CE Cohort 6 Presentation Summary

Your software or mobile app can be tracked with Jira, a ___ tracking tool.

• bug

• data

• software

• none

Answer explanation

Your software or mobile app can be tracked with Jira, a bug tracking tool, enabling efficient management of software issues and defects.

With just a few clicks, you can connect directly to the issues using the ____ provided by JIRA.

• conflic pages

• confluence pages

• conflom pages

• configure pages

Which of the following is TRUE about Jira?

• 1. It is a very effective tool for managing defects.

• 1. Defects/issues are tracked and managed using it.

• 1. Provides a lifecycle process for issues and defects.

• 1. All of the above

Answer explanation

Jira is a comprehensive tool that effectively manages defects, tracks and manages issues, and provides a lifecycle process for issues and defects.

Software releases are ____ using the JIRA bug-tracking tool.

• 1. monitored

• 1. organized

• 1. prioritized

• 1. All of the above

Answer explanation

JIRA is a comprehensive tool used for bug tracking, issue tracking, and project management.

It supports a wide range of functions that are crucial for managing software releases

Which of the following best describes MongoDB?

• Relational database

• Spreadsheet program

• Document-based NoSQL database

• Graph database

Answer explanation

• Document-based NoSQL database: MongoDB falls into this category.
  
  It stores data in a flexible, JSON-like format called BSON (Binary JSON).
  
  Each record in a MongoDB collection is a document, which can have a varying structure, making it ideal for applications that require a dynamic schema.
  
  This flexibility allows for the easy storage and retrieval of hierarchical data, making MongoDB well-suited for modern applications with complex data requirements.

A record in MongoDB is a ___.

• 1. Table

• 1. Document

• 1. Application

• 1. None of the mentioned above

Answer explanation

A record in MongoDB is a document, which is a data structure composed of field and value pairs that represents a single instance of the database.

Documents in MongoDB are similar to JSON objects in appearance.

Other documents, arrays of documents, and arrays of arrays of documents may be used as values in fields.

MongoDB stores documents in ___.

• 1. Store

• 1. Collections

• 1. Indexes

• 1. None of the mentioned above

Answer explanation

MongoDB stores documents in collections.

Collections in relational databases are analogous to tables in a relational database.

A collection is a collection of MongoDB documents that have been grouped together.

Documents within a collection can have a variety of different fields assigned to them. In a relational database system, a collection is equivalent to a table in terms of functionality. Within a single database, there is a collection of items.

What is NoSQL?

• A type of SQL database

• A non-relational database technology that allows for flexible schema design and scalability

• A programming language used to query SQL databases

• None of the above

Answer explanation

NoSQL stands for Not Only SQL or Non-SQL. It refers to a non-relational database technology that provides a flexible schema design and excellent scalability.

NoSQL databases are designed to handle large volumes of unstructured or semi-structured data and are commonly used in big data and real-time web applications.

Which of the following is NOT a benefit of using a NoSQL database?

• Improved performance for large datasets

• Support for complex transactions

• Flexible schema design

• Scalability to handle high volumes of data

Answer explanation

NoSQL databases are known for their flexibility, scalability, and performance with large datasets.

However, they typically do not support complex transactions as relational databases do.

NoSQL databases often sacrifice transactional features for improved read and write performance.

What is a document database?

• A database that stores data in tables with rows and columns

• A database that uses a hierarchical model to organize data

• A database that stores semi-structured data as documents

• A database that models data as objects and their relationships

Answer explanation

A document database, also known as a document-oriented database, is a type of NoSQL database that stores semi-structured data as documents.

Documents in this context are typically JSON or XML files, which can have different structures.

Document databases provide flexible schemas and powerful querying capabilities, making them suitable for applications that need to store and retrieve unstructured or semi-structured data.