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It220 Lab 5.2

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Lab 5.2
5.2.1
A MAC address is unique to every NIC because it is a unique identifier assigned to network interfaces for communications on the physical network segment. MAC addresses are used as a network address for most IEEE 802 network technologies. The effect of two different manufactures with the same LAST 24 bits of their MAC address would be nothing. The reason for this is because the first 24 bit would be specific for each individual manufacture and even if the last bits are the same the MAC address will still be different because the first 24 bits are going to be different.

5.2.2
This tab breaks down all the different Network Connection Details. The information that is given in this window is connection specific, description, physical address, DHCP enabled, IPv4 Address, IPv4 Sub Lease obtain, Lease Expires, IPv4 default gateway, DHCP server, DNS server, IPv4 WINS, IPv6 Default gateway, IPv6 DNS server.

5.2.3
The MAC Address for this NIC card is B8-AC-6F-21-E9-EF

5.2.4
B8-AC-6F
Dell Inc,
Dell Inc
One Dell Way, MS RR5-45
Round Rock TX 78748
United States.

5.2.5
IPv4 Address - 10.18.108.103
IPv4 Default Gateway - 10.18.110.1
IPv4 Sub Mask - 255.255.252

5.2.6
The ARP Request and an ARP Replay, these messages allow a simple enchant, with the Request as a question and the Replay as the answer.
"Hey if your IP address is X, tell me your MAC address'
"I am IP address X, and this is my MAC address"

5.2.7
Interface: 10.18.108.103 ---OXD
Internet Address Physical Address Type
10.18.108.225 00-23-ae-77-4e-86 dynamic

5.2.8
Could not do the arp -s on these computers do to the lack of authority. "The ARP Entry addition failed: The requested operation requires elevation."

Lab Review

1. Dynamic entries are added on a "as needed" basis. The benefit of this is that the dynamic entries left in place are considered

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