Hold downs use triggered updates to help prevent routing loops by letting routers know of changes in the network. Which of the following events can reset the hold-down timer?

The TestOut Network Pro certification measures your ability to perform tasks commonly performed by IT network professionals, including systems administrators, network administrators, network engineers and related careers. This certification covers the topics in CompTIA Network+ (N10-007) certification. The Testout Network pro certification syllabus covers multiple operating systems, including: Windows Client, Windows Server, macOS, Enterprise Wireless configuration, and Cisco Command-Line interface (routers and switches).