1 answer

You are describing the differences between IPv4 (Internet Protocol version 4) and IPv6 (Internet Protocol version...

Question:

You are describing the differences between IPv4 (Internet Protocol version 4) and IPv6 (Internet Protocol version 6) while addressing to a group of high school students attending a technology workshop. Of the following, which are true statements about IPv4 and IPv6 addressing? (Choose two.)

A. The IPv4 address size is 32 bits, and it uses numeral values to indicate addresses.

B. The IPv4 address size is 32 bits, and it uses hexadecimal values to indicate addresses.

C. The IPv6 address size is 128 bits, and it uses numeral values to indicate addresses.

D. The IPv6 address size is 128 bits, and it uses hexadecimal values to indicate addresses.


Answers

IPv4 -- Internet Protocol Version 4

IPv4 (Internet Protocol Version 4) is the fourth revision of the Internet Protocol (IP) used to to identify devices on a network through an addressing system. The Internet Protocol is designed for use in interconnected systems of packet-switched computer communication networks.

IPv4 is the most widely deployed Internet protocol used to connect devices to the Internet. IPv4 uses a 32-bit address scheme allowing for a total of 2^32 addresses (just over 4 billion addresses). With the growth of the Internet it is expected that the number of unused IPv4 addresses will eventually run out because every device -- including computers, smartphones and game consoles -- that connects to the Internet requires an address.

IPv6 -- Internet Protocol Version 6

IPv6 (Internet Protocol Version 6) is also called IPng (Internet Protocol next generation) and it is the newest version of the Internet Protocol (IP) reviewed in the IETF standards committees to replace the current version of IPv4 (Internet Protocol Version 4).

IPv6 is the successor to Internet Protocol Version 4 (IPv4). It was designed as an evolutionary upgrade to the Internet Protocol and will, in fact, coexist with the older IPv4 for some time.

IPv6 is designed to allow the Internet to grow steadily, both in terms of the number of hosts connected and the total amount of data traffic transmitted.

IPv6 is often referred to as the "next generation" Internet standard and has been under development now since the mid-1990s. IPv6 was born out of concern that the demand for IP addresses would exceed the available supply.

While increasing the pool of addresses is one of the most often-talked about benefit of IPv6, there are other important technological changes in IPv6 that will improve the IP protocol:

- No more NAT (Network Address Translation)
- Auto-configuration
- No more private address collisions
- Better multicast routing
- Simpler header format
- Simplified, more efficient routing
- True quality of service (QoS), also called "flow labeling"
- Built-in authentication and privacy support
- Flexible options and extensions
- Easier administration (say good-bye to DHCP)

Difference Between IPv6 and IPv4 IP Addresses

                              An IP address is binary numbers but can be stored as text for human readers. For example, a 32-bit numeric address (IPv4) is written in decimal as four numbers separated by periods. Each number can be zero to 255. For example, 1.160.10.240 could be an IP address.

IPv6 addresses are 128-bit IP address written in hexadecimal and separated by colons.

An example IPv6 address could be written like this: 3ffe:1900:4545:3:200:f8ff:fe21:67cf

The IPv4 address size is 32 bits, and it uses numeral values to indicate addresses.

The IPv6 address size is 128 bits, and it uses hexadecimal values to indicate addresses.

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