300-415 Question #235: Real Exam Question with Answer & Explanation

The correct answer is A: vdaemon. The vdaemon component within the vSmart controller is responsible for establishing and maintaining the secure DTLS/TLS connections, which are fundamental for control plane communication in the Cisco SD-WAN fabric.

Architecture

Question

Which component is responsible for creating and maintaining the secure DTLS/TLS connection on the vSmart controller?

Options

Avdaemon
BOMP
CSNMP
DNETCONF

Explanation

The vdaemon component within the vSmart controller is responsible for establishing and maintaining the secure DTLS/TLS connections, which are fundamental for control plane communication in the Cisco SD-WAN fabric.

Common mistakes.

B. OMP (Overlay Management Protocol) is the routing protocol that runs over the secure DTLS/TLS connections, exchanging reachability and policy information, but it does not create the underlying secure tunnels.
C. SNMP (Simple Network Management Protocol) is used for network monitoring, not for establishing secure control plane connections in Cisco SD-WAN.
D. NETCONF (Network Configuration Protocol) is used for programmatic configuration management, but it relies on an underlying secure transport, it does not create the DTLS/TLS connections themselves.

Concept tested. vSmart control plane security components

Reference. https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/install-upgrade-vmanage-vbond-vsmart.html

Topics

#vSmart controller#DTLS/TLS#control plane security#vdaemon

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