
IBD2
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Other
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University
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Practice Problem
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Easy
Marina Simionescu
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82 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Caracteristicile unui datacenter pentru stocarea și procesarea volumelor mari de date sunt:
Scalabilitatea
Toleranța la defecte
Capacitatea fixă de procesare.
Eterogenitatea mediilor de stocare
Capacitatea mare de stocare
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SparkSQL traduce comenzile in coduri. Aceste coduri sunt procesate de:
Executor Nodes
Driver nodes
Niciuna dintre cele trei.
Cluster manager
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Indicate the correct statement:
None of the above
Hadoop 2.0 allows real-time data flow processing
In Hadoop, output files are divided into lines or records
Hadoop needs specialized hardware for data processing
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fault tolerance for data warehouses is ensured by:
replicate
scalability
granularity as high as possible
elasticity
atomicitate
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hybrid Cloud model
exposes sensitive data
offers increased capabilities
provides increased resources
limits the user to using a single provider
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
In a Hadoop application we have the following features:
- search time: 10 msec,
- file transfer rate: 100 MB / s,
- additional cost (overhead, search time / block transfer time) is 1%.
What is the block size in HDFS?
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Într-o aplicație Hadoop avem următoarele caracteristici:
- timpul de căutare: 20 msec,
- rata de transfer a fișierului: 200 MB/s,
- cost suplimentar (overhead, timpul de căutare / timpul de transfer de bloc) este 0.1%.
Care este dimensiunea blocului în HDFS?
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