what is dns in networking

What is DHCP DHCP is the English abbreviation of Dynamic Host Configuration protocol, the Chinese name is: The DHCP server Configuration Protocol, the main role is to assign IP address to the computer, the network device that runs the DHCP service

The following is a small series for everyone to collect the "VPN is what" all content, if you like the small series of recommendations, please continue to pay attention to learning. The full name of the VPN is virtual private network, which is the meaning of the fictitious

Socket series What is socket and socket Series1. What is socket?Socket is the intermediate abstraction layer for communications between the application layer and the TCP/IP protocol family. It is a group of interfaces that the app

The following excerpt from Go Web programming is easy to understand.When we browse the Web, we open the browser, enter the URL and press ENTER, then we will show you what you want to see. What is hidden behind this seemingly simple user behavior?For the normal online process, the system

What is a record: the (Address) record is used to specify the IP address record corresponding to the Host Name (or domain name. You can direct the website server under this domain name to your web server. You can also set a subdomain name. In general, a record is the IP address of the server, and a record bound to the

Fci Failover cluster instance of SQL Server TCPIP Transport Control Protocol/internet Protocol. The network protocol used by Microsoft client networks Os/nos Network Operating System WSFC Windows Server Failover Cluster LAN Local Area Network WAN Wide Area Network Dns Domain Name System Dhcp Dynamic H

demonstration using FCI as SQL Server, followed by an AlwaysOn available group setup. The next section describes what you can do with storage in high-availability SQL Server.List of terms: AO (AlwaysOn availability Group) AlwaysOn High Availability Groups FCI (Failover cluster instance of SQL Server) SQL Server Failover cluster instance Tcp / ip Transmission Control Protocol/Internet Interconne

. Query a Web domain name (DNS) on a Dynamic Web page to find the corresponding IP. dynamically generates HTML tables. Quickly create a "customer return" system that allows web surfers to send letters to webmasters from the Web. So that the Web page can record the behavior of Web surfers, that is, log. The 6th chapter to the 13th chapter, we will be very detailed to introduce some very important, very commo

I. Introduction to the HTTP protocol 1. What is an agreement Two people agreed to do the same thing (e.g., housing agreement) 2.HTTP is the agreement of WHO and WHO HTTP protocol is the protocol between browser and server two objects The English name of the 3.HTTP protocol (hypertext Transfer Protocol), which means Hy

students and do more with less. There is really not much to learn about writing code, but it should be individualized. The following points I think are the focus of the distinction: 1. Web Development 2. Non-web development If you are developing the Web, then you need to deal with: –html–css -Route Selection -Database -Server Hosting/DNS -App Structure Obviously there are many things to learn, but most of

What is a two-level domain name? I heard that the application domain name to two domain names, one is with the WWW, one is not with, and heard that no www is a two-level domain name, do not know is this, there

Q: What is a "WINS server"? What's the effect? A: The WINS (Windows Internet Name Service) server is primarily used for NetBIOS name services, which handle NetBIOS computer names (Computer name), and are also called NetBIOS name servers (NBNS, NetBIOS Name Server). The WINS server can register data such as the computer name, IP address,

CDN is the abbreviation of Content Delivery Network, that is the meaning of "contents distribution network". Generally speaking of the Cdn acceleration, generally refers to the Web site acceleration or user download resources accelerated. The basic idea of CDN is to avoid the bottleneck and link that may affect data transmission speed and stability as far as pos

, constantly people will scan the weak password.Generally for security purposes, do not use the default 22 port, disable password logon, and switch to public key login instead. You need to build your own server, set the domain name. SSH account @ AddressThe address can be a domain name, machine name, IP. You said that either is the real domain name, or is the local hosts.For SSH login, and the use of roo

before monitoring the website, we should first understand the basic operation of the Network (web). That is, from the browser to enter the URL to the browser display page, what happened in the process? generally can be divided into the following 7 steps:1, enter the URL in the browser. 2. Send to the DNS server and obtain the IP address of the Web server correspo

in today's network era, rub net believe many friends are not unfamiliar. But have you ever thought of such a problem: routers are hackers rub the net, the user will have what harm? Will he threaten the owner, or will he be able to hack me? or the router is connected by a malicious stranger, what can they do? Today we are going to talk about

What is the same ip site query function? Which of the following Experts knows how the query function is implemented for websites with the same ip address? what is the dns reverse resolution function available in many webmaster too

What is the TCP/IP protocol? This tutorial on TCP/IP is mainly considering that the Internet is almost entirely based on TCP/IP protocol, so what we should understand is what the TCP/

Suppose your name is Tom. You live in a big courtyard. Your neighbors have many friends. At the door, there is another Uncle Li who looks at the door. Uncle Li is your gateway. When you want to play with a friend in the yard, as long as you shout out his name in the yard, he will respond to you when he hears it and runs out to play with you. But you are not a

= 32 time = 79 Ms TTL = 53.The 220.181.31.183 in the middle is the IP address of the domain name. Close all browsers and open them again to test whether the domain name you just added can be accessed normally. If the access is abnormal, follow the 3 steps to check whether the domain name you just set corresponds to the correct IP Address What