Online Access Free H13-622-ENU Practice Test

Which of the following statements about InfoRevive is correct?

• A.After the read fault tolerance mode is enabled, if the number of failed nodes or disks exceeds the configured upper limit, all the damaged video file data can be recovered.
• B.After the read/write fault tolerance mode is enabled, if the number of failed nodes or disks exceeds the configured upper limit, a specific proportion of damaged video file data can be recovered and data can still be written to the video file.
• C.InfoRevive ensures continuous availability of video surveillance services when the number of failed nodes or disks exceeds the upper limit.
• D.InfoRevive is applicable not only to video surveillance scenarios, but also to TV stations and other media and assets industries.

Which of the following are the APIs supported by HDFS Plugin? (Multiple Choice)

• A.Java API
• B.Shell API
• C.HTTP REST API
• D.API

When the communication between MDC and OSD is interrupted or the OSD is faulty, the OSD exits the storage pool. Then the OSD out-of-service alarm is reported.
Which of the following are the possible causes of this fault? (Multiple Choice)

• A.The OSD software is abnormal.
• B.A storage network exception occurs.
• C.The disk in the server that houses the OSD is faulty.
• D.The NVDIMM in the server that houses the OSD is faulty.

After the Hadoop service is interconnected with the OceanStor 9000 through the HDFS API, what data redundancy and protection mechanism is adopted?

• A.Cubic RAID
• B.Duplicate mechanism
• C.RAID 2.0+
• D.Erasure Code

Which are big data's characteristics defined by IDC? (Multiple Choice)

• A.Variety
• B.Velocity
• C.Volume
• D.Value