Computer Science > QUESTIONS & ANSWERS > University of Portland (Alberta)NETW 245328 Computer Systems Architecture REVISED BY EXPERTS(UPDATED (All)

University of Portland (Alberta)NETW 245328 Computer Systems Architecture REVISED BY EXPERTS(UPDATED 2021)

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Explain the relationships between hardware and network addresses including their use with regards to networking devices and components (P5). Data packets when are being sent they have on them two ad... dresses, basically are the logical (IP) and physical (MAC). Considering that we should know all the media devices have their own NIC (network interface card). As IP addresses the MAC addresses are unique any device on the network cannot have the same address, the MAC address is unique built by the factorie which comes from. Every MAC is made up of 48 bits of data, in overall written as 12 hexadecimal characters. However IP address may change. IPv4 has 32-bit addresses, IPv4 reserves special address blocks for private networks, it depends about the type of ip we are using (class A, class b, class C, class D, class E ). There are some addresses which are reserved for special use such as: - 10.0.0.0/8 private network - 127.0.0.0/8 host- is hundred percent used for loopback address to the local host - 169.254.0.0/16 for subnetting - 192.168.99.0/24 Internet or public IP IP’s usually in LAN’s (local area networks) are set up by the router automatically but in private networks they are set up by the own network admin which created the network. In the other hand we have IPv6 which has been created recently as IPv4 are running out, ipv6 are represented in hexadecimal in eight groups and separated by colors. For example 2001:0db8:0000:0042:0000:8a2e:0370:7334, there are some system which have started to work this type of address such as: windows 10. MAC address is a unique identifier for a NIC, this type of address comes by default from factory and is not easy to change it, but is not impossible there are some software that can help you to do it. A MAC address may include the manufacturer's name, the date when is was created. But all this about MAC addresses and IP’s just happen in devices which are connected to the network either in intranet or internet, does not matter the type of device it could be a fridge which could be connected to the network, the rest of conventional hardware don’t need that type of stuff.Compare common physical and logical networking topologies and explain the differences and purposes of each (M3) First of all we need to define what is ech one: - Physical topology? Physical topology means the physical design, basically how the network is built in real life. - Logical topology? In other hand logical topology shows how data is managed in the netwo [Show More]

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