A manufacturing company is planning to migrate their on-premises database to OCI and has hired you for the migration. Customer has provided following information regarding their existing onpremises database:
Database version, host operating system and version, database character set, storage for data staging, acceptable length of system outage.
What additional information do you need from customer in order to recommend a suitable migration method? Choose two

• A.Elapsed time since database was last patched
• B.On-premises host operating system and version
• C.Number of active connections
• D.Data types used in the on-premises database
• E.Top 5 longest running queries

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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?

• A.Reduce the TTL of the DNS records before the switch.
• B.Increase the TTL of the DNS records before the switch.
• C.Reduce the TTL of the DNS records after the switch.
• D.DNS changes propagate fast enough that it is not necessary to take any action.
• E.Increase the TTL of the DNS records after the switch.

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A developer is using Oracle Functions to deploy her code as part of an event-driven solution in Oracle Cloud Infrastructure (OCI). When she invokes her function, Oracle Functions returns a FunctionlnvokelmageNotAvailable message and a 502 error:

Which of the following options is NOT a plausible reason for this error?

• A.OCI Events service rule is not configured with the correct location of the function in OCI Registry.
• B.The VCN being used does not have an internet gateway or a service gateway configured for Oracle Functions to be able to access OCI Registry.
• C.Missing or invalid IAM policy to give Oracle Functions read access to images stored for functions in repositories in OCI Registry.
• D.The function does not exist in the specified location in OCI Registry.

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