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Solr 101 Cognitive Class Exam Quiz Answers

Solr 101 Cognitive Class Certification Answers

Solr 101 Cognitive Class Exam Quiz Answers

Question 1: 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.

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

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.

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

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.

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