单项选择题
What does the OSPF command capability vrf-lite achieve？（）
A.It enables provider edge （PE） specific checks on a router when the OSPF process is associated with the VRF
B.It disables provider edge （PE） specific checks on a router when the OSPF process is associated with the VRF
C.It enables the exchange of the "VRF-Lite" capability when the OSPF adjacency is formed.
D.It disables the MPLS processing on the OSPF learned routes inside the VRF
相关考题
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单项选择题
WhichstatementbestdescribesOSPFexternalLSAs（type5）？（）
A.OSPF external LSAs are automatically flooded into all OSPF areas, unlike type 7 LSAs, which require that redistribution be configured.
B.External LSAs (type 5) are automatically changed to type 1 LSAs at ASBRs.
C.Type 5 LSAs are route summaries describing routes to networks outside the OSPF Autonomous System.
D.External network LSAs (type 5) redistributed from other routing protocols into OSPF are not permitted to flood into a stub area -
单项选择题
Whichstatementistrueofasourcethatwantstotransmitmulticasttraffictogroup239.1.1.1？（）
A.Before sending traffic, it must first join multicast group 239.1.1.1 by sending an IGMPv2 membership report to the default router on the local subnet.
B.It must send an IGMPv2 Request to Send packet and then wait for an IGMPv2 Clear to Send packet from the IGMPv2 querier router on the local subnet
C.It may begin transmitting multicast traffic to the group only when there is no other host transmitting to the group on the local subnet.
D.It may transmit multicast traffic to the group at any time. -
单项选择题
WhenaBGProuterisnotcapableofunderstanding4-byteASnumbers，itwillsee4-byteASnumbersasaspecial，reserved，2-byteASnumberintheASpath.Which2-byteASnumberisthisreservedone？（）
A.00000
B.12345
C.23456
D.65000
E.99999
