What is the author's opinion regarding certifications? nothing specific
O to gain general certifications before you sign up for specific vendor ones
to choose the certifications that Bill Gates has
O to gain specific vendor certifications before you sign up for general ones

Which of the following is a way the operating system prevents unknown or unauthorized users from accessing the system?

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.

Choose the correct citation for the case which established the "minimum contacts" test for a court's jurisdiction in a case. select one: a. brown v. board of education of topeka, 347 u.s. 483 (1954). b. international shoe co. v. washington, 326 u.s. 310 (1945) c. haynes v. gore, 531 u.s. 98 (2000). d. international shoe co. v. washington, 14 u.s. code 336.