CCNA FAQ: Variable Length Subnet Masks Q1. Which of the following routing protocols support VLSM? a. RIP-1 b. RIP-2 c. EIGRP d. OSPF Answer: B, C, and D Q2. What does the acronym VLSM stand for? a. Variable length subnet mask b. Very long subnet mask c. Vociferous longitudinal subnet mask d. Vector-length subnet mask e. Vector loop subnet mask Explanation: A. … [Read more...]