多选题What are the two benefits of graceful restart？（）AGraceful restart allows session information recovery without disruption to the network.BA node can perform a graceful restart to help a neighbor recover its state. The label bindings are kepton state information， which helps the failed node recover faster and does notaffect the current for wardtraffic.CGraceful restart allows a node to recover state from its neighbor when there is no RP or before thedevice undergoes SSO.DGraceful restart does not allow session information recovery.EDuring a graceful restart， the router removes any stale prefixes after a timer for stale entries expires
多选题
What are the two benefits of graceful restart？（）
A
Graceful restart allows session information recovery without disruption to the network.
B
A node can perform a graceful restart to help a neighbor recover its state. The label bindings are kepton state information， which helps the failed node recover faster and does notaffect the current for wardtraffic.
C
Graceful restart allows a node to recover state from its neighbor when there is no RP or before thedevice undergoes SSO.
D
Graceful restart does not allow session information recovery.
E
During a graceful restart， the router removes any stale prefixes after a timer for stale entries expires
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