Which organization has defined the five different criteria for cloud computing services?
A) ARIN
B) NIST
C) CSR
D) OCC
B
Explanation: B) The U.S. National Institute of Standards and Technology has defined five different criteria for cloud computing services: on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service.
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An Ease of access icon activates all of the following special-needs options, except _____.
A. changing screen resolution B. magnifying text and objects C. activating an on-screen keyboard D. narrating that reads the screen
Frames in most wired networks hold at most __________.
A. 150 bytes of data B. 1024 bytes of data C. 1500 bytes of data D. 48 bytes of data
You work in the genomics industry and you process large amounts of genomic data using a nightly Elastic Map Reduce (EMR) job. This job processes a single 3 Tb file which is stored on S3. The EMR job runs on 3 ondemand core nodes and four on-demand task nodes. The EMR job is now taking longer than anticipated and you have been asked to advise how to reduced the completion time?
A. Use four Spot Instances for the task nodes rather than four On-Demand instances. B. You should reduce the input split size in the MapReduce job configuration and then adjust the number of simultaneous mapper tasks so that more tasks can be processed at once. C. Store the file on Elastic File Service instead of S3 and then mount EFS as an independent volume for your core nodes. D. Configure an independent VPC in which to run the EMR jobs and then mount EFS as an independent volume for your core nodes. E. Enable termination protection for the job flow.
A ________ is a large collection of information that is larger than a data dictionary.
A) repository B) schema C) data element D) data alias