DevOpsInterviewPrep logo
← Linux, Networking & Scripting / 46
easyNewGoldman SachsJPMorgan ChaseTCS

Where does multicast show up in real ops work, and why does it break the moment you move to the cloud?

VRRP heartbeats, market data feeds, mDNS noise and cluster chatter all ride multicast, and all of it assumes a switched LAN. Why clouds drop it and what replaces it.

Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.

VRRP heartbeats, market data feeds, mDNS noise and cluster chatter all ride multicast, and all of it assumes a switched LAN. Why clouds drop it and what replaces it.

20 answers per topic instead of 10, and your progress kept · no cardor unlock all 390 remaining answers · ₹2,000 / $25
UP NEXT ON YOUR JOURNEY
Popular right nowWhat happens at the kernel level on SIGTERM versus SIGKILL, and why might a container ignore SIGTERM?Popular right nowAt what layer should this load balancer operate? Explain the trade-off between L4 and L7.Popular right nowWhat happens between typing a URL and the page rendering? Go as deep as you can.
DISCUSSION · 0

Nothing here yet. Say how you would answer it.