CompTIA A+ CertMike: Prepare. Practice. Pass the Test! Get Certified!

CHAPTER 11Advanced Network Configuration : Core 1 Objective 2.6: Compare and contrast common network configuration concepts.

Networks rely on specialized servers to translate IP addresses into URLs, and vice versa, and to assign IP addresses on networks. Networks also use specialized virtual methods to improve security. In this chapter, you will learn what you need to master Core 1, Objective 2.6, including the following:

• DNS
• DHCP
• Virtual LAN
• Virtual private network

DNS

A DNS server performs a variety of functions on a network, including translating friendly URLs like www.wiley.com into IP addresses, providing the URLs of the mail servers that receive email addresses for a particular domain name, and storing text and machine-readable ...