4. Internetworking Basics Switches can replace the hub, breaking up collision domains. Keep in mind that the hub used in the figure just extended the one collision domain from the switch port.
26. Ethernet Addressing The MAC, or hardware, address is a 48-bit (6-byte) address written in a hexadecimal format.
27. Ethernet at the Physical Layer The IEEE 802.3 and original Ethernet Physical layer specifications.
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31. Rolled Cable Although rolled cable isn’t used to connect any Ethernet connections together, you can use a rolled Ethernet cable to connect a host to a router console serial communication (com) port.
40. Review Question Hub Hub Hub Hub Hub Hub Switch Switch How many collision domains are shown?
41. Which of the hosts can transmit simultaneously without causing collisions? Hub Switch How many collision and broadcast domains are show? A F E D B C