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I. PrefaceIi. Basic Knowledge1. What is an IP address?2. What is a fixed IP address?3. What is a dynamic IP address?4. What is a domain name? What makes a domain name?5. What are subdomain names and second-level domain names?6. What is DNS?7. What

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DNS is an application-level protocol, and DNS provides a mechanism for translating a human-readable hostname or domain name into a computer or network-readable digital address, making it possible for the wide application of the interconnection

Original: http://blog.jobbole.com/8027/ Introduction: This article will introduce 20 Web site speed testing tools. Web page performance determines the user experience to a large extent, and ultimately the success of the site can be determined.

To get good rankings on some of the mainstream search engines, such as google,yahoo,bing and so on, as a construction worker outside the chain, we must understand the distribution of their competitors outside the chain. On the basis of fully

Article Description: for page load optimization tools, it's best to have a variety of options (better yet, a variety of free options). But you can use these tools to generate a list of Web site performance enhancements that can be manipulated. If

The request segmentation system is based on the segmented system, and the segmented virtual storage system which is formed by the request function and the segmented permutation function is added. The segmented storage management mode allocation

It is an indisputable fact that the speed of Internet connection in China is not satisfactory, so many netizens work hard to maximize the speed of Internet access. At that time, the network tools and software such as quick CAT whip and NetAnts were

Linux advanced routing, a policy-based route that is more powerful and flexible than traditional routing, can not only forward paths based on destination addresses but also select routing forwarding paths based on message size, application, or IP

The problem is due to anti-spam software, which has been confirmed by Sina that they recently deployed a set of anti-spam systems. By default, the mail server sends its own FQDN name when it makes a helo command to establish a session with a Remote