ITGSS Certified DevOps Engineer Practice Test 2026 - Free DevOps Practice Questions and Exam Preparation Guide

Using a service mesh in containerized applications offers significant advantages, particularly in securing and monitoring microservices effectively. A service mesh is an infrastructure layer that enables managed, observable, and secure communication between microservices. It provides features such as traffic management, service discovery, fault tolerance, and security policies.

With a service mesh, you can enforce security measures such as mutual TLS (Transport Layer Security) for encrypted communication between services, ensuring that data transmitted between microservices remains secure. Additionally, it provides tools for monitoring the health and performance of each service, allowing for better visibility and management of microservices. This robust monitoring capability helps in identifying issues quickly and maintaining the reliability of applications.

The other options do not accurately represent the primary benefits of a service mesh. Reducing the need for resource allocation does not capture the essence of what a service mesh does; it instead focuses on how applications can be managed without the need for complex resource management. Improving physical data storage and facilitating direct database connections are not core functions of a service mesh, as its main focus is on the management and communication of microservices rather than data storage solutions or database connection handling directly.