Wednesday, November 28, 2018

IP Addresses and DNS

What is a protocol?

It is a well-set know of rules and standards used to communicate between machines.

What is an internet protocol(IP) address?

Is an address of numbers that are unique to each computer and network. A computer address is it internet protocol.

How is it organized hierarchically?

 The four numbers are a country/ network. Then region/network followed by subnetwork/device. Those are divided by subnetwork and the specific device. 

How many bits are in an IPv4 address?

There are 32 bits in an IPv4 address

How many IPv4 addresses does that mean there are?

More than 4 billion unique  address

What is the difference between IPv6 and IPv4?

An IPv6 address is much longer than an IPv4 because there are bits added on to help keep up with the fast pace internet that will keep expanding.

Why do we need IPv6?

The internet is fastly growing and each new computer or network needs there own addresses for another computer to communicate with them or a network.

What is an IP packet?

An IP packet is saying that there are many packages coming behind me to one destination but they will not all take the same route so they send a message to the destination saying what is supposed to arrive.

What is the difference between an IP address and an IP Packet?

An IP packet has many packages coming to one place but an Ip address is how the device or a network is able to communicate or reach information.

What is the purpose of the Domain Name System(DNS)?

The purpose of the DNS is how the computer is able to access the .com, .org, and .net to their own IP addresses. In each DNS server one server can't keep up with every computer so they are many but they have divided it into their own domain. 


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