Computer Networking
Which of the following best illustrates the default subnet mask for a class A,B, and C Network?

0.0.0.0, 0.0.0.1, 0.0.1.1
255.0.0.0, 255.255.0.0, 255.255.255.0
255.255.0.0, 255.255.255.0, 255.255.255.255
None of these
255.255.255.0, 255.255.0.0, 255.0.0.0

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Computer Networking
ICMP (Internet Control Message Protocol) is

a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
a protocol that handles error and control messages
a protocol used to monitor computers
None of these
a TCP/IP high level protocol for transferring files from one machine to another

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