In which layer is the FEC field generated?
A: OPU
B: ODU
C: OTU
D: OCH
A: OPU
B: ODU
C: OTU
D: OCH
举一反三
- The type of field generated by a DC tacho-generator is A: pulsating magnetic field B: static field C: rotating field D: do not need field
- When an IP packet is Layer 3-switched from a source in one VLAN to a destination in another VLAN,which field in a packet will be rewritten? （） A: Layer 2 TTL B: Layer 3 TTL C: Layer 3 source address D: Layer 3 transport protocol E: Layer 3 destination addre
- Which layer of the cerebral cortex is the major input layer? A: (A) layer I B: (B) layer II-III C: (C) layer IV D: (D) layer V
- The magnentic field is generated by A: voltage applied to the conductor B: current through the conductor C: charge shifts D: permanent magnet
- The curl equation [img=154x44]1803a2a153c85f5.png[/img]shows that : A: The time-varying magnetic field can generate an electric field, in which the elecric field lines is closed around the magnetic field line. B: The time-varying magnetic field can generate a magneitc field, in which the magnetic field lines is closed around the electric field line. C: The magnetic field lines is closed themselves. D: Flux continuity