Tactical Systems

Front 1

The equipment in a computer system that you can see, touch, connect, and disconnect is? _____.
A. Software
B. Random Access Memory
C. CTOS
D. Hardware

Back 1

D. Hardware

Front 2

What is the function of a modem in a computer system?
A. To transfer data from one computer to another computer over telephone lines.
B. To provide data security.
C. To transfer computer data over HF, UHF radio systems.
D. To change computer data to a format that can be printed on a laser printer.

Back 2

A. To transfer data from one computer to another computer over telephone lines.

Front 3

From a classified computer, you have printed out some unclassified chart
overlays for the ship’s next patrol. Can you store the overlays on the bridge?
A. Yes, as long as they are not out in the open.
B. Yes, if they are stamped FOUO.
C. No, the they must be labeled and stored as classified material.
D. No, the they must be kept in CIC.

Back 3

C. No, the they must be labeled and stored as classified material.

Front 4

Your PC’s hard drive has accidentally become classified material. What manual contains the procedures for declassifying or clearing the hard drive?
A. COMDTINST M10550.25, Electronics Manual
B. COMDTINST M5500.13, Automated Security Systems Manual
C. COMDTINST M9000.6 (Series), Naval Engineering Manual
D. COMDTINST M2000.3 (Series), Telecommunications Manual

Back 4

B. COMDTINST M5500.13, Automated Security Systems Manual

Front 5

You are a new user on a tactical computer system. What system component provides your user ID and password?
A. System Hardware
B. Peripheral Equipment
C. System Software
D. Application Software

Back 5

C. System Software

Front 6

SCCS stands for what?

Back 6

Shipboard Command and Control System

Front 7

What is the largest and most complex tactical computer used by the Coast Guard?

Back 7

Shipboard Command and Control System (SCCS)

Front 8

The SCCS system contains what kind of hardware?

Back 8

· Tactical Computers
· Workstations
· Radar Display and Distribution System (RADDS)
· Remote Information/Interface/Control System (STATNET)
· Local Area Network (LAN)
· CIC/Bridge OOD Display Equipment
· Printers

Front 9

What type of tactical computer is used on a 378 cutter?

Back 9

Tactical Advanced Computer Three (TAC-3)

Front 10

What type of tactical computer is used on a 270 and 210 class cutter?

Back 10

Tactical Advanced Computer Four (TAC-4)

Front 11

How many SCCS workstations are located in CIC?

Back 11

4

Front 12

RADDS stands for what?

Back 12

The Radar Display and Distribution System

Front 13

The Radar Display and Distribution System (RADDS) provides what capabilities?

Back 13

switching capability between a ship’s radars and monitors from any SCCS workstation, STATNET, or RADDS panel position.

Front 14

The RADDS accepts inputs for switching from what systems?

Back 14

· AN/SPS-40 Air Search Radar
· MK-11 IFF System
· MK-92 Fire Control Radar System
· AN/SPS-64, X-Band and S-Band Surface Search Radars
· AN/SPS-73 SSR, X-Band, and S-Band Surface Search Radars

Front 15

STATNET is what?

Back 15

The Remote Information/Interface/Control Status Network System

Front 16

There are two software operating systems used for SCCS, what are they?

Back 16

· The software operating system for the tactical computers is called JMCIS and is a Unix based system.
· The software operating system for the STATNET Touch Panel PC is Windows NT

Front 17

JMCIS stands for what?

Back 17

The Joint Maritime Command Information System

Front 18

what software is the heart of the SCCS system?

Back 18

The JMCIS software

Front 19

STATNET performs what basic functions?

Back 19

· Interface with any device or equipment connected to the tactical computers
· Provide a current tactical picture to any station on the LAN

Front 20

What are the shipboard tactical communications circuits used by the SCCS?

Back 20

· OTXICS
· Link 11
· BCST

Front 21

Link 11 is the Navy’s and Coast Guard’s WHEC 378 class cutters primary method for doing what?

Back 21

a battle group exchanges target track information between air, surface, and subsurface sensor platforms

Front 22

Link 11 has capabilities of being used over what three frequency ranges:

Back 22

· HF
· UHF
· SATCOM

Front 23

Link 11 information may be displayed on what?

