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【多选题】
OSPF stub areas are an important tool for the Network designer； which of the following two shouldbe considered when utilizing OSPF stub areas？ （）A.
OSPF stub areas increase the size of the LSDB with the addition of Type 3 and 5 LSAs
B.
OSPF not so stubby areas are particularly useful as a simpler form of summarization
C.
OSPF stub areas are always insulated from external changes
D.
OSPF totally stubby cannot distinguish among ABRs for the best route to destinationsoutsidethe areas
E.
OSPF stub areas can distinguish among ASBRs for destinations that are external to the OSPFdomain
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It’s March 6
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It’s a fine day today
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It’s March
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a, the
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不填; the
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a, a
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不填; the
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No problem.
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I don’t like it today.
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./etc/passwd 和/etc/shadow
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/etc/passwd和/etc/grpoup
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某电对的还原态可以还原电位比它低的另一电对的氧化态
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电对的电位越低，其氧化态的氧化能力越弱
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某电对的氧化态可以氧化电位比它低的另一电对的还原态
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【单选题】在linux中与用户有关的文件为( )
A.
/etc/passwd和/etc/shadow
B.
/etc/passwd和/etc/grpoup
C.
/etc/passwd和/et/gshadow
D.
/etc/shadow和/etc/group
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