Question 1 of 30
In a corporate environment utilizing Cisco Expressway for secure remote access to collaboration tools, a network engineer is tasked with configuring the Expressway to support both on-premises and remote users. The engineer must ensure that the configuration allows for seamless communication while maintaining security protocols. Which of the following configurations would best achieve this goal, considering the need for both SIP and H.323 protocols, as well as the importance of ensuring that the Expressway can handle NAT traversal effectively?
Configure the Expressway to use a single domain for both SIP and H.323, enabling the use of TURN servers for NAT traversal.
Set up separate domains for SIP and H.323, requiring users to switch between them based on their location.
Disable NAT traversal features to simplify the configuration and reduce potential security risks.
Implement a direct connection to the corporate network without using the Expressway for remote users.

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