JNCIA Exam Study Questions and Correct Answers 2026 The Control Plane runs on which Engine? The Forwarding Plane? - Correct Answer Control Plane runs on the Routing Engine. Forwarding Plane runs on the Packet Forwarding Engine. Because software processes

JNCIA Exam Study Questions and Correct Answers 2026 The Control Plane runs on which Engine? The Forwarding Plane? - Correct Answer Control Plane runs on the Routing Engine. Forwarding Plane runs on the Packet Forwarding Engine. Because software processes are compartmentalized, that means? (2 things) - Correct Answer Each runs in own protected memory space; new features can be added with less likelihood of breaking current functionality. In Juniper architecture, what is the primary function of the control plane? - Correct Answer maintain routing intelligence, control and monitor chassis, manage the PFE. In Juniper architecture, what is the primary function of the forwarding plane? - Correct Answer Forward packets and implement advanced services. How is transit traffic processed? - Correct Answer For platforms running JunOS, forwarded through the PFE based on forwarding table installed on the PFE. How is exception traffic processed? - Correct Answer processed locally either by the Routing Engine or by the Packet Forwarding Engine depending on the type of traffic. Which Juniper platforms run JunOS? - Correct Answer These series: M, T, J, MX, EX, SRX What does GRES stand for? - Correct Answer Graceful Routing Engine Switchover. What does NSR stand for? - Correct Answer Nonstop Active Routing. What does ISSU stand for? - Correct Answer Unified in-service softwar upgrades. Name 3 High Availability features. - Correct Answer GRES - Graceful Routing Engine Switchover; NSR - Nonstop Active Routing; ISSU - Unified in-service software upgrades The Control Plane runs on which Engine? The Forwarding Plane? - Correct Answer Control Plane runs on the Routing Engine. Forwarding Plane runs on the Packet Forwarding Engine. Because software processes are compartmentalized, that means? (2 things) - Correct Answer Each runs in own protected memory space; new features can be added with less likelihood of breaking current functionality. In Juniper architecture, what is the primary function of the control plane? - Correct Answer maintain routing intelligence, control and monitor chassis, manage the PFE. In Juniper architecture, what is the primary function of the forwarding plane? - Correct Answer Forward packets and implement advanced services. How is transit traffic processed? - Correct Answer For platforms running JunOS, forwarded through the PFE based on forwarding table installed on the PFE. How is exception traffic processed? - Correct Answer processed locally either by the Routing Engine or by the Packet Forwarding Engine depending on the type of traffic. Which Juniper platforms run JunOS? - Correct Answer These series: M, T, J, MX, EX, SRX What does GRES stand for? - Correct Answer Graceful Routing Engine Switchover. What does NSR stand for? - Correct Answer Nonstop Active Routing. What does ISSU stand for? - Correct Answer Unified in-service softwar upgrades. Name 3 High Availability features. - Correct Answer GRES - Graceful Routing Engine Switchover; NSR - Nonstop Active Routing; ISSU - Unified in-service software upgrades