Free IT certification practice
Practice free. Pass with confidence.
Free, community-shared practice questions for AWS, Microsoft, CompTIA, Cisco, and more — organized with AI, explained in plain language, with instant feedback. No signup required to start.
Browse by provider
13 providers · 112 exam banksLatest exam question analyses
View all updates →-
SAA-C03
Improving RDS Performance with Provisioned IOPS SSD
Learn how to resolve RDS MySQL performance degradation caused by high IOPS requirements by switching from gp3 to Provisioned IOPS SSD (io2) volumes.
-
SAA-C03
Cross-Account VPC Peering for High Availability
To connect EC2 instances across separate AWS accounts securely without single points of failure, use VPC peering. This guide explains why peering is superior to gateways or VPNs for this scenario.
-
SAP-C02
Cost-Effective Image Processing with SQS and S3 Lifecycle Policies
This question tests designing a cost-effective, reliable image processing architecture on AWS using SQS for decoupling and retries, Lambda for computation, and S3 Lifecycle policies for storage
-
SAP-C02
Enforcing Cost Controls in AWS Control Tower Development OUs
This question tests knowledge of AWS Control Tower guardrails versus direct AWS Organizations SCP management.
-
AIP-C01
Event-Driven GenAI Workflow with S3, EventBridge, and Lambda
This question tests designing an event-driven architecture for processing large audio files with Amazon Bedrock.
-
AIP-C01
Semantic Caching with Amazon OpenSearch k-NN
Learn how to implement semantic caching for AI assistants using Amazon OpenSearch Service k-NN to handle varied query phrasing efficiently.
-
SCS-C03
Lambda S3 Read Failure: Fix the Bucket Policy Resource ARN
S3 bucket policies granting s3:GetObject must use an object-level ARN; changing the Resource to arn:aws:s3:::DOC-EXAMPLE-BUCKET/* (C) restores Lambda read access.
-
DEA-C01
Automated Data Ingestion and Obfuscation with AWS Glue
This page explains how to use AWS Glue for least-overhead automated ingestion and sensitive data obfuscation from S3 to Redshift.
-
DEA-C01
Operational Efficiency for Streaming Data Ingestion to S3
Learn why Amazon Data Firehose with built-in transformations is the most operationally efficient solution for aggregating and storing streaming data in Amazon S3 compared to Kinesis and Flink.
-
350-101
Securing Switch Interfaces for Wireless Monitoring Appliances
This question explores the secure configuration of switch ports for connecting Cisco monitoring tools like Catalyst Center and ISE, emphasizing the importance of VLAN segregation.
-
350-101
Configuring Client Issue Alerts in Cisco Catalyst Center
Learn how to configure email alerts for wireless client issues in Cisco Catalyst Center. The correct action is to add the NOC email address under Use Assurance > Issue Settings > Email.
-
SCS-C03
How Should You Handle Leaked IAM Access Keys?
Exposed IAM access keys in a public repository require immediate containment and usage review.
Most discussed questions
Community debate, expert analysis & FAQs-
AZ-104
Attach a Data Disk to Another VM with Minimum Downtime
When moving a data disk between Azure VMs, the fastest path is a hot detach: removing the disk from its current VM does not require powering off either machine, so both stay online. The correct first action is to detach the data disk, then attach it to the target VM.
-
AZ-104
Force Immediate Azure AD Connect Sync of New User
This AZ-104 scenario asks whether running Start-ADSyncSyncCycle -PolicyType Initial will immediately replicate a newly created on-premises Active Directory user to the weyland.com Azure AD tenant. The page establishes that the answer is No, because only -PolicyType Delta delivers the urgent, targeted sync cycle the requirement calls for.
-
PCA
Why Performance Bugs Appear Only in Production
This PCA question tests how to fix test and deployment procedures when performance defects escape to production. It establishes that raising load in test and staging environments (option C) reproduces production conditions and catches performance bugs before release.
-
ACE
Connecting to SQL Server on Compute Engine via RDP
This question addresses the most efficient method to connect to a Windows instance running SQL Server on Google Cloud Platform using Remote Desktop Protocol (RDP). It clarifies that while the GCP Console provides an RDP button, it does not support direct credential entry for immediate session establishment.
-
SAA-C03
Migrating 70 TB On-Premises NFS Data to Amazon S3
This question tests choosing the optimal data migration method to Amazon S3 for 70 TB of static video files when speed and minimal network bandwidth are required. AWS Snowball Edge is the correct answer because it physically transports data off-premises, avoiding network bandwidth entirely.
-
AZ-900
Azure App Service Plan Selection for Custom Domains and Dedicated Instances
This question evaluates the selection of an Azure App Service Plan that balances dedicated compute instances, custom domain support, and cost efficiency. The correct choice is Basic, as it meets all technical requirements including load balancing while minimizing costs compared to Standard or higher tiers.