February 2022
Intermediate to advanced
976 pages
26h 45m
English
The CompTIA Network+ certification exam expects you to know how to
• 1.5 Explain common ports and protocols, their application, and encrypted alternatives
• 1.6 Explain the use and purpose of network services
To achieve these goals, you must be able to
• Analyze and configure early name resolution solutions
• Describe the function and capabilities of DNS
• Use common TCP/IP utilities to diagnose problems with DNS
Every host on the Internet has a unique IP address. Then why do we use names such as www.totalsem.com to access hosts, such as a Web server, instead of an IP address?
Although computers use IP addresses to communicate with each other over a TCP/IP network, people need easy-to-remember names. To resolve ...