________ is the process of modifying the text in a document by changing fonts and paragraph characteristics

What is the broadening of a pulse due to the different path lengths taken through the fiber by different modes called?

A) Polarization mode dispersion B) Modal dispersion C) Diffusion D) Chromatic dispersion

Which of the following devices is used for connecting multiple network hosts where the physical signal is always repeated to all ports?

A. Bridge B. Router C. Hub D. Switch