Oracle
1Z0-997-20 · Question #144
1Z0-997-20 Question #144: Real Exam Question with Answer & Explanation
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Question
You are working on the migration of the web application infrastructure of your company from on- premises to Oracle Cloud Infrastructure. You need to ensure that the DNS cache entries of external clients will not direct them to the on-premises infrastructure after switching to the new infrastructure. Which of the following options will minimize this problem?
Options
- AReduce the TTL of the DNS records after the switch.
- BDNS changes propagate fast enough that it is not necessary to take any action.
- CIncrease the TTL of the DNS records before the switch.
- DIncrease the TTL of the DNS records after the switch.
- EReduce the TTL of the DNS records before the switch.
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