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CompTIA Network+ N10-009 Practice Question

Which IPv4 address range correctly defines the scope reserved for Class D multicast addresses?

230.0.0.0 to 239.0.0.0
127.0.0.0 to 127.255.255.255
192.0.0.0 to 223.255.255.255
224.0.0.0 to 239.255.255.255

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Answer Description

Class D addresses are designated for multicast usage and extend from 224.0.0.0 to 239.255.255.255. This range supports multicast groups for applications like streaming media. The incorrect options, though resembling plausible address ranges, do not align with the definition and designated use of Class D addresses. Specifically, 192.0.0.0 to 223.255.255.255 is reserved for Class C addresses and 127.0.0.0 to 127.255.255.255 are loopback addresses, reserved for internal testing on a local machine, not for multicasting.

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