5.5. Exam Essentials
Understand how DHCP works and its purpose
Dynamic Host Configuration Protocol (DHCP) provides IP configuration information to hosts. It is important to know how a DHCP client requests information from a server, how a server receives this information, and also how the server responds to the client and with what type of information.
Understand how DNS works and its purpose
Domain Name Service (DNS) is used to resolve human names to binary format. Understanding how DNS resolves these names is critical, as is understanding how a DNS query is sent and how a DNS server responds.
Understand the difference between a hub, a switch (bridge), and a router
A hub just connects network segments together. A switch/bridge segments the ...
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