A company needs to create real-time analytics on streaming data. Which Azure service should they use?
AAzure Stream Analytics
BAzure Data Lake
CAzure SQL Database
DAzure Blob Storage
Explanation
Azure Stream Analytics specializes in processing real-time streaming data unlike the other options.
Q42
What happens when you set a machine learning model's scoring threshold to 0.9?
AIncreased model recall
BDecreased model precision
CFewer positive predictions
DImproved model performance
Explanation
Raising the threshold typically results in fewer positive predictions due to stricter criteria for positivity.
Q43
Which service is best for analyzing real-time streaming data in Azure?
AAzure Stream Analytics
BAzure Cognitive Services
CAzure Blob Storage
DAzure Virtual Machines
Explanation
Azure Stream Analytics is specifically designed for real-time analytics on streaming data, while the other options do not provide this functionality.
Q44
A company needs to deploy a chatbot using Azure services. Which combination of services is most suitable?
AAzure Bot Service + Azure Functions
BAzure App Service + Azure SQL Database
CAzure Logic Apps + Azure Storage
DAzure Virtual Network + Azure Monitor
Explanation
Azure Bot Service paired with Azure Functions allows for a scalable chatbot implementation, while the other options are not focused on chatbot capabilities.
Q45
You are configuring a machine learning model in Azure ML. What happens if you select an incorrect target variable during training?
AModel training will succeed.
BModel accuracy improves.
CModel produces irrelevant results.
DTraining process will skip target.
Explanation
Selecting an incorrect target variable can lead to irrelevant or inaccurate model predictions, while other options suggest misconceptions about training.
Q46
Which Azure service is designed for natural language processing?
AAzure Text Analytics
BAzure Machine Learning
CAzure Cognitive Search
DAzure Bot Services
Explanation
Azure Text Analytics specifically supports NLP tasks, while others have different functionalities.
Q47
A company needs to automate the extraction of information from invoices. Which Azure service should they use?
AAzure Form Recognizer
BAzure Logic Apps
CAzure Functions
DAzure Cognitive Services
Explanation
Azure Form Recognizer specializes in extracting data from forms, including invoices.
Q48
What happens when you enable auto-scaling on an Azure web app?
AResources increase based on traffic
BStatic resources are allocated
CCosts increase immediately
DDeployment becomes automated
Explanation
Auto-scaling adjusts resources dynamically based on app traffic, unlike static allocation or immediate cost increases.
Q49
Which Azure service provides a serverless platform for event-driven applications?
AAzure Functions
BAzure Kubernetes Service
CAzure App Service
DAzure Virtual Machines
Explanation
Azure Functions is designed for serverless event-driven applications, while the others are not inherently serverless or event-driven.
Q50
A company needs to deploy a chatbot with natural language processing capabilities. Which Azure service should they use?
AAzure SQL Database
BAzure Bot Service
CAzure Functions
DAzure Logic Apps
Explanation
Azure Bot Service specifically supports building chatbots, while the others are not focused on chatbot development.