What is the purpose of Hadoop's speculative execution feature?

We usually use feature normalization before using the Gaussian kernel in SVM. What is true about feature normalization?
1. We do feature normalization so that new feature will dominate other
2. Some times, feature normalization is not feasible in case of categorical variables
3. Feature normalization always helps when we use Gaussian kernel in SVM

A

1

B

1 and 2

C

1 and 3

D

2 and 3

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives. "Jim Crow" shuns the mountains for reasons satisfactory to himself; not so the magpie, the raven, and __________ mischief-maker, Clark's nutcracker. All of which keeps the bird-lover from the East in an ecstasy of surprises until he has _____________ accustomed to his changed environment. One cannot help ___________ into the speculative mood in view of the sharp contrasts ______________ the birds of the East and _________ of the West.
One cannot help ___________ into the speculative mood

A

to fall

B

fallen

C

falling

D

fell

What is the purpose of Hadoop speculative execution?

A

To handle speculative workloads

B

To minimize resource usage

C

To mitigate the impact of slow-running tasks

D

To speed up task completion

What is the purpose of the Hadoop speculative execution?

A

To handle speculative workloads

B

To minimize resource usage

C

To mitigate the impact of slow-running tasks

D

To speed up task completion

The results of speculative instruction execution is stored in

A

visible CPU registers

B

permanent memory

C

temporary memory

D

none

Which of the following processors has a speculative execution?

A

80486

B

P1

C

Intel Pentium

D

Pentium pro

Which of the following allows speculative execution?

A

12-way set associative cache

B

8-way set associative cache

C

direct mapped cache

D

4-way set associative cache

In advanced MapReduce, what does the term "MapReduce speculative execution" refer to?

A

Execute multiple Map tasks in parallel

B

Execute a backup task if the original task is slow

C

Execute Map and Reduce tasks simultaneously

D

Execute tasks in a distributed environment

What is speculative execution in Hadoop, and when is it triggered?

A

Executing tasks simultaneously on multiple nodes

B

Re-executing a task when it fails

C

Executing a task multiple times in parallel

D

Running a task on a random node

What does the term "MapReduce speculative execution" refer to in advanced MapReduce?

A

Execute multiple Map tasks in parallel

B

Execute a backup task if the original task is slow

C

Execute Map and Reduce tasks simultaneously

D

Execute tasks in a distributed environment

What is the purpose of Hadoop's speculative execution feature?

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