Computer Networking
Which statement describes a spanning-tree network that has converged?

All switch and bridge ports are in either the forwarding or blocking state.
All switch and bridge ports are either blocking or looping.
All switch and bridge ports are assigned as either root or designated ports.
All switch and bridge ports are in the forwarding state.

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Computer Networking
A front-end processor is

a processor in a large-scale computer that executes operating system instructions
preliminary processor of batch jobs.
None of these
a user computer system
a minicomputer that relieves main-frame computers at a computer centre of communications control functions

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