多选题Which three are advantages to creating multiple areas in OSPF? (Choose three.) Select 3 response(s)？（）Aless frequent SPF calculationsBfewer hello packetsCsmaller routing tablesDreduced LSU overhe adEfewer adjacencies needed
多选题
Which three are advantages to creating multiple areas in OSPF? (Choose three.) Select 3 response(s)？（）
A
less frequent SPF calculations
B
fewer hello packets
C
smaller routing tables
D
reduced LSU overhe ad
E
fewer adjacencies needed
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