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

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热门试题

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

多项选择题Allsecuredomainrouters（SDRs）havesharedattributeandresources.WhichthreeresourcesaresharedallSDRs？（）

A.privilege-level configuration
B.fabric cards
C.SNMP traps
D.admin- level configuration
E.exec- level configuration

单项选择题WhichstatementaboutVPLSistrue？（）

A.All CE devices emulate a bridge
B.All provider devices emulate a bridge
C.Hierarchical VPLS reduces signaling overhead
D.Each PE device emulates a bridge
E.Each CE device emulates a bridge