Why is the osi reference model useful? a. because the osi creates standards that network engineers need. b. because it means all network equipment is built to the same standard. c. because it can be applied to a network to solve anything that goes wrong. d. because it provides troubleshooters a shared frame of reference. useful?

Create a class named majors that includes an enumeration for the six majors offered by a college as follows: acc, chem, cis, eng, his, phys. display the enumeration values for the user, then prompt the user to enter a major. display the college division in which the major falls. acc and cis are in the business division, chem and phys are in the science division, and eng and his are in the humanities division. save the file as majors. java.

What does the level 1 topic in a word outline become in powerpoint? a. first-level bullet item b. slide title c. third-level bullet item d. second-level bullet item

2. fluorine and chlorine molecules are blamed fora trapping the sun's energyob forming acid rainoc producing smogod destroying ozone molecules