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Ezonexam is using IP addressing according to RFC 1918. Which three address ranges are used for internal private address blocks as defined by RFC 1918?

多选题
2022-03-15 16:24
A、0.0.0.0 to 255.255.255
B、10.0.0.0 to 10.255.255.255
C、172.16.0.0 to 172.16.255.255
D、172.16.0.0 to 172.31.255.255E. 127.0.0.0. to 127.255.255.255F. 192.168.0.0 to 192.168.255.255G. 224.0.0.0 to 239.255.255.255
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正确答案
BDF
试题解析
B,D,F 解析：Explanation:RFC 1918 defines three different IP address ranges as private, meaning that they can be used by any private network for internal use, and these ranges are not to be used in the Internet. The class A private range is 10.0.0.0 to 10.255.255.255. The class B address range is 172.16.0.0 to 172.31.255.255. The class C private IP address range is 192.168.0.0 to 192.168.255.255.Incorrect Answers:A. The 0.0.0.0 network address is invalid and can not be used.C. The correct address range is 172.16.X.X through 172.31.X.XE. The 127.0.0.1 address is reserved for the internal loopback IP address, but the entire 127.X.X.X range is not defined in RFC 1918 as a private address range for networks.G. This address range describes the class D multicast address range.
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