Back 23

any or all monitors in the tactical computer system

Front 24

What are the two Broadcast (BCST) circuits that interface with the SCCS?

Back 24

· High Interest Target Broadcast (HIT BCST)
· Fleet Broadcast (FLT BCST)

Front 25

What sensors are part of the SCCS system?

Back 25

· Navigational Sensors
· Tactical Sensors
· Optical Surveillance Sensors

Front 26

What type of encryption equipment is used for OTCIXS?
A. KG-40 Crypto Equipment
B. Secure Voice Switch Board Equipment
C. KG-84 Crypto Equipment
D. STU-III

Back 26

C. KG-84 Crypto Equipment

Front 27

What type of information is exchanged over Link 11 circuits?
A. Operational communications.
B. SATCOM information.
C. Optical Surveillance System information.
D. Radar target tracking information.

Back 27

D. Radar target tracking information.

Front 28

Where are inputs to the RADDS displayed in CIC?
A. CPU1
B. AN/SPA-25 Indicators
C. Status Boards
D. ECDIS

Back 28

B. AN/SPA-25 Indicators

Front 29

Your ET3 tells you that the OTCIXS transceiver is malfunctioning, which transceiver is causing the problem?
A. AN/URC-116 (V)4
B. AN/WSC-3
C. VIGC
D. AN/URC-114

Back 29

B. AN/WSC-3

Front 30

What type of computer configuration is used by the SCCS?
A. JMCIS
B. Peer-to-peer
C. Client/Server
D. Stand Alone

Back 30

C. Client/Server

Front 31

COMDAC stands for what?

Back 31

Command Display and Control

Front 32

You are looking for the COMDAC system is parent nomenclature on your EIR. What should the nomenclature be?
A. AN/YUK-20A
B. AN/SSQ-98
C. AN/SSR-73
D. AN/SQS-38

Back 32

B. AN/SSQ-98

Front 33

The tactical computers are not receiving input data from navigational sensors or fire control. Which unit would be the most likely cause of the problem?
A. Console Electronics Unit (CEU)
B. Console Multiplexed Unit (CMU)
C. System Multiplexed Unit (SMU)
D. Data Converter Unit (DCU)

Back 33

D. Data Converter Unit (DCU)

Front 34

What tactical communication capability is provided by COMDAC?
A. The ability of the operator to select a variety of transceivers for patching to remote sites.
B. OTCIXS
C. Link 11
D. ECDIS

Back 34

A. The ability of the operator to select a variety of transceivers for patching to remote sites.

Front 35

Which unit in the RADAR and Video subsystem provides alphanumerics and graphics?
A. Scan Converter (SC)
B. Cue Generator (CG)
C. Video Selection Matrix (VSM)
D. Radar Video Processor (RVP)

Back 35

B. Cue Generator (CG)

Front 36

What operator control is used to position the searchlight in the optical surveillance system?
A. Keyboard
B. Mouse
C. Joy Stick
D. Function Entry Buttons (FEBs)

Back 36

C. Joy Stick

Front 37

ISCS stands for what?

Back 37

Integrated Ship Command System (ISCS)

Front 38

The ISCS system is being installed on what class of cutters?

Back 38

WLM and WLB

Front 39

What are the main components of the ISCS system?

Back 39

· Main Data Systems
· SAFENET LAN
· Sensors.

Front 40

ISCS is similar to the SCCS system except that it adds a system for controlling what?

Back 40

the ship’s propulsion and engine machinery

Front 41

Which ISCS data system allows the ship to approach and automatically maintain a position?
A. Electronic Chart Display and Information System (ECDIS).
B. Machinery Plant Control and Monitoring System (MPCMS).
C. Dynamic Positioning System (DPS).
D. Trunk Coupling Unit (TCU).

Back 41

C. Dynamic Positioning System (DPS).

Front 42

You have a main engine overheat indication. Which data system provides that indication?
A. Electronic Chart Display and Information System (ECDIS).
B. Machinery Plant Control and Monitoring System (MPCMS).
C. Dynamic Positioning System (DPS).
D. Sensors System.

