20.
Assume that a communication line (mux channel) develops trouble, you
must transfer the equipment on that line to a spare channel.
The
transfer must take place
a.
on the VF patch bay in the distant terminal as well as the VF
patch bay in your terminal.
b.
on the primary patch bay in the distant terminal as well as the
primary patch bay in your terminal.
c.
on the VF patch bay in your terminal only.
d.
on the primary patch bay in your terminal only.
CHECK YOUR ANSWERS.
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