Solr 101 Cognitive Class Exam Quiz Answers

Related Articles

Creating and Publishing Online Courses with Skills Network Cognitive Class Exam Quiz Answers

January 15, 2024

Analyzing Big Data in R using Apache Spark Cognitive Class Exam Quiz Answers

January 15, 2024

Spark MLlIB Cognitive Class Exam Quiz Answers

January 15, 2024

Enroll Here: Solr 101 Cognitive Class Exam Quiz Answers

Solr 101 Cognitive Class Certification Answers

Module 1 – Search Engines Quiz Answers – Cognitive Class

Question 1: Which of the following statements is NOT correct?

• Solr is written in C# and built around the Apache Lucene search engine.
• When you perform a search in Solr, the index gets searched.
• Solr is a web application running on its own server.
• Solr uses an inverted index that maps tokens to locations.

Question 2: Queries can be analyzed before they are submitted to Solr. True or false?

• False
• True

Question 3: Which of the following options is NOT correct?

• You don’t explicitly have to tell Solr how to read csv files.
• The index in Solr is composed of many documents.
• Each document is composed of many fields.
• Solr handles unstructured documents automatically.

Module 2 – Configuring and Adding Documents to Solr Quiz Answers – Cognitive Class

Question 1: Which file specifies how documents are organized in the index?

• solrconfig.xml
• schema.json
• schema.dat
• schema.xml

Question 2: Fields must be indexed and stored. True or false?

• False
• True

Question 3: Which of the following methods can be used to add a document to Solr?

• Use a client API such as SolrJ.
• Use a data import handler.
• Create a Solr Cell to extract text from formats like PDFs and Word documents.
• Directly make a request to the update URL.
• All of the above

Module 3 – Analyzers Queries Quiz Answers – Cognitive Class

Question 1: Which of the following statements is NOT correct?

• StopFilter removes generally useless words such as “the”, “at”, “and”.
• Analyzers consist of tokenizers and filters.
• StandardTokenizer delimits by whitespace and punctuation, except for periods not followed by whitespace.
• Tokenizers and filters can only be chained together in a specific order.

Question 2: Lowercase filter converts all letters in each token to lowercase without touching non-letters. True or false?

• False
• True

Question 3: Which of the following statements is NOT true?

• Square brackets make the range exclusive, and curly braces are inclusive.
• You can make a query negative by adding a minus symbol prefix.
• You can match multiple values against the same field in a single term.
• If the search string is an asterisk, you won’t necessarily get every document.

Module 4 – Solrj and Customization Quiz Answers – Cognitive Class

Question 1: Which of the following statements is NOT correct?

• SolrJ is the Java client API for Solr.
• SolrJ is not as powerful as update processors and request handlers.
• SolrJ does not manage the configuration of your server.
• SolrJ eliminates the need to manually construct HTTP requests and handle responses.

Question 2: Which location does NOT contain SolrJ dependencies by default?

• solr/example/dist
• solr/dist/solrj-lib
• solr/example/lib/ext
• solr/dist

Question 3: SolrCloud is managed by Apache Zookeeper. True or false?

• False
• True

Solr 101 Final Exam Answers – Cognitive Class

Question 1: The data model in Solr consists of

• Database, Storage, Data
• Index, Row, Column
• Index, Document, Field
• None of the above

Question 2: You have the following field in one of your documents:

title : “Game of Thrones”

The field is defined as follows:

< field name=”title” type=”string” indexed=”true” / >

Which of the following query strings would match the title?

• “Game of Thrones”
• “Thrones”
• “game of thrones”
• All of the above

Question 3: Where are document fields defined?

• Solr web console
• schema.xml
• solrconfig.xml
• None of the above

Question 4: The first step of many Solr projects is to make a copy of the Solr example directory. True or false?

• True
• False

Question 5: The embedded zookeeper server available with Solr is suitable for production. True or false?

• True
• False

Question 6: The best way to index a SQL database is

• Manually
• Apache Tika Extractor
• SolrJ
• Data Import Handler

Question 7: If you want the “title” field of your documents to be searchable, which attribute is necessary?

