What three data sources can Oracle Data Science draw from?

• A.Azure ObjectStorage Blob
• B.On-premise Oracle database
• C.Google Cloud Object Storage
• D.AWS S3 buckets
• E.Autonomous Data Warehouse

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A customer has decided to use Oracle Cloud Infrastructure (OCI) for theirDisaster Recovery (DR) site for an on-premises Hadoop cluster. They have an RPO of 4 hours, and an RTO of 1 hour.
Which two options should they consider on OCI to meet their DR requirements?

• A.Replicate data to a Hadoop cluster running on OCI in near-realtime.
• B.Use Terraform to rapidly provision Hadoop Cluster on OCI.
• C.Replicate data to OCI Object Storage every hour.
• D.Replicate data to OCI Object Storage in near-realtime.

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Oracle Cloud infrastructure (OCI) Block Volume Storage supportssharing a Block Volume among multiple compute Instances in read/write or read only shareable mode.
Which two file systems should be used to allow multiple compute Instances to read/write data concurrently without any data loss?

• A.Distributed File Systemslike Gluster, OCFS2, GFS2
• B.Parallel File Systems like Lustre, IBM Spectrum Scale(GPFS), BeeGFS, etc.
• C.Network File System (NFS)
• D.Linux File Systems like XFS, EXT4, EXT3, etc.

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On a RDMA cluster, a latency test was conducted, with these results:

What should you do?

• A.Nothing, this behavior is normal.
• B.Report the higher latency through a SR.
• C.Rerun the test and see If It Is consistent.
• D.Latency Is not critical, check the bandwidth.

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Whichis an accurate analogy for Amdahl's law?

• A.An orchestra can only play well together If they have a great conductor.
• B.When chopping vegetable to prepare a 4 person-meal, 2 persons are going twice as fast as one, but 8 people may not be 8 times faster.
• C.In track and field, the 4xl00m relay is only 17% faster than the world record for individual 400m.
• D.There Is no such thing as a free lunch.

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