Practice IT Networking Questions and Answers

• State true or false Paging incurs memory overheads in operating system.
• Standard C library functions will always invoke a system call when executed from a single-threaded process in a UNIX/Linux operating system?
• Predict the correct output
• Predict the correct output for python code
• Which type of neural network architecture is specifically designed to process data with a variable-length sequence?
• Which of the following backup types provides the fastest backup and recovery performance but requires the most storage space?
• Which recovery technique involves creating a new database instance from a previous full backup and then applying transaction logs up to the desired recover...
• Which type of flip-flop is most commonly used for storing the state of synchronous digital systems?
• The Master-Slave JK flip-flop overcomes the problem of race conditions by:
• What is the main advantage of using NoSQL databases for big data storage over traditional relational databases?
• What are the three main dimensions of big data known as the "3Vs"?
• In a blockchain network, what are "nodes"?
• What is blockchain?
• Which type of neural network architecture is well-suited for sequential data and time series tasks?
• Which optimization algorithm is commonly used for updating the weights of neural networks and helps prevent getting stuck in local minima?
• In unsupervised learning, what is the primary goal?
• Which of the following algorithms is best suited for handling high-dimensional and sparse datasets, commonly encountered in text processing and natural lan...
• Which data analytics technique is best suited for identifying hidden patterns or relationships in large datasets?
• What is the main objective of cluster analysis in data analytics?
• In natural language processing (NLP), what does TF-IDF stand for?
• Which algorithm is commonly used for collaborative filtering in recommendation systems?
• Which data analytics technique is suitable for handling missing data points in a dataset?
• What does A/B testing involve in data analytics?
• In time series forecasting, what does MAE stand for?
• Which data visualization technique is best suited for displaying hierarchical data with a tree-like structure?
• Which of the following techniques is used for dimensionality reduction while preserving the data’s variance?
• In data analytics, what is the primary purpose of sentiment analysis?
• What is Hadoop's primary function in big data processing?
• Which programming language is commonly used to write MapReduce jobs in Hadoop?
• What is the main advantage of Hadoop's HDFS (Hadoop Distributed File System)?
• Which component in Hadoop is responsible for managing cluster resources and scheduling tasks?
• Which Apache project provides real-time stream processing and messaging capabilities in Hadoop?
• In Hadoop, what is the purpose of the MapReduce paradigm?
• Which tool is used to build data pipelines and workflows in Hadoop-based systems?
• Which of the following is an open-source SQL query engine for analyzing data stored in Hadoop clusters?
• What is Apache Spark primarily used for in big data processing?
• Which recovery model in a database allows for point-in-time recovery using transaction logs?
• What is the purpose of using the Write-Ahead Logging (WAL) technique in database systems?
• Which type of data refers to information that is generated by users while interacting with digital systems, such as web clicks and social media interaction...
• Which data visualization technique is commonly used to represent the frequency distribution of a large dataset?