MCQs

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Overall MCQs for Reference

1. What is the primary purpose of indexing in artificial intelligence?
   a. Data deletion
   b. Improving query efficiency
   c. Network synchronization
   d. Encryption of data
   Answer: b. Improving query efficiencymilvus+1​
2. Which indexing method organizes data in a balanced tree-like structure?
   a. Hash Indexing
   b. B-Tree Indexing
   c. Bitmap Indexing
   d. Neural Indexing
   Answer: b. B-Tree Indexingalooba​
3. In vector data indexing for AI, which technique is commonly used?
   a. Logistic regression
   b. Approximate Nearest Neighbor (ANN)
   c. Decision trees
   d. Rule-based systems
   Answer: b. Approximate Nearest Neighbor (ANN)milvus​
4. Which index in a database is defined on an ordered data file and is based on the primary key?
   a. Clustering Index
   b. Secondary Index
   c. Primary Index
   d. Bitmap Index
   Answer: c. Primary Indextestbook​
5. Which indexing method is best suited for exact match queries?
   a. B-Tree Indexing
   b. Bitmap Indexing
   c. Hash Indexing
   d. Full-Text Indexing
   Answer: c. Hash Indexingalooba​
6. What does a clustered index organize?
   a. Non-key attributes
   b. Primary key only
   c. Text data
   d. Image files
   Answer: a. Non-key attributestestbook​
7. Which AI indexing structure is most efficient for range queries?
   a. B-Tree Index
   b. Hash Index
   c. Inverted Index
   d. SLIC Index
   Answer: a. B-Tree Indexsciencedirect+1​
8. Bitmap indexing is best suited for datasets with:
   a. High cardinality
   b. Low cardinality
   c. Unstructured data
   d. Distributed storage
   Answer: b. Low cardinalityalooba​
9. Which type of index enables fast text-based search and retrieval in natural language processing tasks?
   a. Vector Index
   b. Full-Text Index
   c. Bitmap Index
   d. Hash Index
   Answer: b. Full-Text Indexmilvus+1​
10. What is the role of an inverted index in AI?
    a. Compiling neural network weights
    b. Mapping keywords to documents
    c. Encrypting data attributes
    d. Optimizing decision trees
    Answer: b. Mapping keywords to documentsmilvus​
11. What method can speed up similarity search for high-dimensional data like text embeddings?
    a. Decision tree indexing
    b. ANN (Approximate Nearest Neighbor) indexing
    c. Relational indexing
    d. Key-value indexing
    Answer: b. ANN (Approximate Nearest Neighbor) indexingyoutube​milvus​
12. Which index type organizes records sequentially based on the indexed field?
    a. Hash Index
    b. Clustering Index
    c. Bitmap Index
    d. SLIC Index
    Answer: b. Clustering Indextestbook​
13. In a secondary index, every search-key value has:
    a. No pointer
    b. Multiple pointers
    c. A single pointer
    d. A dense index entry
    Answer: d. A dense index entrytestbook​
14. Which of the following is a self-tuning index for dynamic workloads?
    a. ANN index
    b. FlashDB adaptive index
    c. Bitmap index
    d. Rule-based index
    Answer: b. FlashDB adaptive indexsciencedirect​
15. What does predicate indexing in AI help achieve?
    a. Indexing all data without discrimination
    b. Grouping facts for faster retrieval
    c. Encrypting facts
    d. Deleting outdated facts
    Answer: b. Grouping facts for faster retrievalsanfoundry​
16. Which indexing technique is NOT suitable for range queries?
    a. B-Tree Index
    b. Hash Index
    c. Full-Text Index
    d. Composite Index
    Answer: b. Hash Indexalooba​
17. Which method is used for indexing n-dimensional spatial data?
    a. ANN indexing
    b. Hilbert curve
    c. Bitmap indexing
    d. Hash indexing
    Answer: b. Hilbert curvesciencedirect​
18. Composite indexing is implemented on:
    a. A single column
    b. Multiple columns
    c. Only images
    d. Only text data
    Answer: b. Multiple columnsalooba​
19. Which indexing structure uses buckets stored in a hash table for efficient access?
    a. Inverted Index
    b. Predicate Indexing
    c. Bitmap Index
    d. Linear Search Index
    Answer: b. Predicate Indexingsanfoundry​
20. What is a common application of LlamaIndex in AI?
    a. Compressing database files
    b. Indexing unstructured documents for LLMs
    c. Encrypting vectors
    d. Normalizing images
    Answer: b. Indexing unstructured documents for LLMsbotpress​
