The last release of a critical application contained an error that significantly impacted the business.

Poor communication and collaboration slow incident resolution. DevOps emphasizes fast, transparent communication channels between Dev, Ops, and other stakeholders. Implementingchat platforms(e.g., Slack, Microsoft Teams) that integrate with monitoring, alerting, and deployment tools enables:

Real-time collaboration across geographically distributed teams

Immediate sharing of incident context and system data

Faster decision-making and coordinated action

A(alerting more people) risks causing noise without improving targeted response.B(social media) is not secure or appropriate for enterprise incident management.C(self-help tools) benefits end-users but does not address Dev–Ops collaboration.

Thus,Dprovides the most direct and effective improvement in communication for faster incident resolution.