How does the Firebox handle IPSec VPN throughput?

The reason the correct response is that the Firebox utilizes dedicated hardware acceleration to ensure optimal performance lies in how Firebox devices are designed to handle the demands of secure communications. Dedicated hardware acceleration means that specific components within the Firebox are explicitly engineered to process encryption and decryption tasks associated with IPSec VPNs. This prevents the performance bottleneck that can occur if these tasks were handled solely by the CPU, which can lead to slower data transmission rates.

By leveraging hardware designed for cryptographic functions, the Firebox can maintain high throughput for VPN connections while ensuring data integrity and security. This is crucial for businesses that rely on VPNs for secure remote access, as it allows them to enjoy efficient connectivity without sacrificing performance.

The other choices present methods that either do not accurately reflect how modern Fireboxes manage VPN throughput or suggest limitations that are not applicable. For example, software-based encryption alone would likely result in lower performance due to relying entirely on the CPU. Throttling bandwidth to maintain connection stability is not a direct method for managing IPSec VPN throughput. Supporting only IPv4 protocols for VPN would significantly limit the functionality and adaptability needed in today's networking environments, where both IPv4 and IPv6 are prevalent. Hence, the effective management of IPSec VPN throughput