21. Which index method is best for fast retrieval in OLAP systems with categorical data?
    a. Bitmap Indexing
    b. B-Tree Indexing
    c. Hash Indexing
    d. SLIC Index
    Answer: a. Bitmap Indexingalooba​
22. In distributed AI environments, which approach helps load balancing for indexes?
    a. Vertical partitioning
    b. Sharding
    c. Backup indexing
    d. Dense clustering
    Answer: b. Shardingsciencedirect​
23. A dense index has:
    a. Entries for some search-key values
    b. Entries for every search-key value
    c. No pointers
    d. Only for primary key
    Answer: b. Entries for every search-key valuetestbook​
24. Which indexing method is most commonly used in document retrieval systems?
    a. Inverted Indexing
    b. Bitmap Indexing
    c. Neural Indexing
    d. Predicate Indexing
    Answer: a. Inverted Indexingmilvus+1​
25. Which of the following is NOT an advantage of indexing?
    a. Speeds up search queries
    b. Reduces disk I/O
    c. Increases data redundancy
    d. Enables efficient retrieval
    Answer: c. Increases data redundancygeeksforgeeks+1​
26. Which technique helps AI models retrieve semantically relevant context from indexed documents?
    a. TF-IDF weighting
    b. Decision trees
    c. Pipelining
    d. Dropout regularization
    Answer: a. TF-IDF weightingmilvus​
27. Secondary indexing is always:
    a. Sparse
    b. Dense
    c. Temporary
    d. Random
    Answer: b. Densetestbook​
28. Which is a disadvantage of creating too many indexes?
    a. Slower queries
    b. Increased storage overhead
    c. Faster data mining
    d. Reduced selectivity
    Answer: b. Increased storage overheadalooba​
29. The simplest way to fetch and store facts for indexing is:
    a. Storing in one long list
    b. Encrypting all facts
    c. Using neural networks
    d. Generating composite keys
    Answer: a. Storing in one long listsanfoundry​
30. Which search algorithm is closely related to the concept of indexing in AI agents?
    a. Hill-climbing
    b. Depth-first search
    c. Linear regression
    d. Reinforcement learning
    Answer: b. Depth-first searchinterviewkickstart​
31. Which approach would be the most optimal for indexing large-scale text datasets?
    a. Bitmap indexing
    b. Inverted indexing
    c. B-tree indexing
    d. Decision tree indexing
    Answer: b. Inverted indexingmilvus+1​
32. What type of indexing is typically used for fast image search in AI platforms?
    a. Relational
    b. Vector indexing (ANN)
    c. Bitmap
    d. Sequential
    Answer: b. Vector indexing (ANN)youtube​milvus​
33. Which index is defined based on a candidate key?
    a. Clustering index
    b. Primary index
    c. Secondary index
    d. Bitmap index
    Answer: c. Secondary indextestbook​
34. In AI search, what is the benefit of hybrid indexing systems?
    a. Single attribute filtering
    b. Combining multiple indexing strategies for optimal retrieval
    c. Encrypting all index entries
    d. Slowing down query speed
    Answer: b. Combining multiple indexing strategies for optimal retrievalmilvus​
35. What is the key metric to evaluate the effectiveness of an index?
    a. Update frequency
    b. Selectivity
    c. Network bandwidth
    d. File compression
    Answer: b. Selectivityalooba​
36. Which index type is essential in spatial databases for location-based data?
    a. Vector index
    b. Spatial indexing
    c. Clustering index
    d. Secondary index
    Answer: b. Spatial indexingsciencedirect​
37. What component in indexing increases AI search precision by combining multiple facets?
    a. Single-entry indexing
    b. Control devices in SLIC
    c. Composite indexing
    d. Redundant grouping
    Answer: b. Control devices in SLICtestbook​
38. What technique allows AI indexes to adjust based on device characteristics?
    a. Static indexing
    b. Adaptive indexing (FlashDB)
    c. Neural hashing
    d. Flat indexing
    Answer: b. Adaptive indexing (FlashDB)sciencedirect​
39. What is an advantage of partitioning an index in Big Data AI applications?
    a. Reduces redundancy
    b. Improves query performance and facilitates fault tolerance
    c. Encrypts all search keys
    d. Enables clustering
    Answer: b. Improves query performance and facilitates fault tolerancesciencedirect​
