Which of the following is the BEST list of security lifecycle related concerns related to deploying the final design?

A security engineer at a major financial institution is prototyping multiple secure network configurations. The testing is focused on understanding the impact each potential design will have on the three major security tenants of the network. All designs must take into account the stringent compliance and reporting requirements for most worldwide financial institutions.

Which of the following is the BEST list of security lifecycle related concerns related to deploying the final design?
A . Decommissioning the existing network smoothly, implementing maintenance and operations procedures for the new network in advance, and ensuring compliance with applicable regulations and laws.
B . Interoperability with the Security Administration Remote Access protocol, integrity of the data at rest, overall network availability, and compliance with corporate and government regulations and policies.
C . Resistance of the new network design to DDoS attacks, ability to ensure confidentiality of all data in transit, security of change management processes and procedures, and resilience of the firewalls to power fluctuations.
D . Decommissioning plan for the new network, proper disposal protocols for the existing network equipment, transitioning operations to the new network on day one, and ensuring compliance with corporate data retention policies.
E . Ensuring smooth transition of maintenance resources to support the new network, updating all whole disk encryption keys to be compatible with IPv6, and maximizing profits for bank shareholders.

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Answer: A