Back 42

B. Machinery Plant Control and Monitoring System (MPCMS).

Front 43

You need to replace an optical switch in the ship’s ISCS. What piece of equipment will you be working in?
A. LIU
B. TCU
C. DPS
D. SAFENET LAN

Back 43

B. TCU

Front 44

Which ISCS system component provides a distributed digital communications capability that enables data exchange between connected systems?
A. SAFNET LAN.
B. LAN Interface Units.
C. Electronic Chart Display and Information System (ECDIS).
D. Sensors System.

Back 44

A. SAFNET LAN.

Front 45

Which of the following sensors provide input into an ISCS system?
A. IFF
B. Deep Water
C. Air Search Radar
D. ESM

Back 45

B. Deep Water

Front 46

Fiber optic systems offer many advantage over wire systems. The current disadvantage is what?

Back 46

the higher costs of fiber optic cable and equipment

Front 47

What are some advantages of using fiber optic cables over copper cable systems?

Back 47

EMI Immunity
Low Loss (Attenuation)
High Bandwidth
Size
Light Weight
Transmission Security
Safety
Low Maintenance

Front 48

What are the three material classifications of fiber?

Back 48

· All Glass
· All Plastic
· Plastic Clad Silica (PCS)

Front 49

A fiber optic mode describes what?

Back 49

How many paths the light can travel within the cable?

Front 50

Describe single-mode fiber optic?

Back 50

Transmits one mode, or light path, with very low loss of signal.

Front 51

Describe Multi-mode fiber optic?

Back 51

Transmits many modes (500+) (light paths). This is the optical fiber used for most Coast Guard installations.

Front 52

Name the parts of a fiber optic cable?

Back 52

· Core
· Cladding
· Coating or Buffer
· Kevlar Strength Member
· Jacket

Front 53

What are the two types of connectors most commonly used by the coast guard?

Back 53

· Single Terminus (ST) Connectors
· Subscriber (SC) Connectors

Front 54

What are the two broad categories that describe the techniques used for splicing fiber cables?

Back 54

· Mechanical Splice
· Fusion Splice

Front 55

What is the approved fiber mechanical splice for use aboard coast guard cutters?

Back 55

Rotary Splice using MIL-S-24623/4 splice ferrules.

Front 56

Fiber optic systems normally operate with wavelengths of what?

Back 56

800hm and 1550hm

Front 57

What publication should you use to find specific fiber optic installation procedures for afloat units?
A. COMDTINST M10550.25
B. MIL-STD-2042A (SH)
C. National Electric Code (NEC)
D. MIL-STD-188124A

Back 57

B. MIL-STD-2042A (SH)

Front 58

Which part of a fiber is made of the most dense material?
A. Cladding
B. Strength Member
C. Ferrule
D. Core

Back 58

D. Core

Front 59

When you are working with fibers why should you use a dark work mat, table, or workbench?
A. To prevent accidental curing of UV adherents.
B. The dark surface makes it easier to see glass fibers or chips.
C. To prevent eye injuries due to glare.
D. To keep track of toxic epoxy spills.

Back 59

B. The dark surface makes it easier to see glass fibers or chips.

Front 60

What are the two methods used for removing the jacket and buffer from fiber optic cables?

Back 60

· Mechanical Stripers
· Chemical Strippers

Front 61

What is a safety concern for a handheld fiber cleaver?

Back 61

The tip of the handheld cleaver is extremely sharp and can easily cut or puncture skin

Front 62

What is epoxy used for when working with fiber optic connectors?

Back 62

used to hold the connector parts together and keep the fiber steady inside the connector ferrule

Front 63

Which fiber optic tool is a controlled item?

Back 63

Syringe Applicators

Front 64

What is the purpose of fiber polishing?

Back 64

removes any surface residue, small scratches, pits, and spurs in the end of the fiber that will be making the optical connection

Front 65

What are the two types of polishing surfaces used for fiber connector polishing?

Back 65

· Hard Surface
· Soft Surface

Front 66

What is the fiber tool "lapping film" used for?

