Which device serves as the boundary router between SDP and a firewall to control network traffic?

Which device serves as the boundary router between SDP and a firewall to control network traffic?

• A. Perimeter Router
• B. ECN
• C. COOP
• D. JRSS

Answer: (A)

The key idea here is boundary control at the edge of a secure network. A boundary router sits at the interface between the SDP segment and the firewall, acting as the gateway that directs traffic and enforces initial access policies before traffic ever reaches deeper security controls. By routing flows from the SDP enclave toward the firewall and applying basic controls (such as ACLs or segmentation rules), it ensures that only authorized traffic enters the firewall for inspection and protection. This placement and function make it the natural point to manage how SDP-derived traffic is presented to the firewall, providing a clear choke point for policy enforcement and traffic shaping. The other items are not devices that perform this boundary-routing role. ECN is a network congestion notification mechanism, COOP refers to Continuity of Operations planning, and JRSS is a broader DoD security architecture that encompasses multiple components and layers, not a single boundary router device.

The key idea here is boundary control at the edge of a secure network. A boundary router sits at the interface between the SDP segment and the firewall, acting as the gateway that directs traffic and enforces initial access policies before traffic ever reaches deeper security controls. By routing flows from the SDP enclave toward the firewall and applying basic controls (such as ACLs or segmentation rules), it ensures that only authorized traffic enters the firewall for inspection and protection. This placement and function make it the natural point to manage how SDP-derived traffic is presented to the firewall, providing a clear choke point for policy enforcement and traffic shaping.

The other items are not devices that perform this boundary-routing role. ECN is a network congestion notification mechanism, COOP refers to Continuity of Operations planning, and JRSS is a broader DoD security architecture that encompasses multiple components and layers, not a single boundary router device.