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CISSP study material · question 33 of 500

A network architect is numbering an isolated test range that must stay unroutable on the public internet, and wants only address space set aside for private internets. Four candidate blocks appear in the addressing plan. Which blocks are reserved for private internets? Choose three.

• Network security
• Security architecture

1. 172.16.0.0/12, sixteen contiguous class B blocks
2. 169.254.0.0/16, a single class B block
3. 192.168.0.0/16, 256 contiguous class C blocks
4. 10.0.0.0/8, a single class A block

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