多項選擇題Which four statements about Ethernet virtual circuit (EVC) infrastructure are true? ()

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


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2.單項選擇題MPLS label mapping on an LSR is displayed by which IOS command?()

A.Show mpls Idp neighbor detail
B.Show mpls Idp bindings
C.Show mpls Idp parameters
D.Show mpls Idp discovery

3.多項選擇題Which three protocols use TLVs to carry attributes?()

A.Cisco Discovery Protocol
B.Label Discovery Protocol
C.Border Gateway Protocol
D.OSPF
E.RIP version 2

5.多項選擇題What are three common reasons for ATM CRC errors?()

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