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Site Reliability Engineer
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Networking
Site Reliability Engineer
Networking questions
9 questions on Networking for site reliability engineers, easiest first.
Easy
3
DNS TTL before a migration
easy
A 503 from the load balancer
easy
Who is using port 8080?
easy
Medium
2
Cannot assign requested address
medium
Catching certificate expiry
medium
Hard
4
DNS failover that did not fail over
hard
Random packet drops on a busy node
hard
Listen queue overflows
hard
A surprise network bill
hard