CompTIA Network+ (N10-009)
FHG University prepares you for this exam on the IT Foundations track. Here are the modules mapped to its published objectives, and the opening of one to read now.
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The modules mapped to it
9 modules · about 2 h 58 min estimated in all
IP Addresses & Subnets — How Devices Actually Find Each Other
Read IPv4 prefixes, identify private address ranges, and separate an address conflict from an unproven symptom.
Addresses and scope
An IP address belongs to an interface in a network scope. A device can have more than one. Ordinary host addresses must not conflict within the relevant network. IPv4 uses 32 bits, usually shown as four octets. IPv6 uses 128 bits.
Private IPv4 ranges are 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16. The middle range runs from 172.16.0.0 through 172.31.255.255; not every address starting 172 is private. These addresses can be routed within private networks but are not globally unique public addresses.
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Preparation means the material maps to the published objectives. It is not a promise of a pass, and CompTIA sets, administers and awards the exam.