单项选择题
An OSPF non-backbone area allows external routes to be flooded within the area. These external routes are propagated into other areas. However， external routes from other areas are not allowed to enter this area. Which type of SPF area does this describe？（）
A.stub area
B.transit area
C.border area
D.not-so-stubby area
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相关考题
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多项选择题
WhichtwomechanismscontrolroutedistributionbetweenPEroutersina2547bisVPN？（）
A.Site ID
B.Policies
C.Circuit ID
D.Extended communities -
单项选择题
WhichJUNOSsoftwareoperational-modecommanddisplaysthestatusofaDraft-MartiniVPN？（）
A.show ldp neighbor
B.show martini connections
C.show l2circuit connections
D.show l2vpn connections -
单项选择题
PE1hasconnectionstoVPNsitesthatareservedbythreeremotePErouters.HowmanyLSP’smustbeestablishedtosupport2547bis？（）
A.an LSP for each local CE device
B.an LSP for each remote PE device
C.an LSP for each remote CE device
D.an LSP for each CE facing interface
