1-45. 1-46. 1-47. 1-48. 1-49. In the offline mode of operation, a computer is limited to performing which of the following operations? 1.   Tactical 2.  Nontactical 3.  Maintenance 4. Tactical support The battle short mode of operation is used when the computer must run continuously under which of the following conditions? 1. When software is being loaded 2. When maintenance is being performed 3. When an overtemperature condition exists 4. When an under-temperature condition exists An overtemperature condition can be a result of which of the following conditions? 1. Too many software programs loaded into ROM 2. A failed assembly situation only 3. An inadequate cooling condition only 4. Either a failed assembly situation or an inadequate  cooling  situation The operational capabilities and limitations of a computer system can be controlled by all except which of the following devices? 1. Switchboards 2.  Telephone  hookups 3.  Software  commands 4. Control panels To reconfigure a computer system to a reduced capability, which of the following devices can be used? 1. Peripherals only 2. Switchboards only 3. Control panels only 4. Switchboards, control panels, and I/O devices 1-50. A computer’s effective operation and security may be seriously jeopardized by which of the following factors? 1. Electromagnetic interference and lack of ADP security 2. Electromagnetic interference and physical location  of  equipment 3. Operator knowledge of mission and lack of ADP security 4. Both 2 and 3 above 1-51. The Navy ensures that only authorized users gain 1-52. 1-53. 1-54. access to computer nontactical systems (SNAP) by which of the following means? 1. Locking the computer when it is not in authorized use 2. Authorizing the use of only certain software 3. Storing the software in a secure place 4. Using passwords to identify authorized users To learn more about computer security, which of the following instructions should you study? 1.  OPNAVINST  5239.1  only 2.  OPNAVINST  5510.1  only 3.  Both  OPNAVINSTS  5239.1  and  5510.1 4. MIL-STD-1355 What type of electromagnetic interference (EMI) causes the majority of EMI problems in digital data equipment? 1.  Narrowband 2.  Broadband 3.  Inherent 4.  Natural Aboard ship, which of the following conditions does NOT have a significant effect in EMI? 1. 2. 3. 4. Grounding of equipment Interconnecting cables Location of equipment Software in use 5