Azure ExpressRoute plays a crucial role by providing a private, dedicated network connection, enhancing the security and performance of connecting enterprise networks to Azure services.

Azure IoT Hub is designed for real-time communication and control of IoT devices, making it ideal for monitoring and managing a large fleet of vehicles.

For secure transactions in Azure Blockchain Service, Asymmetric cryptography is commonly employed. It ensures secure data exchange through the use of public and private keys.

Azure Policy is a tool used for enforcing organizational standards and ensuring compliance by defining and applying policies across Azure resources.

Azure Key Vault is a key management service in Azure, providing secure storage and management of sensitive information such as keys, secrets, and certificates.

Azure Site Recovery provides orchestrated disaster recovery, ensuring coordinated failover and failback processes for enhanced resilience.

Azure Kubernetes Service (AKS) primarily serves as an orchestration platform for containerized applications, automating deployment, scaling, and management.

Azure Security Center is a vital service that helps manage and enhance the overall security posture of Azure resources. It provides threat protection across workloads.

Azure Cosmos DB achieves global distribution and horizontal scaling through multi-region distribution, allowing data to be replicated across multiple regions for high availability and low-latency access.

Azure Machine Learning's AutoML service is designed for efficient hyperparameter tuning, automating the process and optimizing machine learning models.