4A0-105 무료 덤프문제 온라인 액세스

Which of the following describes the scope of the IEEE 802.3ah EFM standard? (Choose 3)

• A.Should not be used at the core to trigger MPLS protection. BFD is the only method that can be used when physical failure detection is not possible.
• B.Valuable in the last-mile connection to the Service Provider demarcation device.
• C.Monitor and troubleshoot end-to-end services.
• D.Monitor and troubleshoot a point-to-point full-duplex link.
• E.Can be used at the core to trigger MPLS protection mechanisms when a physical failure detection is not possible.

Click on the exhibit below.

If the SDP between R2 and R1 goes down, what devices will be reachable from R2 through the VPLS?

• A.Only R4 will be reachable through the VPLS. B All devices will be reachable through the VPLS.
• B.No devices will be reachable.
• C.R4 and R3 will remain reachable.

Click on the exhibit below.

If the device connected to PE-A in Metro A sends a frame to PE-A that requires replication within the VPLS which devices is PE-A responsible for replicating the frame to?

• A.PE-A must replicate the frame to all devices participating in the VPLS
• B.All of the above
• C.PE-A must replicate the frame to all devices in the Metro A
• D.PE-A must replicate theframe to all PEs within Metro A

In the IEEE 802.1 ag, how are merged services detected?

• A.The MEP sees the CFM frame from a different MEG.
• B.This is a function of 802,3ah EFM,
• C.The MEP sees a different service-id in the frame sent by a MEP.
• D.The MIP transmits the service-id for each service. The MIP should only see it's own service-id.

Which of the following must be true in order to add a port to a LAG? (Choose 2)

• A.port must be in access mode only
• B.autonegotiationmustbeon
• C.ports must have the same speed and duplex settings
• D.ports must be on the same MDA
• E.autonegotiation must be off or limited