CompTIA Exam Questions

Which of the following protocols allows for the LARGEST address space?

Which of the following protocols allows for the LARGEST address space?

A.
IPX

B.
IPv4

C.
IPv6

D.
Appletalk

Explanation:
The main advantage of IPv6 over IPv4 is its larger address space. The length of an IPv6 address is 128 bits,
compared with 32 bits in IPv4.
Incorrect Answers:
A: A big advantage of IPX was a small memory footprint of the IPX driver, which was vital for MS-DOS and
Microsoft Windows up to the version Windows 95 because of limited size of the conventional memory.
B: IPv4 has 32-bit addresses, whereas IPv6 has 128 bit addresses.
D: AppleTalk is a proprietary suite of networking protocols developed by Apple Inc.

http://en.wikipedia.org/wiki/IPv6#Larger_address_space
http://en.wikipedia.org/wiki/Internetwork_Packet_Exchange
http://en.wikipedia.org/wiki/AppleTalk