What are two IT infrastructure architecture principles that must be followed when designing a
cloud network infrastructure? (Choose two.)

A.
Wide area networks should be excluded to ensure system isolation.

B.
Always construct networks with three tiers to ensure routing capability.

C.
Design to accommodate shared networks with differentiated service levels.

D.
Networks must scale without adding complexity or sacrificing performance.

E.
Network intrusion detection should always be external to the cloud infrastructure.

Explanation: