多項(xiàng)選擇題Which two statements about 10 Gigabit Ethernet (10GE) are true?()

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


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1.多項(xiàng)選擇題In the Carrier Supporting Carrier (CsC) feature, which two protocols run between CSC-PE and CSC-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

3.多項(xiàng)選擇題All secure domain routers (SDRs) have shared attribute and resources. Which three resources are sharedall SDRs? ()

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

4.單項(xiàng)選擇題Which statement about VPLS is true?()

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

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