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99 Cards in this Set

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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
D. Hardware
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.
A. To transfer data from one computer to another computer over telephone lines.
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.
C. No, the they must be labeled and stored as classified material.
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
B. COMDTINST M5500.13, Automated Security Systems Manual
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
C. System Software
SCCS stands for what?
Shipboard Command and Control System
What is the largest and most complex tactical computer used by the Coast Guard?
Shipboard Command and Control System (SCCS)
The SCCS system contains what kind of hardware?
· 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
What type of tactical computer is used on a 378 cutter?
Tactical Advanced Computer Three (TAC-3)
What type of tactical computer is used on a 270 and 210 class cutter?
Tactical Advanced Computer Four (TAC-4)
How many SCCS workstations are located in CIC?
4
RADDS stands for what?
The Radar Display and Distribution System
The Radar Display and Distribution System (RADDS) provides what capabilities?
switching capability between a ship’s radars and monitors from any SCCS workstation, STATNET, or RADDS panel position.
The RADDS accepts inputs for switching from what systems?
· 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
STATNET is what?
The Remote Information/Interface/Control Status Network System
There are two software operating systems used for SCCS, what are they?
· 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
JMCIS stands for what?
The Joint Maritime Command Information System
what software is the heart of the SCCS system?
The JMCIS software
STATNET performs what basic functions?
· Interface with any device or equipment connected to the tactical computers
· Provide a current tactical picture to any station on the LAN
What are the shipboard tactical communications circuits used by the SCCS?
· OTXICS
· Link 11
· BCST
Link 11 is the Navy’s and Coast Guard’s WHEC 378 class cutters primary method for doing what?
a battle group exchanges target track information between air, surface, and subsurface sensor platforms
Link 11 has capabilities of being used over what three frequency ranges:
· HF
· UHF
· SATCOM
Link 11 information may be displayed on what?
any or all monitors in the tactical computer system
What are the two Broadcast (BCST) circuits that interface with the SCCS?
· High Interest Target Broadcast (HIT BCST)
· Fleet Broadcast (FLT BCST)
What sensors are part of the SCCS system?
· Navigational Sensors
· Tactical Sensors
· Optical Surveillance Sensors
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
C. KG-84 Crypto Equipment
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.
D. Radar target tracking information.
Where are inputs to the RADDS displayed in CIC?
A. CPU1
B. AN/SPA-25 Indicators
C. Status Boards
D. ECDIS
B. AN/SPA-25 Indicators
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
B. AN/WSC-3
What type of computer configuration is used by the SCCS?
A. JMCIS
B. Peer-to-peer
C. Client/Server
D. Stand Alone
C. Client/Server
COMDAC stands for what?
Command Display and Control
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
B. AN/SSQ-98
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)
D. Data Converter Unit (DCU)
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
A. The ability of the operator to select a variety of transceivers for patching to remote sites.
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)
B. Cue Generator (CG)
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)
C. Joy Stick
ISCS stands for what?
Integrated Ship Command System (ISCS)
The ISCS system is being installed on what class of cutters?
WLM and WLB
What are the main components of the ISCS system?
· Main Data Systems
· SAFENET LAN
· Sensors.
ISCS is similar to the SCCS system except that it adds a system for controlling what?
the ship’s propulsion and engine machinery
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).
C. Dynamic Positioning System (DPS).
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.
B. Machinery Plant Control and Monitoring System (MPCMS).
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
B. TCU
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.
A. SAFNET LAN.
Which of the following sensors provide input into an ISCS system?
A. IFF
B. Deep Water
C. Air Search Radar
D. ESM
B. Deep Water
Fiber optic systems offer many advantage over wire systems. The current disadvantage is what?
the higher costs of fiber optic cable and equipment
What are some advantages of using fiber optic cables over copper cable systems?
EMI Immunity
Low Loss (Attenuation)
High Bandwidth
Size
Light Weight
Transmission Security
Safety
Low Maintenance
What are the three material classifications of fiber?
· All Glass
· All Plastic
· Plastic Clad Silica (PCS)
A fiber optic mode describes what?
How many paths the light can travel within the cable?
Describe single-mode fiber optic?
Transmits one mode, or light path, with very low loss of signal.
Describe Multi-mode fiber optic?
Transmits many modes (500+) (light paths). This is the optical fiber used for most Coast Guard installations.
Name the parts of a fiber optic cable?
· Core
· Cladding
· Coating or Buffer
· Kevlar Strength Member
· Jacket
What are the two types of connectors most commonly used by the coast guard?
· Single Terminus (ST) Connectors
· Subscriber (SC) Connectors
What are the two broad categories that describe the techniques used for splicing fiber cables?
