单项选择题
What is the BGP synchronization rule？（）
A.Routing information received through an IBGP session is not forwarded to another IBGP neighbor， onlyto EBGP neighbors
B.Routing information received through an EBGP session is not forwarded to another EBGP neighbor，only to IBGP neighbors
C.BGP neighbor peerings are established and sychronized using the TCP 3-way handshake
D.BGP shall not advertise a route until that route has been learned via an IGP also
相关考题
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多项选择题
Whichtwostatementsabout10GigabitEthernet（10GE）aretrue？（）
A.10 Gigabit Ethernet does not support VLAN definition
B.10 Gigabit Ethernet supports full duplex links， but does not support half duplex links
C.10 Gigabit Ethernet supports unshielded or shielded twisted-pair cable connections
D.10 Gigabit Ethernet supports Carrier Sense Multiple Access with Collision Detection （CSMA/CD）
E.10 Gigabit Ethernet supports optical fiber connections in single mode only. Mufti mode is not supported -
多项选择题
IntheCarrierSupportingCarrier（CsC）feature，whichtwoprotocolsrunbetweenCSC-PEandCSC-CE（）.
A.IGP and RSVP
B.EBGPv4 with a sending community
C.IGP and EBGPv4
D.IGP and LDP
E.EBGPv4 with a sending label -
单项选择题
WhenanMPLSLayer2VPNrunsinthehub-and-spokemodel，whereisQoSimplemented？（）
A.hub and spoke
B.PE
C.CE
D.hub
E.spoke