• indexed=”false”
• stored=”false”
• indexed=”true”
• stored=”true”

Question 8: Where do you specify the set of analyzers that a field will use?

• solrconfig.xml
• The fieldType in schema.xml
• The field in schema.xml
• None of the above

Question 9: Solr is a web server that communicates via HTTP. True or false?

• True
• False

Question 10: How would you configure Solr to automatically generate an “id” field for each document?

• Set primaryKey=”true” in the document field
• Add an Update Request Processor to solrconfig.xml
• No configuration needed – Solr will fill in missing fields by default
• This is not possible

Question 11: How can you add documents to Solr?

• With a client API
• With a Data Import Handler
• Extract with Apache Tika
• Directly via URL
• All of the above

Question 12: Where do you put queries in a Data Import Handler?

• Source tag
• Query tag
• Document tag
• Entity tag

Question 13: You can join a nested entity with its parent entity, just like a SQL JOIN statement. True or false?

• True
• False

Question 14: When you extract from a PDF or Word Document, all of the text is put into a single field called “content”. True or false?

• True
• False

Question 15: How would you search for all documents with a quantity greater than 20 but less than 50?

• quantity:[BETWEEN 20 AND 50]
• quantity:{20 TO 50}
• 20 < QUANTITY > 50
• quantity:[20 TO 50]

Question 16: What is the meaning of the ^ query operator?

• ^ is the “boost” part of the query, increasing its score
• ^ is the Boolean OR operator
• ^ is the Boolean AND operator
• ^ is a wildcard character that matches anything

Question 17: When using a client API like SolrJ, you don’t need to configure schema.xml and solrconfig.xml. True or false?

• True
• False

Question 18: Using SolrJ, how would you connect to collection 1 on your Solr server?

• solr = new HttpSolrServer();
• solr = new HttpSolrServer(“http://localhost:8983/solr”, “collection1” );
• HttpSolrServer.connect(“collection1”);
• solr = new HttpSolrServer(“http://localhost:8983/solr/collection1” );

Question 19: In SolrJ, how do you finalize changes to your index?

• solr.commit();
• solr.end();
• solr.finish();
• None of the above

Question 20: What is a facet query?

• A separate query that provides a summary of data.
• A query run on a subset of the index
• A secondary query that restricts the results of the original query
• None of the above

Introduction to Solr 101

“Solr 101” refers to an introductory or beginner’s guide to Apache Solr, which is an open-source search platform built on Apache Lucene. Solr is designed for indexing, searching, and analyzing large volumes of data quickly and efficiently. Here’s a basic overview:

1. What is Apache Solr?
   • Apache Solr is a search platform built on Apache Lucene. It provides full-text search capabilities, distributed search, faceted search, and more.
2. Key Features:
   • Indexing: Solr allows you to index large volumes of data, making it searchable.
   • Searching: It supports powerful search capabilities, including full-text search, faceted search, and filtering.
   • Scalability: Solr is designed to scale horizontally, making it suitable for handling large datasets and high traffic.
   • Customization: Solr provides various customization options, including the ability to define custom analyzers, filters, and queries.
3. Use Cases:
   • Solr is used in various applications, such as e-commerce platforms, content management systems, data analysis, and more, where efficient and fast search capabilities are required.
4. Components:
   • Core: The basic unit of deployment in Solr, representing a single index.
   • Document: The basic unit of information in Solr, typically corresponding to a record in your data.
   • Query: The request sent to Solr to retrieve information.
   • Schema: Defines the fields and data types in your index.
5. Installation:
   • Solr can be installed as a standalone server or integrated with other applications.
6. Indexing Data:
   • Solr allows you to index data in various formats, such as JSON, XML, and CSV.
7. Searching:
   • Users can execute queries against the indexed data to retrieve relevant information.
8. Faceted Search:
   • Solr supports faceted search, enabling users to drill down into search results based on specific criteria.
9. Filtering:
   • Filtering allows users to refine search results based on predefined criteria.
10. Administration and Monitoring:
    • Solr provides a web-based interface for administration and monitoring, known as the Solr Admin UI.
11. Integration:
    • Solr can be integrated with other applications and frameworks, making it versatile for various use cases.