You have been tasked with creating a VPC network topology for your company. The VPC network must support both Internet-facing applications and internally-facing applications accessed only over VPN. Both Internet-facing and internally-facing applications must be able to leverage at least three AZs for high availability. At a minimum, how many subnets must you create within your VPC to accommodate these requirements?

Member access specifiers (public and private) can appear:

a. In any order and multiple times. b. In any order (public first or private first) but not multiple times. c. In any order and multiple times, if they have brackets separating each type. d. Outside a class definition.

If a periodic process in the on-board train protection system is used to collect data from the trackside transmitter, how often must it be scheduled to ensure that the system is guaranteed to collect information from the transmitter? Explain how you arrived at your answer.

What will be an ideal response?