单选题What kind of packets does OSPF send to keep up connectivity with its neighboring routers?（）ASPF packetsBhello packetsCkeepalive packetsDdead interval packetsELSU packets
单选题
What kind of packets does OSPF send to keep up connectivity with its neighboring routers?（）
A
SPF packets
B
hello packets
C
keepalive packets
D
dead interval packets
E
LSU packets
参考解析
解析：
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