The __________ mechanism assures that a received packet was in fact transmitted by the party identified as the source in the packet header and assures that the packet has not been altered in transit

________ is the communication function that seeks to build good relationships with an organization's publics

A) Advertising B) Mass marketing C) Public relations D) Promotions E) Customer service

As a firm increases its level of debt relative to its level of equity, the firm is ________

A) increasing the fraction of its equity B) decreasing the fraction of its debt C) decreasing its leverage D) increasing its leverage