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Exam N10-009 All Questions
Exam N10-009 All Questions

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CompTIA Network+ N10-009 Question # 455 Topic 46 Discussion

N10-009 Exam Topic 46 Question 455 Discussion:
Question #: 455
Topic #: 46

An administrator needs to configure an IoT device with a /21 subnet mask, but the device will only accept dotted decimal notation. Which of the following subnet masks should the administrator use?


A.

255.255.224.0


B.

255.255.240.0


C.

255.255.248.0


D.

255.255.252.0


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