A.It requires OSPF version 3.
B.automatically detects neighbors over NHMA interfaces
C.It supports encryption using
D.It uses LSA type 9
E.It uses LSA type 8
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A.Cisco Discovery Protocol
B.Label Discovery Protocol
C.Border Gateway Protocol
D.OSPF
E.RIP version 2
A.9 LCCs
B.7 LCCs
C.10 LCCs
D.6 LCCs
E.8 LCCs
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
A.3 messages
B.6 messages
C.4 messages
D.2 messages
E.5 messages
A.Incorrect VPI and VCI configuration
B.Noise， gain hits， or other transmission problems on the data link equipment
C.ATM cells are dropped due to incorrect ATM routing in the service provider.
D.A faulty or failing ATM interface.
E.Cells are dropped due to traffic policing in the ATM cloud on one or more virtual circuits attached to theATM interface
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
A.EVC infrastructure is a Layer 3 platform-independent routing architecture that supports IP overEthernet services
B.Ethernet flow point （EFP） is configured on the main interface
C.Feature commands like MQC-based QoS policies can be specified
D.EVC infrastructure is a Layer 2 platform-independent bridging architecture that supports Ethernetservices
E.Each Ethernet flow point （EFP） matches a predefined VLAN tag-based criteria
F.Ethernet flow point （EFP） is configured on the VLAN interface
A.It allows ITCM to send multiple upstream packets in one single large burst.
B.It reduces upstream data throughput.
C.It can be enabled/disabled from CMTS on per upstream port basis if desired
D.Concatenation activity on an interface can be checked by the show controller counters command
A.multipart-to-multipoint EVC （E-LAN）
B.hub spoke EVC （E-Tree）
C.point to point EVC （E-Line）
D.rooted multipoint EVC （E-Tree）
E.point-to-multipoint EVC （E-Tree）
A.ME3000
B.UBR10000
C.ASR9000
D.CRS-1
E.ME3600
F.UBR7200
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