多选题Which two statements are characteristics of a distance vector routing protocol？（）ARIP is an example of distance vector routing protocols.BUpdates are periodic and include the entire routing table.CRouting updates are sent only after topology changesDThe protocol can be useful in hub-and-spoke and hierarchical networks.EConvergence is usually faster than with link state protocolsFEach router has its own view of the topology
多选题
Which two statements are characteristics of a distance vector routing protocol？（）
A
RIP is an example of distance vector routing protocols.
B
Updates are periodic and include the entire routing table.
C
Routing updates are sent only after topology changes
D
The protocol can be useful in hub-and-spoke and hierarchical networks.
E
Convergence is usually faster than with link state protocols
F
Each router has its own view of the topology
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