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domain is a separate LAN (local area network) on an Ethernet switch) segments are directly related. A broadcast domain provides an important function because it is a place where devices on the network communicate with other devices through MAC addresses. MAC addresses are not routed through multiple subnetworks, and MAC addresses are unique across the Internet. MAC address-based communication is only limited to small-scale networks. Because they rely on ARP broadcast to
white horse?2. Careful people may find that the subnet mask is the same for dividing 4 subnets, 5 subnets and 6 subnets, and the same as the subnet mask, is it wrong? Should the three subnet masks be different? Well, this is the case. Because the binary values of and 6 are 3, the three digits in the
find that the subnet mask is the same for dividing 4 subnets, 5 subnets and 6 subnets, and the same as the subnet mask, is it wrong? Should the three subnet masks be different? Well, this is the case. Because the binary values of and 6 are 3, the three digits in the subnet
number of hosts identified by the six subnets will be less than 254. Please note that! Q:1. you may have such questions. For example, in the above example, the binary value of 6 is 110, so why do we need to set the positions corresponding to the first n digits of the host number in the subnet mask to 1, instead of replacing the first n digits with the binary 110 of 6?The answer is: What is the purpose of the subn
. Well, this question is very good, the answer is this: we calculate the subnet mask what is the purpose. is to be able to parse out the network number when doing ' and '. That is to say, the location of the network number should be 1 (including, of course, the location corresponding to the subnet number), then obviously, you write 110 is not correct, if you write this, then it means the first two digits o
do we need to set the positions corresponding to the first n digits of the host number in the subnet mask to 1, instead of replacing the first n digits with the binary 110 of 6? The answer is: What is the purpose of the subnet mask calculation? It is hoped that it will be able to parse the network number when doing "and, that is to say, the location corresponding to the network number should be 1 (of cours
number can be resolved, that is, it and the network number corresponds to the location should be 1 (of course, including the sub-network number corresponding to the location), then it is obvious that you write 110 is not right, if you write so, then it is the first two of the host number as the subnet number, So this will be divided by up to 2 subnets (not sure, there is a way to calculate the number of subnets below), and we originally wanted to div
into two levels: network address and host address, while the latter is divided into multiple levels. The subnet mask can only be divided at two levels, resulting in the same IP address: 67.101.121.131. Its subnet mask may be 255.0.0.0 or 255.255.0.0, it may also be another value. Therefore, when a given IP address, especially the public IP address, does not know the su
the network number when doing "and, that is to say, the location corresponding to the network number should be 1 (of course, including the location corresponding to the subnet number). Obviously, it is wrong to write 110, if you write this statement, it means that the first two digits of the host number are used as the subnet number. In this way, a maximum of two subnets can be divided, the following descr
course, including the location corresponding to the subnet number). Obviously, it is wrong to write 110, if you write this statement, it means that the first two digits of the host number are used as the subnet number. In this way, a maximum of two subnets can be divided, the following describes how to calculate the number of subnets). It is obviously different from the six subnets we originally divided. I
Also Talk About subnet division and subnet Communication 1. network IP address and subnet mask classification: Class A: IP: 0.0.0.0-127.255.255.255.255.255 subnet mask: 255.0.0.0 or labeled as/8 (8 1) Class B: IP: 128.0.0.0-191.255.255.255 subnet mask: 255.255.0.0 or/16 (16
④ 2017100000000248 ⑤ 6 ① 33 ~ 64 ② 6 ③ 11111111.111111.111111.11111100 ④ 255.255.255.255.252 ⑤ 2 in the class C network shown in the table above, if the subnet occupies 7-bit host space, only one host space is left, whether set to 0 or 1, it means that the host bit is all 0 or all 1. Because the host bit 0 represents the current network, and all 1 is reserved as the broadcast address, the subnet actually d
.5.63.255.255Analysis: first, we can find that the network bit is 11 bits and the host bit is 21 bits. The maximum address is 5.63.20.254 because the host space of all 1 cannot be allocated. The answer is C. 15. In a network with a subnet mask of 255.255.255.240.0, what are valid network segment addresses?A.150.150.0.0B .150.150.0.8C.150.150.8.0D.150.150.16.0Analysis: first, we can determine from the four C
an Ethernet switch) segments are directly related. A broadcast domain provides an important function because it is a place where devices on the network communicate with other devices through MAC addresses. MAC addresses are not routed through multiple subnetworks, and MAC addresses are unique across the Internet. MAC address-based communication is only limited to small-scale networks. Because they rely on ARP broadcast to find routes, the number of b
The subnet mask cannot exist alone, it must be used in conjunction with an IP address. The subnet mask has only one function, which is to divide an IP address into two parts: network address and host address.The subnet mask setting must follow certain rules. The same as the IP address, the length of the subnet mask is
Python: a simple method for converting the subnet mask and a python Subnet Mask This article describes how to convert the subnet mask in Python. We will share this with you for your reference. The details are as follows: Here, the subnet mask length is converted to a specific sub
As for subnet division, the subnet mask is odd. 1.0.1.0 -- 1.0.3.255 Fujian Telecom converts the subnet mask to an IP segment 1.0.1.0/24--1.0.2.0/23, if two IP addresses are replaced by binary IP addresses in a general way, or the budget is 0001.00000000.00000001.00, the subnet mask may be odd. 1.0.1.0 -- 1.0.3.255 Fuj
the subnet, you must mention the network ID code and subnet mask. Only in this way can you determine the actual size of the network.If you wantSend it to all devices in the subnet (for example, group broadcast) and send it to the broadcast address. In the later part of this article, I will show you a simple way to easily determine the
Returns information such as Network, mask, broadcast, reverse resolution, subnet number, IP type, etc. based on the IP or subnet enteredModule required for IPY module here is the Python3 version#!/usr/bin/envpython#-*-coding:utf-8-*-fromipyimportipip_s= input (' pleaseinputanipornet-range: ') # Parameters are IP or network segment Ips=ip (ip_s) Iflen (IPs) >1: #网络地址个数 print (' net:%s ' %ips.net ()) #输出网络地
telecommunications Department for help, do not solve the problem now? So the network administrator decides to look up the problem from itself, If there's no reason to find out, it is also not too late to repair the network fault to the telecommunication department. After taking the notice, the network administrator inspected the head office of the server, the router, and the other subsidiaries of the network administrators to carry out the test, afte
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