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【单选题】
How is the cost of a virtual link in OSPF calculated?（）A.
Takes the metric of the outgoing interface.
B.
Uses the metric that is assigned during configuration.
C.
Uses the path metric to reach the virtual link neighbor.
D.
Uses a default of zero unless otherwise specified.
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反馈参考答案：
举一反三
【单选题】You need to rewrite this sentence because it is ______ the readers will have difficulty in understanding it.
A.
comprehensive
B.
alternative
C.
deliberate
D.
ambiguous
【单选题】The sentence needs _______once more.
A.
explained
B.
explaining
C.
being explained
D.
to explain
【单选题】You need to rewrite this sentence because it is ______ . The readers will have difficulty in understanding it.
A.
comprehensive
B.
alternative
C.
deliberate
D.
ambiguous
【简答题】妊娠3个月,右肾结石,大小0.6cm( )
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