40. What is a common index optimization technique in AI systems?
    a. Data redundancy
    b. Index compression
    c. Disabling selectivity
    d. High cardinality grouping
    Answer: b. Index compressionalooba​
41. Which AI indexing method is best for real-time similarity search?
    a. B-tree
    b. ANN (Approximate Nearest Neighbor)
    c. Bitmap
    d. Clustering index
    Answer: b. ANN (Approximate Nearest Neighbor)milvus​
42. Which index in AI organizes data tiles to access n-dimensional data efficiently?
    a. Bitmap index
    b. B-tree index
    c. Space-filling curve index (Hilbert Curve)
    d. Predicate indexing
    Answer: c. Space-filling curve index (Hilbert Curve)sciencedirect​
43. What factor should be considered when optimizing indexes for AI model performance?
    a. Index size
    b. Network latency
    c. User interface design
    d. Redundancy protocols
    Answer: a. Index sizealooba​
44. Which AI document indexing framework helps LLMs structure raw documents for query retrieval?
    a. SLIC Index
    b. LlamaIndex
    c. FlashDB
    d. K-means index
    Answer: b. LlamaIndexbotpress​
45. Sparse indexes store entries only for:
    a. Every record in the file
    b. Some records in the file
    c. No records in the file
    d. Duplicate records only
    Answer: b. Some records in the filetestbook​
46. Which AI indexing approach supports searching by both metadata and semantic similarity?
    a. Inverted index only
    b. Hybrid indexing (B-tree + ANN)
    c. Hash index
    d. Bitmap index
    Answer: b. Hybrid indexing (B-tree + ANN)milvus​
47. In predicate indexing, facts are grouped in ‘buckets.’ Where are these typically stored for fast access?
    a. Hash tables
    b. Stacks
    c. Arrays
    d. Linked lists
    Answer: a. Hash tablessanfoundry​
48. Which component of SLIC indexing enhances consistency?
    a. Modulation step
    b. Control devices
    c. Data normalization
    d. Lossless compression
    Answer: b. Control devicestestbook​
49. Which method dynamically adjusts index node size based on workload?
    a. Adaptive index (FlashDB)
    b. Bitmap index
    c. Clustering index
    d. Sequential index
    Answer: a. Adaptive index (FlashDB)sciencedirect​
50. Which is NOT typically considered in index optimization in AI?
    a. Selectivity
    b. Update frequency
    c. Index compression
    d. Disk encryption
    Answer: d. Disk encryptionalooba​

1. https://milvus.io/ai-quick-reference/how-does-indexing-work-in-ai-data-platforms
2. https://www.alooba.com/skills/concepts/database-and-storage-systems/database-management/data-indexing-techniques/
3. https://testbook.com/objective-questions/mcq-on-types-of-indexing–5eea6a0939140f30f369da7b
4. https://www.sciencedirect.com/topics/computer-science/indexing-method
5. https://www.youtube.com/watch?v=NytKzh8avhw
6. https://www.sanfoundry.com/artificial-intelligence-mcqs-unification-and-lifting/
7. https://botpress.com/blog/ai-document-indexing
8. https://www.geeksforgeeks.org/dbms/indexing-in-databases-set-1/
9. https://interviewkickstart.com/blogs/interview-questions/essential-artificial-intelligence-mcqs
10. https://testbook.com/objective-questions/mcq-on-indexing-abstracting-techniques–64f9c0ca513684ddf3ab234b
11. https://www.sanfoundry.com/artificial-intelligence-questions-answers/
12. https://testbook.com/objective-questions/mcq-on-artificial-intelligence–5eea6a0d39140f30f369e30e
13. https://www.interviewbit.com/artificial-intelligence-mcq/
14. https://www.scribd.com/document/737189591/Artificial-Intelligence-MCQ-unit1-2
15. https://www.gyansetu.in/blog/70-generative-ai-mcq-questions-and-answers-gyansetu/
16. https://byjus.com/gate/artificial-intelligence-mcqs/
17. https://www.indexers.org.uk/posts/indexing-and-ai/
18. https://pmc.ncbi.nlm.nih.gov/articles/PMC12158464/
19. https://www.slideshare.net/slideshow/artificial-intelligence-mcq-part-1-50-ai-mcqs-multiple-choice-questions-answers/249849981
20. https://www.servicenow.com/docs/bundle/zurich-platform-administration/page/administer/ai-search/concept/indexed-sources-ais.html