64 10-18. U.S. Secret information is transmitted or transported by which of the following means? 1. By USPS Registered Mail within and between the U.S. and its territories 2. By Canadian Royal Mail Service 3. By USPS Certified Mail 4. All of the above 10-19. U.S. Confidential information is transmitted or transported by which of the following means? 1. Via an approved carrier that provides courier service 2. By USPS first class mail in the U.S. and its territories 3. By UPS express mail service plus 4. All of the above 10-20. NATO RESTRICTED information is transmitted by which of the following means? 1. By USPS certified mail 2. By USPS first class mail within CONUS 3. By USPS second class mail 4. By UPS express mail service plus 10-21. FOUO information is transported by which of the following means? 1. By USPS certified mail 2. By USPS first class or standard mail 3. By USPS parcel post 4. By U.S. registered mail 10-22. How is Foreign Government RESTRICTED and unclassified information provided "in confidence" transmitted or transported? 1. By a method approved for classified information 2. By UPS express mail service 3. By International Program Office mail 4. By USPS registered mail 10-23. Classified telephone conversations are permitted only under which of the following circumstances? 1. If you have verified the security clearance of the military or civilian personnel you are calling 2. If it’s an emergency and not cost effective to travel 3. Over satellite communications circuits 4. Over secure communications circuits approved for the classification level of the information to be discussed 10-24. Classified information is prepared for shipment by following which of the following procedures? 1. Packaging and sealing it with tape which will retain the impression of any postal stamp 2. Packaging to minimize risk of accidental exposure or undetected deliberate compromise 3. Packaging so that classified text is not in direct contact with the inner envelope or container 4. All of the above 10-25. How is classified information transported outside the command enclosed? 1. In an opaque envelope 2. In a cardboard box 3. In two opaque envelopes, wrappings, or containers 4. In wrapping paper 10-26. How are outer envelopes or containers of classified information addressed? 1. An official U.S. Government activity only 2. Cleared DoD contractor facility only 3. Either an official U.S. Government activity or cleared DoD contractor facility 4. The command designee