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IBD2

Authored by Marina Simionescu

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University

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IBD2
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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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