This is a regular “data quiz”. Follow it on LinkedIn. Test your knowledge or learn something new. Today Question: In Python, the pandas library is used for: A) Web scraping B) DataFrames C) Machine learning D) API calls Correct Answer: B Explanation Pandas is a Python library for data manipulation and analysis using DataFrames. It provides tools for reading and writing data from CSV, Excel, SQL databases, filtering, aggregation, transformation, and…
This is a regular “data quiz”. Follow it on LinkedIn. Test your knowledge or learn something new. Today Question: Which of these services is a data warehouse? A) Athena B) Redshift C) S3 D) Glue Correct Answer: B Explanation Amazon Redshift is a fully managed cloud data warehouse optimized for analytical queries on large datasets. It supports complex SQL queries, BI integrations, and analytics pipelines. Athena is a…
This is a regular “data quiz”. Follow it on LinkedIn. Test your knowledge or learn something new. Today Question: Which tool monitors cloud metrics? A) CloudWatch B) Grafana C) Prometheus D) All Correct Answer: D Explanation Cloud metrics can be monitored using several tools. AWS CloudWatch provides metrics and logs for AWS services with alarms and automated actions. Grafana is a visualization platform often used…
This is a regular “data quiz”. Follow it on LinkedIn. Test your knowledge or learn something new. Today Question: Which property guarantees long-term data persistence in the cloud? A) Durability B) Availability C) Scalability D) Elasticity Correct Answer: A Explanation Durability in the cloud refers to the system’s ability to preserve data without loss even in the event of hardware failures, network outages, or other incidents. Cloud providers achieve…
This is a regular “data quiz”. Follow it on LinkedIn. Test your knowledge or learn something new. Today Question: An S3 “bucket” is: A) Database B) Object storage C) Stream D) Topic Correct Answer: B Explanation An S3 bucket is the basic storage unit in Amazon S3, an object-based cloud storage service. It organizes and stores data objects such as files, images, videos, or database…
This is a regular “data quiz”. Follow it on LinkedIn. Test your knowledge or learn something new. Today Question: Which format defines infrastructure using YAML? A) ARM B) CloudFormation C) Terraform D) All Correct Answer: D Explanation ARM, CloudFormation, and Terraform are tools for defining infrastructure as code. ARM (Azure Resource Manager) and CloudFormation (AWS) support JSON and YAML for declarative resource definitions. Terraform uses HCL…
This is a regular “data quiz”. Follow it on LinkedIn. Test your knowledge or learn something new. Today Question: Terraform is a tool for: A) Monitoring B) Orchestration C) Infrastructure as Code D) Backup Correct Answer: C Explanation Terraform is an Infrastructure as Code (IaC) tool that defines, provisions, and manages cloud infrastructure using declarative configuration. It supports multiple cloud providers, enabling a unified way to manage…
This is a regular “data quiz”. Follow it on LinkedIn. Test your knowledge or learn something new. Today Question: Which service is a “serverless” type? A) EC2 B) Lambda C) EMR D) Databricks Correct Answer: B Explanation AWS Lambda is a serverless compute service that runs code without server management. You pay only for execution time, and Lambda automatically scales based on request volume. It is…
This is a regular “data quiz”. Follow it on LinkedIn. Test your knowledge or learn something new. Today Question: Azure Data Factory is: A) Storage B) ETL orchestrator C) Visualization tool D) Scheduler Correct Answer: B Explanation Azure Data Factory (ADF) is a cloud ETL and ELT service for orchestrating data flows. It allows extracting data from various sources, transforming it, and loading it into target…
This is a regular “data quiz”. Follow it on LinkedIn. Test your knowledge or learn something new. Today Question: In AWS, data flows are often processed using: A) Lambda B) S3 C) Glue D) All of the above Correct Answer: D Explanation In AWS, data flows are processed using a combination of several services. S3 serves as a data storage layer, Lambda enables serverless and event-driven processing, and Glue provides ETL…