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40 Cards in this Set
- Front
- Back
The process of transmitting a key variable over a secure communication channel for use by a crypto device other than the device which recieved the transfer is called
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Over-The-Air-Transfer
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The process of transmitting a key variable over a secure communication channel for use only in the recieveing crypto device is
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Over-The-Air-Rekey
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What crypto device is used for digital data snd teletype traffic on a high frequency or satellite communications circuit?
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KG-84
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What cryspto device is used on the fleet broadcast circuit?
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KW-46
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What crypto device provides encryption/decryption for the Advanced Narrowband Digital Voice Terminal (ANDVT)?
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KYV-5
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What fill device reads an eight-level punched tape and can be hand carried?
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KOI-18
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What fill device can store up to six different keylists?
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KYK-13
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Which fill device can store up to sixteen different keylists?
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KYK-15
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What fill device is a plastic key used to initiate secure mode on a STU-III?
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KSD-64A
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What device allows the KG-84 on the send side of circuit to be remotely phased from the NST position when placed in the XMTR CXR position?
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C-11828
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Define Crypto
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Making used on all keying material and associated equipment to protect national security.
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Define Keying Material
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Afforded the highest protection and handling precautions of all information and material within a crypto-system.
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The difference between Primary and Secondary cryptovariables?
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Primary- Is the most readily and frequently changed element of a crypto-system.
Secondary-is one that permits change of circuit operation without altering the basic equipment. |
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What is a STU-III?
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Desktop telephone unit capable of plain and secure communications up to TOP SECRET.
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What is C-10316?
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Control Ineterface Unit used for Non-secure voice operations. NOT CRYPTO...
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What is ACP-113?
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Used to assign International call signs to U.S or allied ships under military control.
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What are the Decoding procedures for U.S. and Allied ships?
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Call signs alphabetical order
U.S. Navy assigned NAAB through NZZX To the right of the call sign is the ships Hull number, Country, Branch Service |
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What does the TAsk force Organization consist of?
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Task force: Mobile command of ships and aircrafts.
Task Group: A component of Task Force organized by a TF commander to accomplish a sepcific task. Task Unit: A component of the TG but organized by a TG commander. Task element: A component of the TU but organized by a TU commander. |
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What are prosigns and what do they consist of?
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Prosigns are letters used in place of frequently used orders,instructions, requests or information to speed up process. There composed of one or more characters and defined in ACP-126.
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Common Prosigns..
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AA-All After
AB- All Before AR- ENd of Transimission AS- Wait BT- Long Break C- Correct DE- From EEEEEEEE- Error IMI- Repeat INT- Interrogatory |
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Define ACP-131
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Used by Aeronautical Service. series QAA thu QNZ and QOA htru QUZ.
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Allied Miltary signals
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Used between Allied Military stations only Unclassified as a plain language.
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Decoding Q and Z signals?
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Signal
Question Answer, Advice or Order |
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Encoding Q and Z signals?
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Key
Question Answer, Advice or Order Order |
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Whats is the purpose of Radioteleprinter?
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Transmitting and recieving messages between ships, ships and shore coomunication stations.
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What is Simplex?
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Single channel or frequency on which communications can be exchanged. Stations are capable of either transmitting or receiving but not at the same time.
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What is full duplex?
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Provides two channels or frequencies on which communication can be exchanged. Stations are capable of transmitting and receiving at the same time.
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What is Half Duplex?
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Provides ability to send and receive traffic on a single frequency, but not at the same time.
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What are the different types of call?
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Single call: Only one call sign before DE either individual or collective.
Multiple call: Two or More call signs precede the prosign either individual or collective. |
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How to cancel a transmission?
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By using the prosign EEEEEEEE AR
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What is a RO1 Teleprinter?
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An electronic module and a printer module.
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What is a RO2 Teleprinter?
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Same as RO1 but it also has a bulk storage Module.
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What is a KSR teleprinter?
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RO1 version plus a keyboard module.
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What is a ASR teleprinter?
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Same as RO2 module but it has a keyboard/display module.
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What is the Edit, CMP, CONT CHAR, Bulk, RPT, RTV, RLS and KYBd online key?
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Edit key- enters or exits the edit mode.
CMP key- allows the operator to compose a new message. CONT CHAR key- allows operator to turn the control characterstics on or off the display readout of ASR teleprinter. Bulk key- Used to transfer messages to storage on magnetic tape. CAN Key- cancel or delete a message that is to be edited then compose a new one. RPT Key- the table of contents report is printed RPT pressed with SHIFT a status report is generated. RTV(Retrieve)Key- allows the operator to retrieve messages stored in the electronic circuits. RLS(release)Key-release up to eight single sequentially numbered or randomly numbered message for transmission. KYBD- Key places the teleprinter in character-by character status. |
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What are the two types of communication satellites?
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Active- amplifies received signals and retransmits them back to earth.
Passive- reflects radio signals back to earth. |
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What are the different types of orbit?
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Synchronous orbit- satellite travels at the same speed as the earth's rotation.
Appears to hover motionless in the sky. A non-synchronous is called a asynchronous. |
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Distance from the earth?
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Apogee- is the point in the orbit the greatest distance from the center of the earth.
Perigee- is the point in the orbit nearest the center of the earth. |
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What is the angle of inclination?
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Angular difference between the equatorial plane of the earth and the plane of the orbit of the satellite.
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What are the angles of azimuth and elevation?
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Azimuth- the angular measurement in a horizontal plane in clockwise direction.
Elevation- the angular position perpendicular to the earth's surface. |