Download Passguide Ccna Hotspot 2_ Topology Question. CCNA Training » CCNA – Subnetting. Here you will find answers to CCNA Subnetting Questions Note: If you are not sure about subnetting, please read my Subnetting tutorial. Question 1 Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts? (Choose three) RSTP DUMP QUESTION.