In which two ways does the BGP graceful restart capability preserve prefix information during a restart? (Choose two.)

In which two ways does the BGP graceful restart capability preserve prefix information during a restart? (Choose two.)
A . The peer router sends an end -of RIB message to the restarting router
B . The peer router immediately removes the BGP routes that it learned from the restarting router from its BGP routing table
C . The restarting router waits to receive updates from the neighboring routers.
D . The restarting router does not remove any stale prefixes after the timer for stale entries exTs.
E . The restarting router removes any stale prefixes after the timer for stale entries expires

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Answer: C, E