Call Log Analysis Output Quiz and Flashcards

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Questions and Answers

What programming model is used for network log analytics in the provided text?

Hadoop

Java

MapReduce (correct)

Python

In which section is a case study on network log analytics discussed?

Analysis 3

Analysis 2

Analysis 4

Analysis 5 (correct)

What time is associated with a 'busy' status in Analysis 3?

'14:05:02'

'11:05:02' (correct)

'10:05:02'

'12:05:02'

How many network log entries are associated with 'sms' in Analysis 5?

2 Signup and view all the answers

Which analysis execution includes 'voice' as a status?

Analysis 4 Signup and view all the answers

At what time does the first entry with a 'failed' status appear in Analysis 2?

'4:05:02' Signup and view all the answers

What is the main aim of call log analytics discussed in the text?

To analyze call log records using MapReduce programming model Signup and view all the answers

Which type of data is considered for call log analytics in the example provided?

Subscriber information Signup and view all the answers

How many instances does the dataset for call log analytics consist of according to the text?

50 instances Signup and view all the answers

What is NOT a feature included in the input file for call log analytics mentioned in the text?

Network speed Signup and view all the answers

Why do telecom operators use call log records according to the text?

For billing purposes Signup and view all the answers

What does the output_path refer to in the context of call log analytics discussed in the text?

Path to store analysis results Signup and view all the answers

What is the primary purpose of MapReduce in Hadoop?

To analyze and process large datasets in a parallel and distributed manner Signup and view all the answers

What is the role of the NameNode in Hadoop's architecture?

To store metadata about the data blocks and their locations Signup and view all the answers

In the context of call log analytics in Hadoop, what change to the MapReduce function would help retrieve the total calls made by a specific phone number?

Modifying the Reduce function to count calls by phone number Signup and view all the answers

What is the output of Analysis 3 in the given text?

'410072821393822' '410072821393841' '410072821393852' Signup and view all the answers

What kind of data processing task does MapReduce focus on?

Batch processing of large datasets Signup and view all the answers

What aspect of Hadoop does Analysis 4 relate to?

Determining user login frequency Signup and view all the answers

Study Notes

MapReduce Analysis

Analysis 1 output: '123456789123411', '123456789123412', '123456789123414', '123456789123415', '123456789123416', '123456789123417', '123456789123418', '123456789123420'
Analysis 2 output: '123456789123416', '123456789123417', '123456789123426', '123456789123427'

Exercises

Describe the workflow of MapReduce in Hadoop
Is the NameNode a fallback for Hadoop? Explain the significance of it with Hadoop's architecture
For the case study of call log analytics in Hadoop, change the MapReduce function to retrieve the total calls made by a particular phone number
Write a MapReduce program considering an input in a specific way to determine certain things

Call Log Analytics

Call log analytics is discussed using MapReduce as an example
The main aim is to analyze call log records using MapReduce programming model
The input file considered for the call log analytics consists of features such as subscriber_phone_number, cell_id, timestamp, call_duration, phone_id, status, and type_of_call
The dataset consists of 50 instances and is initially copied into the HDFS using a specific command
Analysis 2 output: 98869821, 78859821, '5:05:02', 0, 2, 'failed', 'voice'
Analysis 3 output: 98869812, 78859812, '11:05:02', 15, 1, 'busy', 'sms'
Analysis 4 output: 98869801, 78859801, '12:05:02', 15, 1, 'busy', 'voice'
Analysis 5 output: 98869841, 78859841, '12:05:02', 0, 2, 'failed', 'sms'

Network Log Analytics

Network log analytics is discussed using MapReduce programming model
The main aim is to analyze network log records using MapReduce programming model

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Description

Test your knowledge on analyzing call log output data with this quiz. Questions may cover topics such as parsing data, identifying patterns, and drawing insights from call logs.