3-49. 3-50. 3-51. 3-52. An attempt by the enemy to enter U.S. or allied communications  systems  and simulate traffic with the intent to confuse and deceive. 1. A 2. B 3. C 4. D The deliberate use of electromagnetic  signals  with the objective of impairing communications  circuits. 1.    A 2.    B 3.    C 4.    D Usually  a  nondeliberate electrical  disturbance  that unintentionally  prevents  the effective use of a frequency. 1.    A 2.    B 3.    C 4.    D Which of the following statements  best  describes the overall goal of AIS security? 1. 2. 3. 4. To take all reasonable measures to protect AIS assets To prevent data and programs  from  being destroyed  or  sabotaged To  keep  unauthorized personnel out of your AIS  facility To take whatever measures  are  necessary to protect equipment and people 3-53. 3-54. 3-55. 3-56. 3-57. Which  of  the  following assets  is  NOT  considered AIS asset? 1. People 2. Hardware 3. Software 4. Environment an In AIS security terminology, what term is used for the things that can destroy AIS assets? 1. Threats 2. Probability 3. Vulnerability 4. Countermeasures To express the cost of a loss or abuse from an adverse event over time, what AIS security term is used? 1. Risk 2. Likelihood 3. Vulnerability 4. Countermeasure In AIS security, risks are usually  expressed  in  which of the following terms? 1. Days 2. Dollars 3. Equipment 4. Personnel In AIS security terminology, the controls to lessen or eliminate  known  threats  and vulnerabilities  are  called 1. physical  barriers 2. security  routines 3. backup  procedures 4. countermeasures 27