Cisco 100-105 Exam

Which two statements describe the IP address (Choose two.)

  • A. The lowest host address in the subnet is
  • B. The last valid host address in the subnet is
  • C. The network is not subnetted.
  • D. The broadcast address of the subnet is
  • E. The subnet address is
Answer: Option A & D.

The mask (/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 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

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