTRL + ALT + F2 to enter