Covariance is a formula that can calculate the relationship between two variables, like gender and dollars spent as well as the direction of the relationship

The PMT function has a total of ________ arguments

A) two B) three C) four D) five

A technician attempts to replace a switch with a new one of similar model from the same vendor. When the technician moves the fiber and SFP plug, the switch does not completely boot up. Considering that the config files are the same, which of the following is the MOST likely cause of the failure?

A. Damaged fiber B. Corrupted operating system C. VLAN mismatch D. Bad port