648-247 Sample Questions Answers

You need to design a 31-door, networked Cisco Physical Access Control Gateway system. Each door will be controlled by a Cisco Access Gateway, and each Cisco Access Gateway will require its own IP address. Due to the limited number of available IP addresses, the network admin has decided to implement variable-length subnet mask (VLSM) in order to better allocate the available address space. What is the most efficient subnet mask that can be used to handle the 31 IP addresses that are needed for the Cisco Access Gateways?

How should NTP be implemented in a Cisco Physical Access Control Gateway design?

What are the four main components of a typical logical door?

Refer to the exhibit.

One or more expansion modules is connected to the Cisco Access Gateway via a CAN bus. How should the CAN bus wires be connected after the last module in the chain?