Multiple choice

How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a subnet mask of 255.255.248.0?

  1. 30

  2. 256

  3. 2046

  4. 2048

  5. 4094

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The subnet mask 255.255.248.0 corresponds to /21, leaving 11 bits for host addresses. Total addresses = 2^11 = 2048. Usable host addresses = 2048 - 2 = 2046 (subtracting network address and broadcast address). Option C is correct.