T-1550 Force Completion This test can be saved and resumed later. * Question Completion Status: Moving to another question will save this response. Question 29 In every organization, the communication network has four primary and equally important channels: The formal, or official channel of communication OA The informal channel, usually called the grapevine OB. . The Web or social networks . Body language OD All of the above A Moving to another question will save this response. search