IT Certification

Cisco in the following three options, Option 1 and Option 2 is the same as the function of the realization, that is, the specific binding of the switch port on the host-specific MAC address (network card hardware address), Option 3 is the specific At the same time, the switch port on the host-specific binding of [...]

The relationship of IP address and MAC address : IP address is under the current IPv4 standard specified, free from restrictions is easier hardware memory address, the length of 4 bytes. The MAC address is the physical address with the network card, stored in the EPROM inside the card, and related hardware, the more difficult [...]