Cisco Certified Internetwork Expert (CCIE) Practice Test 2025 – Your Complete All-in-One Guide to Exam Success!

The Open vSwitch Database (OVCDB) provides programmatic access to the configuration and operational state of an Open vSwitch instance. Open vSwitch is a multilayer virtual switch designed to enable network virtualization and allow interaction with various network components. OVCDB serves as the backend for storing configuration data and operational statistics, allowing users and applications to query and manage virtual networking resources effectively.

This programmatic access is essential for automation and orchestration in software-defined networking (SDN) environments, where dynamic changes to network configurations and policies can be orchestrated using APIs. By freeing network administrators from manually configuring network elements, OVCDB facilitates management tasks and enhances overall network efficiency.

The other choices pertain to different networking aspects. The configuration of a routing protocol focuses on how routers exchange information, access control deals with security measures for devices, and DNS management relates to domain name resolution. Each of these topics is essential for network management but does not specifically relate to the capabilities and functionalities offered by OVCDB.