is the sending of fraudulent emails to an organization’s employees designed to look like they came from high­-level executives from within the organization.

Alex’s family members live in different parts of the world. they would like to discuss the wedding plans of one of their distant relatives. however, alex wants all the family members to talk to each other simultaneously so that they can make decisions quickly. which mode of internet communication should they use? a. blog b. email c. wiki d. message board e. instant messaging

Hashtags serve to identify the topic of a given tweet true false

In the rgb model, which color is formed by combining the constituent colors? a) black b) brown c) yellow d) white e) blue