what is dns in networking

first, what is the HTTP protocol The web address we entered in the browser's address bar is called the URL (uniform Resource Locator, Uniform Resource Locator). Just as every household has a home address, every page has an Internet address. When you enter a URL in the browser's address box or click on a hyperlink, the URL determines the address to be browsed. Th

, telecom users can access the telecommunications lines. Netcom users can access the China Netcom line quickly. We call it dual-line server hosting. 2. What is smart dual-line hosting? What are its advantages over dual-line hosting?The smart dual-line service is further optimized in the dual-line service. The best effe

What is LDAP? LDAP is a protocol used to publish directory information to many different resources. Usually it is used as a centralized address book, but it can be more powerful depending on the needs of the organizer. The most basic form of LDAP is a standard way to connect

Tags: localized routing directory service adaptation manual force soccer picture sharingStairs to AlwaysOn Level 1: What is SQL Server AlwaysOn?Perry Whitel, 2016/02/24 (first published: 2014/09/24)The seriesThis article is part of the stair series: Access to AlwaysOn stairsAlwaysOn is a complex set of technologies tha

so on. 2) I want to know where some Web projects are located, the domain name to configure, and where to put the access logs. This is what I need to know. View Nginx Virtual Host configuration, vim and other basic usage. 2, deployment on-line is responsible for the special operations, but on-line, I have to confirm that everything

is recommended that you do not use a password to log on. someone will constantly scan for weak passwords.For security purposes, the default port 22 is not used, and password logon is prohibited. Instead, public key logon is used. You need to set up your own server and domain name. Ssh account @ addressThe address

through the VirtualBox conversion and then sent out, the data receive is also first received by VirtualBox and then forwarded to the virtual host.If you do not understand, you can refer to: http://zh.wikipedia.org/wiki/network address translation.The virtual Host network parameter is obtained by default from the VirtualBox virtual DHCP Ser: IP Address Subnet Mask Gateway

What is the difference between network byte sequence and machine sequence? There are two types of byte sequence: nbo and HBO. Network byte order ):It stores data in a sequence from high to low and uses a unified network byte sequence on the network to avoid compatibility issues. Host byte order (HBO, host byte order ):HBO varies with different machines and is r

What is LDAPLDAP LDAP is a protocol used to publish directory information to many different resources. It is usually used as a centralized address book, but it can be more powerful according to the organizer's needs. The most basic form of LDAP is a standard method for conne

it is faster and more efficient because it is an API. It is faster than ASP and slower than HTML. However, because it can be included on the server, therefore, it is easy to update pages (especially batch update banner and copyright). Imagine that you have an HTML section that involves inserting some special server sc

accordance with their aptitude. I think the following points are the key points of differentiation:1. web development2. non-Web developmentIf you are developing a web application, you need to handle the following issues:-HTML-CSS-Route selection-Database-Server hosting/DNS-App structureObviously there are many things to learn, but most of them are irrelevant to non-Web developers (except for the database and app structure ).However, the current educa

What is a proxy server A Web proxy server is an intermediary entity of a network. The agent sits between the Web client and the Web server and acts as a "middleman" role. The proxy server for HTTP is the Web server and the Web client. Fiddler is a typical agen

Knowing how the Hosts file works, what does it do in specific use?1, speed up the domain name resolutionFor sites that you want to visit frequently, we can configure the domain name and IP mappings in the hosts so that when we enter the domain name computer We can quickly resolve the IP without having to request a DNS server on the network.2. Convenient for local area network usersIn many units of the local

unified way to access different databases, like ODBC, where JDBC shields developers of details, and JDCB access to the database is platform agnostic. Jndi (Java name and directory Interface): The Jndi API is used to perform name and directory services. It provides a consistent model for accessing and manipulating enterprise-class resources such as DNS and LDA

What mail server is better for linux-Linux Enterprise Application-Linux server application information, the following is a detailed description. Recently I want to learn about the mail server in LINUX, but I don't know what to use? Check on the Internet and check whether there are many problems such as postfix, Qmail,

Ldap What is LDAP LDAP is a protocol used to publish directory information to many different resources. Usually it is used as a centralized address book, but it can be made more powerful according to the organizer's needs. The most basic form of LDAP is a standard way to con

What is the working principle of HTTP? How to optimize the HTTP protocol ?, Protocol Working Principle Optimization made by http1.0 Bandwidth: latency has been solved at this stage: 1. browser blocking: the browser can only connect to the same domain name with four connections at the same time. latency: 2. DNS query: The Browser needs to know the IP address of th

used in the third party Python library; 3, understand at least one SQL database (mysql/sqlserver/oracle); 4, love programming, with outstanding code style; 5, the director has a rational, with outstanding self-learning ability, analysis and problem-solving skills. Job Definition: Python data analysis So, let's take a look at the basic requirements of these three posts and what are the similarities and differences. First level: Python's fundamental sy

What is the difference between broadband and ADSL Internet access? With the explosive development of the Internet, commercial applications and multimedia services on the Internet have also been rapidly promoted. To enjoy various services on the Internet, users must access the network in some way. Fiber-to-user FTTH is an inevitable direction for the development o

What is shtml?The HTML file extension of SSI (Server Side Include). SSI (Server Side Include) is usually called "server-side embedding" or "server-side inclusion ", is a server-based web page creation technology similar to ASP.SSI Working principle:Before sending content to a browser, you can use the "server-side inclu