Which of the following functions does Netstar ODT have?

• A.Board Verification
• B.Fiber connection verification
• C.Subrack verification
• D.Optical power verification

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Which of the following descriptions about the IS-IS backbone area are correct?

• A.Identify with area 0
• B.It is composed of all L2 routers (including L1/L2)
• C.For inter-area routing
• D.can be discontinuous

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In OptiX OSN8800, which of the following boards provides clock time input and output interfaces?

• A.STI
• B.ATE
• C.ER
• D.AUX

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Which of the following is the destination MAC address of the Layer 2 header of the data received by the PTN960 from the LTE base station?

• A.The network port MAC of the PTN device connected to the base station
• B.The port MAC of the EPC device connected to the core L3PTN
• C.MAC of the base station gateway L3VE on the L2/L3 node
• D.User-side port MAC of the PTN device connected to the base station

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Which of the following technologies is used in the dynamic BGP MPLS L3VPN to distinguish the same IP address in different VPNs in the BGP protocol?

• A.Import RT
• B.VRF
• C.RD
• D.Export RT

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