5
93
177
229
Which two statements are true of a network mask?（）A、A subnet mask specifies the portion of an IP address that is in a binary format.B、A subnet mask specifies the portion of an IP address that is in a decimal format.C、A subnet mask specifies the portion of an IP address that represents a network prefix.D、A subnet mask specifies the portion of an IP address that represents network hosts.
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What represents the decimal equivalence of 11100101?（）A、5B、93C、177D、229
单选题What represents the decimal equivalence of 01101110?（）A 90B 96C 110D 118
单选题What do the entries in the /proc directory represent？（）A They are the decimal numbers corresponding to the active process IDs.B They are the decimal numbers corresponding to the gid of the system group.C They are the decimal numbers corresponding to the block IDs of the boot sector.D They are the decimal numbers corresponding to the inodes of the system directories.
单选题What represents the binary equivalence of96.6.231.148?（）A 10101000 11001000 10101001 10101001B 01010000 00010110 11010101 10100110C 01100000 00000110 11100111 10010100D 01100100 00100101 11100100 10010111
单选题What represents the decimal equivalence of 10101100 00011111 11001001 11000101? （）A 172.28.187.189B 172.31.201.197C 172.30.231.182D 172.19.151.107
多选题Which two statements are true of a network mask?（）AA subnet mask specifies the portion of an IP address that is in a binary format.BA subnet mask specifies the portion of an IP address that is in a decimal format.CA subnet mask specifies the portion of an IP address that represents a network prefix.DA subnet mask specifies the portion of an IP address that represents network hosts.
