A network administrator is assigned the 172.16.0.0/24 block of addresses to use in designing an IP addressing scheme. The administrator submits this design for approval:
- 172.16.0.0/26
- 172.16.0.64/27
- 172.16.0.96/26
- 172.16.0.128/27
What should be the response from the senior network engineer regarding this design?
- This design is flawed because the 172.16.0.96/26 network is not a valid block of addresses.
- This design is flawed because the 172.16.0.96/26 network overlaps with other addresses.
- This design is flawed because no design could have two networks that use a /26 mask and are not consecutive blocks of addresses.
- This design is flawed because the 172.16.0.128/27 network number is invalid.
- This design will work for the branch office.
Explanation: The valid numbers that can be used with a /26 mask include 172.16.0.0/26, 172.16.0.64/26, 172.16.0.128/26, and 172.16.0.192/26.
Exam with this question: Network Addressing and Basic Troubleshooting Final Exam
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