Huawei Certified Network Professional – Routing and Switching v2 (HCNP-RS) — Question 24

Which is the default network mask length of 219.25.23.56?

Answer options

Correct answer: C

Explanation

The correct answer is C, as 219.25.23.56 falls within the Class C range, which typically uses a default subnet mask length of 24. Options A and B are incorrect because they correspond to Class A and Class B addresses, respectively, while option D represents a host-specific mask, which is not applicable here.