Exam 100-101 Topic 3 Question 4 Discussion

Actual exam question for Facebook's 100-101 exam
Question #: 4
Topic #: 3
Which two statements describe the IP address 10.16.3.65/23? (Choose two.)

Suggested Answer: B,D Vote an answer

The mask 255.255.254.0 (/23) used with a Class A address means that there are 15 subnet bits and 9 host bits. The block size in the third octet is 2 (256 - 254). So this makes the subnets in 0, 2, 4, 6, etc., all the way to 254. The host 10.16.3.65 is in the 2.0 subnet. The next subnet is 4.0, so the broadcast address for the 2.0 subnet is 3.255. The valid host addresses are
2.1 through 3.254

by Freda at Feb 05, 2025, 04:44 AM

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