Back 66

Lapping film is very much like sandpaper and is used to polish connectors to a mirror-like finish.

Front 67

What two tools are used to perform a quality check on fiber connectors?

Back 67

· Jeweler’s Loupe
· Inspection Microscopes

Front 68

When storing fiber optic cables they must be protected from temperatures of what?

Back 68

less than -40 degrees F, or more than 158 degrees F

Front 69

All fiber optic cables shall be marked with what two letters followed by a dash and the rest of the circuit diesignation?

Back 69

FO

Front 70

When performing a quality check on fiber connectors Examine the connector with an optical microscope to ensure that the optical surface is smooth and free of the what?

Back 70

· scratches
· pits
· chips, and
· fractures

Front 71

What are the two methods for removing fiber jackets or buffers?
A. Cleaver, and Kevlar Shears
B. Mechanical and Chemical Strippers
C. Chemical and UV Heat
D. Pliers, and Isopropyl Alcohol

Back 71

B. Mechanical and Chemical Strippers

Front 72

The time epoxy takes to harden is known as its?
A. Shelf Life
B. UV Rating
C. Pot Life
D. Wave Length

Back 72

C. Pot Life

Front 73

How should fiber optic cables be identified on cable identification tags?
A. All fiber optic cables shall be marked with F, followed by a dash, and the rest of the circuit designation identification number.
B. All fiber optic cables shall be marked with FO, followed by a dash, and the rest of the circuit designation number.
C. All fiber optic cables shall be marked with O, followed by a dash, and the rest of the circuit designation number.
D. All optical fiber cables shall be marked with OF, followed by a dash, and the rest of the circuit designation number.

Back 73

B. All fiber optic cables shall be marked with FO, followed by a dash, and the rest of the circuit designation number.

Front 74

Fiber optic cables should be protected from bends that violate the minimum short term bend diameter of what?
A. 2 times the cable outside diameter.
B. 3 times the cable outside diameter.
C. 8 times the cable diameter.
D. 16 times the cable diameter.

Back 74

C. 8 times the cable diameter.

Front 75

What piece of test equipment is used to test fiber optic cables?

Back 75

The Optical Time Domain Reflectometer (OTDR)

Front 76

The Optical Time Domain
Reflectometer (OTDR) test attenuation, continuity and distance by doing what?

Back 76

uses light in the fiber to measure signal travel time and signal strength reflections

Front 77

You are making a calibration cable for an OTDR, how long should the cable be?
A. 250 - 500 meters
B. 50 - 75 meters
C. Less than 100 meters
D. Greater than 100 meters.

Back 77

D. Greater than 100 meters.

Front 78

You are using an OTDR to measure the length of a cable, what can you do to avoid DZ interference with your reading?
A. Use a calibration cable to connect the OTDR to the cable under test.
B. Use a MQJ to connect the OTDR to the cable under test.
C. Use the smallest pulse width available on the OTDR.
D. Ensure the the end of the fiber being tested has a clean, mirror-like polish.

Back 78

B. Use a MQJ to connect the OTDR to the cable under test.

Front 79

What is the maximum component loss value for an installed ST Connector?
A. .2 db tuned
B. .6 db untuned
C. 1.0 db
D. 2.0 db

Back 79

C. 1.0 db

Front 80

What category of computer is used for most Coast Guard tactical computer systems?
A. Microcomputers (PC)
B. Minicomputers
C. Mainframe computers
D. Super computers

Back 80

A. Microcomputers (PC)

Front 81

Which of the following is an example of a computer output?
A. Software
B. Memory
C. Printed Documents
D. Logic Operations

Back 81

C. Printed Documents

Front 82

What type of hard drive is most often used in tactical computer systems?
A. Integrated Disk Electronics (IDE)
B. Small Computer Interface (SCSI 2)
C. Fast Wide SCSI (SCSI 3)
D. CD-ROM

Back 82

C. Fast Wide SCSI (SCSI 3)

Front 83

Which computer in a client/server network runs the network?
A. The Microcomputer
B. The PC
C. The Client
D. The Server

