Question 76:
A service provider is using multicast flows to provide streaming video content to its customers. Video streams are sometimes interrupted, and network instability is determined to be cause. Which action should the service provider take to decrease the burden on the router resources in an unstable unicast routing environment?
Answer options:
A. Tune the RPF backoff B. filter unnecessary SA messages C. increase the PIM hello hold timers D. reduce the volume of query messages