Cisco ENCOR Cisco ENCOR 350-401 4

Question 1

Which protocol does Cisco TrustSec use to propagate Security Group Tags (SGTs) between network devices?

Accepted Answer

SXP (SGT Exchange Protocol)

Answer

SXP (SGT Exchange Protocol) propagates IP-to-SGT bindings between devices that cannot carry SGT information inline in the data plane.

Question 2

A network runs OSPF with multiple areas. Which LSA type carries summary routes from one area into another through the ABR?

Accepted Answer

Type 3 (Summary LSA)

Answer

Type 3 Summary LSAs are generated by ABRs to advertise inter-area routes between OSPF areas.

Question 3

Which WAN technology uses a control plane separated from the data plane and centralized policy management?

Accepted Answer

SD-WAN

Answer

SD-WAN decouples the control and data planes, using a centralized controller (such as vSmart) to push policies to edge devices.

Question 4

What is the primary function of the Cisco IOS 'ip flow-export' command in a NetFlow deployment?

Accepted Answer

Sends cached flow records to a NetFlow collector

Answer

The ip flow-export command specifies the destination IP, UDP port, and NetFlow version for exporting flow cache records to an external collector.

Question 5

In a DMVPN Phase 3 network, which protocol allows spoke-to-spoke tunnels to form dynamically while still routing through the hub initially?

Accepted Answer

NHRP redirect

Answer

In DMVPN Phase 3, NHRP redirect messages from the hub enable spokes to learn each other's NBMA addresses and build direct spoke-to-spoke tunnels.

Cisco ENCOR Practice Test