A 24/7 utilities outage map must stay available during upgrades. Which combination best reduces downtime?
Select an answer to reveal the explanation.
Short Explanation
Keep the outage map online while you renovate. Rolling deploys swap nodes a few at a time, and feature toggles let you hide a bad feature without yanking the whole site.
Full Explanation
Rolling deployments update instances in batches behind a load balancer, and feature toggles decouple release from feature exposure—together they support continuous availability for 24/7 maps. Fleet-wide weekend stops, simultaneous untested pushes, and removing load balancers increase downtime and risk.