FUNDAMENTALS OF COMPUTER

WEB BROWSERS TECHNOLOGY

THE INTERNET

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
IPv6 allows for close to ____ IP addresses.
A
30 undecillion
B
4 billion
C
30 quadrillion
D
4 nonillion
Explanation: 

Detailed explanation-1: -To be exact, it’s 340, 282, 366, 920, 938, 463, 463, 374, 607, 431, 768, 211, 456 (340 undecillion, 282 decillion, 366 nonillion, 920 octillion, 938 septillion, 463 sextillion, 463 quintillion, 374 quadrillion, 607 trillion, 431 billion, 768 million, 211 thousand and 456.

Detailed explanation-2: -IPv6 uses 128-bit addresses as opposed to the 32-bit addresses used by IPv4, allowing for a substantially larger number of possible addresses. With each bit corresponding to a ‘0’ or ‘1’, this theoretically allows 2^128 combinations or 340 trillion, trillion, trillion addresses.

Detailed explanation-3: -The preferred IPv6 address representation is: x:x:x:x:x:x:x:x, where each x is the hexadecimal values of the eight 16-bit pieces of the address. IPv6 addresses range from 0000:0000:0000:0000:0000:0000:0000:0000 to ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff .

Detailed explanation-4: -Format of an IPv6 address In precise terms, an IPv6 address is 128 bits long and is arranged in eight groups, each of which is 16 bits. Each group is expressed as four hexadecimal digits and the groups are separated by colons. An IPv6 address is split into two parts: a network and a node component.

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