CISCO 100-490 Supporting Cisco Routing and Switching Network Devices v3.0 08 24Oct2024 - Practice Quiz

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A network engineer is tasked with configuring a Cisco router to support a new branch office that will connect to the main office via a VPN. The engineer needs to ensure that the router can handle a maximum throughput of 100 Mbps and that it can support up to 50 simultaneous VPN connections. The engineer decides to implement a configuration that includes both IPsec for encryption and GRE for tunneling. Which of the following configurations would best optimize the router\'s performance while ensuring secure and efficient VPN connectivity?

Configure the router to use hardware-based encryption and enable TCP optimization for GRE tunnels.

Use software-based encryption for IPsec and disable TCP optimization to reduce CPU load.

Implement only IPsec without GRE, as it provides sufficient security for the VPN connections.

Set up GRE tunnels without IPsec, relying solely on the underlying network security.

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