🗃️ Data and Database Fundamentals - TECHPLUS Practice Questions

Study the value of data, database concepts: relational vs non-relational, queries, data management, and backup methods.

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TECHPLUS Data & Databases Question Bank (9 Questions)

Browse all 9 practice questions covering Data and Database Fundamentals for the TECHPLUS certification exam. Answers are intentionally hidden on this page so you can self-test first before checking results in quiz mode.

  1. Question 1Data & Database Fundamentals

    What is a primary key in a relational database?

    AA field that allows duplicate values
    BA unique identifier for each record in a table
    CThe first column in every table
    DA password used to access the database

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  2. Question 2Data & Database Fundamentals

    Which of the following is a characteristic of NoSQL databases?

    AThey require a fixed schema for all data
    BThey only support SQL query language
    CThey offer flexible schemas and can store unstructured data
    DThey cannot scale horizontally

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  3. Question 3Data & Database Fundamentals

    What is a foreign key in a relational database?

    AA key used for encryption
    BA field in one table that references the primary key of another table
    CAn automatically generated row number
    DThe main index of a database

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  4. Question 4Select All That ApplyData & Database Fundamentals

    Which of the following are types of NoSQL databases? (Choose two.)

    ADocument store
    BRelational table store
    CKey-value store
    DSpreadsheet store

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  5. Question 5Data & Database Fundamentals

    What is the purpose of a database backup?

    ATo speed up query performance
    BTo create a copy of data that can be restored in case of data loss
    CTo remove duplicate records
    DTo encrypt sensitive data

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  6. Question 6Data & Database Fundamentals

    Which SQL statement is used to retrieve data from a database table?

    AINSERT
    BUPDATE
    CSELECT
    DDELETE

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  7. Question 7Data & Database Fundamentals

    Which database data type would be most appropriate for storing a product price of $19.99?

    AINTEGER
    BVARCHAR
    CDECIMAL
    DBOOLEAN

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  8. Question 8Data & Database Fundamentals

    What is a database schema?

    AThe actual data stored in the database
    BThe logical structure and organization of the database including tables, columns, and relationships
    CA backup copy of the database
    DThe software used to run the database

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  9. Question 9Data & Database Fundamentals

    What does normalization mean in database design?

    ADeleting all records from a table
    BOrganizing data to reduce redundancy and improve data integrity
    CConverting the database to read-only mode
    DEncrypting all table columns

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Key Data & Databases Concepts for TECHPLUS

databasesqlrelationalnosqldataqueriestablesbackup

TECHPLUS Data & Databases Exam Tips

Data and Database Fundamentals questions in TECHPLUS are typically scenario-based. Focus on service-level decision making aligned to official exam objectives. Priority concepts: database, sql, relational, nosql, data, queries.

What TECHPLUS Expects

  • Anchor your answer in select the most practical, secure, and scalable answer for the stated scenario.
  • Data & Databases scenarios for TECHPLUS are frequently mapped to Domain 5 (13%), so read the objective carefully before picking controls or architecture.
  • Expect multi-topic scenarios where Data & Databases interacts with security, networking, infrastructure, or troubleshooting patterns rather than appearing as an isolated question.
  • When two options are both technically valid, prefer the choice that best aligns with the exam's operational scope (Entry) and vendor best practices.

High-Value Data & Databases Concepts

  • Know the core Data & Databases building blocks cold: database, sql, relational, nosql.
  • Review the edge-case features and limits for data, queries; these details are commonly used to differentiate answer choices.
  • Practice service-integration reasoning: how Data & Databases pairs with Applications & Dev, Tech Concepts in real deployment patterns.
  • For TECHPLUS, explain why the chosen Data & Databases design meets reliability, security, and cost expectations better than the alternatives.

Common TECHPLUS Traps

  • Watch for answers that partially solve the requirement but miss operational constraints.
  • Questions in Data and Database Fundamentals often include distractors that look correct for Data & Databases but violate security policy, performance, or reliability requirements.
  • Avoid picking options purely by feature name; validate data path, failure handling, and governance impact before answering.
  • If the prompt hints at automation or repeatability, eliminate manual-only operational answers first.

Fast Review Checklist

  • Can you compare at least two Data & Databases implementation paths and justify which one best fits the scenario?
  • Can you map the chosen answer back to Data and Database Fundamentals (13%) outcomes for TECHPLUS?
  • Can you explain security and access boundaries for Data & Databases without relying on default-open assumptions?
  • Can you describe how Data & Databases integrates with Applications & Dev and Tech Concepts during failure, scaling, and monitoring events?

Exam Domains Covering Data & Databases

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