· Mechanical Splice
· Fusion Splice
What is the approved fiber mechanical splice for use aboard coast guard cutters?
Rotary Splice using MIL-S-24623/4 splice ferrules.
Fiber optic systems normally operate with wavelengths of what?
800hm and 1550hm
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
B. MIL-STD-2042A (SH)
Which part of a fiber is made of the most dense material?
A. Cladding
B. Strength Member
C. Ferrule
D. Core
D. Core
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.
B. The dark surface makes it easier to see glass fibers or chips.
What are the two methods used for removing the jacket and buffer from fiber optic cables?
· Mechanical Stripers
· Chemical Strippers
What is a safety concern for a handheld fiber cleaver?
The tip of the handheld cleaver is extremely sharp and can easily cut or puncture skin
What is epoxy used for when working with fiber optic connectors?
used to hold the connector parts together and keep the fiber steady inside the connector ferrule
Which fiber optic tool is a controlled item?
Syringe Applicators
What is the purpose of fiber polishing?
removes any surface residue, small scratches, pits, and spurs in the end of the fiber that will be making the optical connection
What are the two types of polishing surfaces used for fiber connector polishing?
· Hard Surface
· Soft Surface
What is the fiber tool "lapping film" used for?
Lapping film is very much like sandpaper and is used to polish connectors to a mirror-like finish.
What two tools are used to perform a quality check on fiber connectors?
· Jeweler’s Loupe
· Inspection Microscopes
When storing fiber optic cables they must be protected from temperatures of what?
less than -40 degrees F, or more than 158 degrees F
All fiber optic cables shall be marked with what two letters followed by a dash and the rest of the circuit diesignation?
FO
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?
· scratches
· pits
· chips, and
· fractures
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
B. Mechanical and Chemical Strippers
The time epoxy takes to harden is known as its?
A. Shelf Life
B. UV Rating
C. Pot Life
D. Wave Length
C. Pot Life
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.
B. All fiber optic cables shall be marked with FO, followed by a dash, and the rest of the circuit designation number.
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.
C. 8 times the cable diameter.
What piece of test equipment is used to test fiber optic cables?
The Optical Time Domain Reflectometer (OTDR)
The Optical Time Domain
Reflectometer (OTDR) test attenuation, continuity and distance by doing what?
uses light in the fiber to measure signal travel time and signal strength reflections
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.
D. Greater than 100 meters.
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.
B. Use a MQJ to connect the OTDR to the cable under test.
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
C. 1.0 db
What category of computer is used for most Coast Guard tactical computer systems?
A. Microcomputers (PC)
B. Minicomputers
C. Mainframe computers
D. Super computers
A. Microcomputers (PC)
Which of the following is an example of a computer output?
A. Software
B. Memory
C. Printed Documents
D. Logic Operations
C. Printed Documents
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
C. Fast Wide SCSI (SCSI 3)
Which computer in a client/server network runs the network?
A. The Microcomputer
B. The PC
C. The Client
D. The Server
D. The Server
How many pins are on a Fast Wide SCSI interface cable connector?
A. 40
B. 50
C. 68
D. 72
C. 68
Which of the following is an example of system software?
A. Unix
B. Document Designer
C. E-mail
D. OTCIXS
A. Unix
Which type of tactical computers are used in SCCS 270?
A. Tac-2
B. Tac-3
C. Tac-4
D. AN/YUK-20
C. Tac-4
Which of the computers on an SCCS 378 system is designated for Link 11 operations?
A. JOTS1
B. JOTS2
C. JOTS3
D. CPU2
C. JOTS3
What operating software is used by tactical computers on an SCCS 378 system?
A. STATNET
B. JMCIS
C. JOTS
D. OTCIXS
B. JMCIS
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
B. JOTS2
The operating system for the STATNET Touch units is ______.
A. UNIX based
B. Windows NT AND UNIX based
C. CTOS based
D. JMCIS based
B. Windows NT AND UNIX based
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
C. provide a Random Access Mass Storage System (RAMSS) for all three tactical computers
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.
D. There is no server in a COMDAC system. Each computer operates individually with separate capabilities.
Which COMDAC computer is configured to be the tactical computer?
A. CPU1
B. CPU2
C. CPU3
D. AN/YUK-20
A. CPU1
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
B. Level Shifter Interface
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.
A. Fiber optic cables are not affected by EMI.
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.
B. 850hm, 1300hm, 1500hm.
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.
B. A bad splice.
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.
A. Attenuation in fiber optic cables does not increase with signal frequency as it does with metallic cables.
What color of the heat shrink tubing is used to identify individual fibers?
A. Yellow
B. Blue
C. White
D. Red
C. White