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If you want to configure a wireless setup without replacing existing infrastructure, what is your best option?

  1. Implement WEP

  2. Upgrade to WPA2-AES

  3. Install a new router

  4. Use VPN for security

The correct answer is: Upgrade to WPA2-AES

Choosing to upgrade to WPA2-AES is the best option for configuring a wireless setup without replacing existing infrastructure. WPA2-AES is a security protocol that provides robust encryption, ensuring that data transmitted over the wireless network remains secure. This upgrade can typically be applied to existing wireless access points and routers that are compatible, allowing you to enhance the security of your wireless network without the need to overhaul the entire system. This upgrade is particularly beneficial because it maintains the current hardware while significantly increasing security standards. WEP, for instance, is outdated and vulnerable to attacks, making it an undesirable choice for modern networks. Installing a new router, while potentially beneficial, is not necessary if the goal is to utilize existing infrastructure. Lastly, using a VPN provides security for individual connections, but it does not address the inherent vulnerabilities of the wireless setup itself. Thus, upgrading to WPA2-AES is the most effective and efficient approach in this scenario.