What parts does the URL contain, and what does each part do
A complete URL includes: protocol, domain name /IP, port number, path, query parameters, anchor point.
- agreement
Common protocols are HTTP, HTTPS, FTP and so on
- The domain name/IP
A domain name can be resolved using DNS to obtain an IP address
- The port number
Different port numbers can provide different services, such as http-80, HTTP-443, and FTP-21
- The path
Addresses of different pages in the root directory
- Query parameters
Parameter values to be passed in the page
- The anchor
Page inside the points of the place, fast positioning
Nslookup nslookup nslookup nslookup
DNS resolves domain names into IP addresses.
The nslookup command is used to query DNS records to check whether the domain name is resolved properly. The IP address of the domain name is returned.
What is the function of IP? How does the ping command work
The IP is like an ID card for each server.
Ping is a very useful TCP/IP tool. Its main function is to detect the connectivity of the network and analyze the network speed.
What is a domain name? What are the categories of domain names
A domain name is an alternate name for an IP address. One domain name can correspond to different IP addresses. This is called load balancing to prevent one machine from being overwhelmed.
For example, xiedamala.com, this section is called a domain name, and the right side of the domain name is the top-level domain name.
Common examples are.com for a business organization and.org for a non-profit organization. .gov stands for government agency. .edu stands for educational and research institutions, etc.