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Instructor
Note |
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This
target indicator introduces two important IP addressing
concepts: dotted decimal notation, and the classification
of parts of the address as "network" numbers and
parts of the address as "host" numbers. Relate
the network numbers to the earlier discussion of
hierarchical addressing, including the analogy to zip
codes. Practicing binary to decimal and decimal to binary
conversions would be appropriate here, using the dotted
decimal notation.
Practice Problems:
- Convert 1101 0101.1100 0011.0000 1111.0101 0101 to
dotted decimal notation.
- Convert 156.1.149.9 to binary notation.
This TI is related to CCNA Certification Exam
Objectives #2, #29, and #36.
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The network number of an IP address identifies the network to which a device is attached. The host portion of an IP address identifies the specific device on that network.
Because IP addresses consist of four octets separated by
dots, one, two, or three of these octets may be used to identify the network number.
Similarly, up to three of these octets may be used to identify the host portion of an IP
address.
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