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When implementing a Cisco Integrated Services Router, which feature would you apply to achieve application security?
A. Access control lists
B. Alerts and audit trails
C. Lock-and-key (dynamic access control lists)
D. Context-based Access Control
Correct Answer: D Section: (none) Explanation
Explanation: CBAC intelligently filters TCP and UDP packets based on application-layer protocol session information and can be used for intranets, extranets and the Internet. CBAC is implemented on Cisco IOS routers via the firewall feature set. Without CBAC, traffic filtering is limited to access list implementations that examine packets at the networklayer, or at most, the transportlayer. However, CBAC examines not only networklayer and transportlayer information but also examines the application-layer protocol information (such as FTP connection information) to learn about the state of the TCP or UDP session. This allows support of protocols that involve multiple channels created as a result of negotiations in the control channel. Most of the multimedia protocols as well as some other protocols (such as FTP, RPC, and SQL*Net) involve multiple channels. Reference: http://www.cisco.com/en/US/products/sw/iosswrel/ps1828/ products_configuration_guide_chapter09186a00800 c
Which statement is true about the built-in hardware-based encryption that is included with Cisco Integrated Services Routers?