Question $3(1$ point$)$

Single$-$mode fiber cables have a core diameter of about $7-10$ micrometers. True or False?

Question $3$ options:

True

False

Question $4(1$ point$)$

What bit rate is possible when an OC$-1$ is carrying a DS$-3$ signal?

Question $4$ options:

$500$Mbps

$100$Mbps

$300$Mbps

$51\mathrm{.}84$Mbps

Question $5(1$ point$)$

What is another name for an RJ$-45$ connector?

Question $5$ options:

$8$P$8$T

$8$W$8$T

$8$C$8$P

$8$P$8$C