10.5. Exam Essentials
Understand how IP addressing works.
IP addresses are 32-bit addresses written as four octets in dotted-decimal notation, such as 192.168.5.18. To communicate on an IP network, a host also needs a subnet mask, which may look something like 255.255.255.0.
Know what DHCP and DNS do.
On TCP/IP networks, the DHCP server can provide IP configuration information to hosts. A DNS server resolves hostnames to IP addresses.
Understand what bandwidth and latency are.
Bandwidth is the amount of data that can go through a device or cable. For example, Category 3 UTP has a maximum bandwidth of 10Mbps whereas the wireless standard 802.11g supports bandwidth of up to 54Mbps. Latency is how much delay there is between sending a data request ...
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