300-415 Question #352: Real Exam Question with Answer & Explanation

The correct answer is B: DNS. vManage resolves vBond reachability using DNS, allowing the vBond FQDN to be mapped to one or more vBond IP addresses for controller discovery.

Controller Deployment

Question

How is vBond reachability resolved by vManage?

Options

AIPsec
BDNS
CBGP
DOMP

Explanation

vManage resolves vBond reachability using DNS, allowing the vBond FQDN to be mapped to one or more vBond IP addresses for controller discovery.

Common mistakes.

A. IPsec is a tunneling and encryption protocol used for securing data plane traffic, not a mechanism for resolving vBond controller reachability.
C. BGP is a routing protocol used for exchanging routing information between autonomous systems and is not used by vManage to resolve vBond reachability.
D. OMP (Overlay Management Protocol) is used for exchanging routing and policy information within the SD-WAN overlay, not for initial vBond address resolution by vManage.

Concept tested. vBond reachability resolution via DNS in vManage

Reference. https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/system-interface/vedge-20-x/systems-interfaces-book/system-interface.html

Topics

#Cisco SD-WAN#vManage#vBond#DNS resolution#Controller communication

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