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nadezda [96]
3 years ago
15

The ability for a protocol or program to determine that something went wrong is known as_________.

Computers and Technology
1 answer:
777dan777 [17]3 years ago
4 0

Answer:

The correct answer to the following question will be Error-detection.

Explanation:

Error-detection: The detection of errors caused during the transmission from the transmitter to the receiver by damage and other noises, known as Error-detection. This error-detection has the ability to resolute if something went wrong and if any error occurs in the program.

There are mainly three types of error-detection, these types can be followed:

  • Automatic Repeat Request (ARQ)
  • Forward Error Correction
  • Hybrid Schemes

There are two methods for error-detection, such as:

  • Single parity check
  • Two-dimensional parity check

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Modify the WordCount program so it outputs the wordcount for each distinct word in each file. So the output of this DocWordCount
stepladder [879]

Answer and Explanation:

package PackageDemo;

import java.io.IOException;

import org.apache.hadoop.conf.Configuration;

import org.apache.hadoop.fs.Path;

import org.apache.hadoop.io.IntWritable;

import org.apache.hadoop.io.LongWritable;

import org.apache.hadoop.io.Text;

import org.apache.hadoop.mapreduce.Job;

import org.apache.hadoop.mapreduce.Mapper;

import org.apache.hadoop.mapreduce.Reducer;

import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;

import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;

import org.apache.hadoop.util.GenericOptionsParser;

public class WordCount {

public static void main(String [] args) throws Exception

{

Configuration c=new Configuration();

String[] files=new GenericOptionsParser(c,args).getRemainingArgs();

Path input=new Path(files[0]);

Path output=new Path(files[1]);

Job j=new Job(c,"wordcount");

j.setJarByClass(WordCount.class);

j.setMapperClass(MapForWordCount.class);

j.setReducerClass(ReduceForWordCount.class);

j.setOutputKeyClass(Text.class);

j.setOutputValueClass(IntWritable.class);

FileInputFormat.addInputPath(j, input);

FileOutputFormat.setOutputPath(j, output);

System.exit(j.waitForCompletion(true)?0:1);

}

public static class MapForWordCount extends Mapper<LongWritable, Text, Text, IntWritable>{

public void map(LongWritable key, Text value, Context con) throws IOException, InterruptedException

{

String line = value.toString();

String[] words=line.split(",");

for(String word: words )

{

Text outputKey = new Text(word.toUpperCase().trim());

IntWritable outputValue = new IntWritable(1);

con.write(outputKey, outputValue);

}

}

}

public static class ReduceForWordCount extends Reducer<Text, IntWritable, Text, IntWritable>

{

public void reduce(Text word, Iterable<IntWritable> values, Context con) throws IOException, InterruptedException

{

int sum = 0;

for(IntWritable value : values)

{

sum += value.get();

}

con.write(word, new IntWritable(sum));

}

}

}

8 0
3 years ago
Kelley is managing a project to deploy the company's new application offering by using a cloud service provider for the platform
Lapatulllka [165]

Answer:

Analyse performance

Explanation:

During the deployment of new services to a certain Platform such as the cloud which is geared towards enhancing scalability which is the ability of platforms to accommodate larger load level are serve an increased number of consumers. These will require these platforms to be Analysed as per performance in other to evaluate them . Through performance analysis, elasticity may need to be tweaked by dynamic rearrangement of the different modules, hardwares in other to ensure that the platform delivers at the required level to serve the increased number of consumers.

3 0
3 years ago
The term used to describe the shape and layout of a computer component such as a motherboard or hard drive is __ factor?
Flauer [41]
FORM factor. Example are ATX, micro ATX, and many more. ATX and MATX are the most common next to servers as well
3 0
3 years ago
Which two approaches optimize test maintenance and support future declarative configuration changes? Choose 2 answers Create a m
patriot [66]

Answer:

B and C

Explanation:

B. Create a method that load valid account records from a static resource, then call this method within test method

C. Create a method that creates valid records, then call this method within test methods

3 0
3 years ago
how could environmental and energy problem Kenya faces as far computer installations are concerned be avoided​
ipn [44]

The environmental and energy problem Kenya faces as far computer installations are concerned can be avoided​ by

  • Knowing and finding out the key aspect of ICT strength.
  • Create an holistic judgements in the assessment of ICT capability. Promote the use of solar power.

<h3>How can we overcome ICT challenges?</h3>

There are a lot of Energy Challenges in terms of ICT  in Kenyan and it is good the government and the people work towards energy in terms of sustainable ICT.

Therefore, The environmental and energy problem Kenya faces as far computer installations are concerned can be avoided​ by

  • Knowing and finding out the key aspect of ICT strength.
  • Create an holistic judgements in the assessment of ICT capability. Promote the use of solar power.

Learn more about computer installations from

brainly.com/question/11430725

#SPJ1

7 0
2 years ago
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