A customer network consists of several older EOL’d routers, the Cisco 1721 and Cisco 1600 Series. They would like to increase the performance for security applications, and built-in encryption for VPN is required. As the company is smaller, they require integrated Ethernet switching and integrated wireless access point. At the same time, they need more memory for future services like voice. Which new Cisco router they should choose?

A.
Cisco 1800 Series

B.
Cisco 2800 Series

C.
Cisco 3800 Series

D.
Cisco 7200 Series