WHICH THREE STATEMENTS ARE TRUE OF HOLDDOWN TIMERS
2. Which three statements are true of holddown timers? (Choose three.)
• used by link state routing protocols to prevent routing loops
• prevent update messages from reinstating a route that may have gone bad
• allow routers to still forward packets to destination networks that are in holddown
• limit the number of hops a packet can traverse through the network before it is discarded
• prevent a router advertising a network through the same interface from which the network was learned
• permit lower metric updates received from any neighboring router to reinstate the route to a possibly down Network