Back 83

D. The Server

Front 84

How many pins are on a Fast Wide SCSI interface cable connector?
A. 40
B. 50
C. 68
D. 72

Back 84

C. 68

Front 85

Which of the following is an example of system software?
A. Unix
B. Document Designer
C. E-mail
D. OTCIXS

Back 85

A. Unix

Front 86

Which type of tactical computers are used in SCCS 270?
A. Tac-2
B. Tac-3
C. Tac-4
D. AN/YUK-20

Back 86

C. Tac-4

Front 87

Which of the computers on an SCCS 378 system is designated for Link 11 operations?
A. JOTS1
B. JOTS2
C. JOTS3
D. CPU2

Back 87

C. JOTS3

Front 88

What operating software is used by tactical computers on an SCCS 378 system?
A. STATNET
B. JMCIS
C. JOTS
D. OTCIXS

Back 88

B. JMCIS

Front 89

Which tactical computer provides the interface for the Optical Surveillance System with an SCCS 378 System?
A. JOTS1
B. JOTS2
C. JOTS3
D. AN/YUK-20A

Back 89

B. JOTS2

Front 90

The operating system for the STATNET Touch units is ______.
A. UNIX based
B. Windows NT AND UNIX based
C. CTOS based
D. JMCIS based

Back 90

B. Windows NT AND UNIX based

Front 91

The purpose of the AN/UYH-8 Magnetic Bubble Memory Unit is to ______.
A. process, store, and display tactical information
B. provide data cartridge magnetic tape storage and data transfer capabilities
C. provide a Random Access Mass Storage System (RAMSS) for all three tactical computers
D. transfer navigational information from paper charts to digital information

Back 91

C. provide a Random Access Mass Storage System (RAMSS) for all three tactical computers

Front 92

Which COMDAC computer is the server in a COMDAC system?
A. CPU1
B. CPU2
C. CPU3
D. There is no server in a COMDAC system. Each computer operates individually with separate capabilities.

Back 92

D. There is no server in a COMDAC system. Each computer operates individually with separate capabilities.

Front 93

Which COMDAC computer is configured to be the tactical computer?
A. CPU1
B. CPU2
C. CPU3
D. AN/YUK-20

Back 93

A. CPU1

Front 94

The GPS has a good output but the information is not being received at CPU1. Which piece of equipment is most likely at faulty?
A. Data Converter Interface (DCU)
B. Level Shifter Interface
C. Secure Voice Switch Board (SVSB)
D. Scan Converter

Back 94

B. Level Shifter Interface

Front 95

What effect does EMI have on fiber optic cable installations?
A. Fiber optic cables are not affected by EMI.
B. EMI is as much of a problem in fiber optic cables as it is in metallic cables.
C. Very low level EMI is carried in a fiber optic system.
D. EMI can render a fiber optic system useless.

Back 95

A. Fiber optic cables are not affected by EMI.

Front 96

Most fiber optic systems operate in what three wavelength windows?
A. High Frequency, Medium Frequency, Low Frequency.
B. 850hm, 1300hm, 1500hm.
C. 3db, 0db, -3db.
D. Low hm, Med. hm, Hi hm.

Back 96

B. 850hm, 1300hm, 1500hm.

Front 97

You are looking at an OTDR that shows Fresenel Reflection at 300 meters, What could be the cause?
A. A ghost reflection.
B. A bad splice.
C. EMI.
D. A large DZ.

Back 97

B. A bad splice.

Front 98

What is an important advantage of fiber optic cable over metal cables when working with high frequency signals?
A. Attenuation in fiber optic cables does not increase with signal frequency as it does with metallic cables.
B. There is no advantage over metal cables when dealing with high frequencies.
C. There is less susceptibility to EMI interference with increased signal frequency in fiber optic cables.
D. Fiber optic cables do not increase in size when there is an increase in signal frequency.

Back 98

A. Attenuation in fiber optic cables does not increase with signal frequency as it does with metallic cables.

Front 99

What color of the heat shrink tubing is used to identify individual fibers?
A. Yellow
B. Blue
C. White
D. Red

Back 99

C. White