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Why is it important to avoid DNS record conflicts in a managed DNS service like Route 53?

hard📝 Conceptual Q10 of 15
AWS - Route 53
Why is it important to avoid DNS record conflicts in a managed DNS service like Route 53?
AConflicts automatically fix themselves over time
BConflicts speed up DNS queries
CConflicts can cause unpredictable DNS resolution and downtime
DConflicts improve security by blocking access
Step-by-Step Solution
Solution:

  1. Step 1: Understand DNS record conflicts

    Conflicting records (e.g., duplicate names with incompatible types) confuse DNS resolvers.

  2. Step 2: Impact on resolution

    This confusion leads to unpredictable results or failure to resolve, causing downtime.

  3. Final Answer:

    Conflicts can cause unpredictable DNS resolution and downtime -> Option C

  4. Quick Check:

    DNS conflicts = unreliable resolution [OK]
Quick Trick: Avoid DNS conflicts to keep resolution stable [OK]
Common Mistakes:
  • Thinking conflicts speed queries
  • Assuming conflicts improve security
  • Believing conflicts self-fix

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