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MOD 9 OVERVIEW 1a-5a

Total questions: 79

Worksheet time: 1hrs 1mins

Name
Class
Date
1.
The device that handles the movement of data from the ports to the multiplexer channels and from the demultiplexer channels to the ports? (a)  
Choose from the below words
Port Router
Network Switch
Modem
Hub
2.
How inputs from synchronous data users and digital non-secure/secure voice order wire are combined into a single output Aggregate and supplied to the modem in the terminal radio equipment for transmission? (a)  
Choose from the below words
Merged
Interlaced
Multiplexed
Compounded
3.
This device provides a RS-232 connection to Monitor and control the NSM. (a)  
Choose from the below words
Printer
Scanner
Computer
Keyboard
4.
A synchronous time division digital multiplexer used in a Satellite Earth terminal
a)

Digital Frequency Division Multiplexer

b)

Nodial Satellite Multiplexer (NSM)

c)

Asynchronous Time Division Multiplexer

d)

Radio Frequency Multiplexer

5.
The type of capability the NSM provides to interface the modem in the terminal radio equipment with ground equipment (a)  
Choose from the below words
Half Duplex
Simplex
Multiplex
Full Duplex
6.
These are received and demultiplexed into their composite parts and supplied to the respective data users and digital non-secure/secure voice order wire (a)  
Choose from the below words
Sorted
Assembled
Aggregates
Reconstructed
7.
The electronic patch panel provides this to the data flow (a)  
Choose from the below words
Security
Interconnectivity
Efficiency
Organization
8.
What the NSM is also referred to or known as
a)

Enhanced Tactical Satellite Signal

Processor (ETSSP)

b)

Automated Tactical Surveillance System

c)

Advanced Tactical Surveillance Network

d)

Strategic Surveillance Platform

9.
The NSM provides a total of 26 of these to the user (a)  
Choose from the below words
Connections
Ports
Outlets
Interfaces
10.
The frequencies sent from the down converter to the modem (a)  
Choose from the below words
Intermediate Frequency (IF)
Radio Frequency (RF)
Amplitude Modulation (AM)
Direct Current (DC)
11.
In receive it receives the digital baseband signal from the modem (a)  
Choose from the below words
Data Terminal Equipment (DTE)
Network Interface Card (NIC)
Central Processing Unit (CPU)
Random Access Memory (RAM)
12.
Used to amplify the radio frequency to a level suitable to reach the satellite (a)  
Choose from the below words
Frequency Modulator
Radio Transmitter
High Powered Amplifier(HPA)
Antenna Booster
13.
Primary responsibility is to take the intermediate frequency given to it by the modem and translate it to a usable satellite radio frequency (a)  
Choose from the below words
Down Converter
Frequency Modulator
Up Converter
Amplifier
14.
The radio frequency received from the assigned satellite (a)  
Choose from the below words
Transmission
Downlink
Reception
Amplitude
15.
Used to pass the received signal from the satellite to the low noise amplifier (a)  
Choose from the below words
Antenna
Reflector
Feed Horn
Amplifier
16.
Used to convey the transmit signal from the block up converter to the amplifier (a)  
Choose from the below words
Fiber Optic Cable
Ethernet Cable
USB Cable
Coaxial Cable
17.
Used to control the total power output (a)  
Choose from the below words
Regulation
Attenuation
Amplification
Modulation
18.
The reason why ground terminals often receive a week downlink signal from the satellite (a)  
Choose from the below words
Atmospheric conditions
Frequency of transmission
Distance
Angle of inclination
19.
The component in the amplifier that heats up and amplifies the signal (a)  
Choose from the below words
Tube
Coil
Resistor
Transistor
20.
Assigned to access the satellite which include frequency bands, modulation types, data rate, etc (a)  
Choose from the below words
Specifications
Parameters
Characteristics
Qualities
21.
Translate the downlink frequency into an intermediate frequency (a)  
Choose from the below words
Up Converter
Frequency Modulator
Down Converter
Amplitude Modulator
22.
The frequency produced by the modem and is sent to the up converter (a)  
Choose from the below words
Radio Frequency (RF)
Amplitude Modulation (AM)
Intermediate Frequency (IF)
Direct Current (DC)
23.
Modulates the information into an intermediate frequency (a)  
Choose from the below words
Amplifier
Transmitter
Modem
Encoder
24.
In transmit it provides data to the modem
a)

Network Interface Card (NIC)

b)

Data Terminal Equipment (DTE)

c)

Data Communications Equipment (DCE)

d)

Random Access Memory (RAM)

25.
Amplifies the downlink signal without degrading the signal to noise ratio
a)

Low Noise Amplifier (LNA)

b)

Power Amplifier

c)

Frequency Modulator

d)

Antenna Booster

26.
The most common employed amplifier
a)

Traveling Wave Tube

Amplifier (TWTA)

b)

Vacuum Tube Amplifier

c)

Field Effect Transistor Amplifier

d)

Operational Amplifier

27.
Receives the intermediate frequency from the down converter where it is then used for data extraction
a)

Router

b)

Amplifier

c)

Modem

d)

Transmitter

28.

The 3.9 meter or 13 ft antenna is capable of operation in the C, X, Ku and Ka frequency band

a)

A single band small aperture antenna

b)

Quad Band Large Aperture Antenna (QLAA)

c)

A dual band medium aperture antenna

d)

A tri band wide aperture antenna

29.
The tracking mode that has the antenna repeating it's tracking principles day by day
a)

Memory Track

b)

Automatic Track

c)

Predictive Track

d)

Optrack

30.
The type of support structure the SAA reflector is made of
a)

Steel

b)

Plastic

c)

Aluminum

d)

Wood

31.
Allows the antenna to continuously Peak on the satellites Beacon with minimal drifting
a)

Scanning

b)

Locating

c)

Tracking

d)

Monitoring

32.

Must be changed out to be able to operate to be able to operate in Ka-band

a)

Low Noise Amplifier(LNA)

b)

Modem

c)

High Powered Amplifier (HPA)

d)

Power Supply

33.
Without tracking on antennas who would constantly have to check and adjust terminals to keep a nominal signal to noise ratio
a)

Engineers

b)

Technicians

c)

Operators

d)

Managers

34.
An enhanced version of Optrack that uses initial azimuth elevation and polarization of the satellite and jogs the antenna to set position
a)

Geo Point

b)

Geo Track

c)

Position Track

d)

Geo Scan

35.
The antenna is 4.9 m or 16 ft in diameter and is designed to operate over C X and KU bands
a)

LHGXA

b)

LAMDA

c)

QRSA

d)

ZETA

36.
An enhanced version of Optrack where satellites latitude and longitude are entered instead of azimuth and elevation
a)

Astro Track

b)

Step Track

c)

Geo Track

d)

Position Track

37.

The 2.4 meter or 8 ft dish with an offset feed has eight reflector panels and operates in all four bands (C, X ,Ku ,Ka)

a)

Parabolic Reflector

b)

Small Aperture Antenna (SAA)

c)

Log Periodic Antenna

d)

Yagi Antenna

38.
The antenna is moved to the initial satellite location and will search for any signal that breaches the establish signal threshold
a)

Scan

b)

Position Track

c)

Step Track

d)

Geo Track

39.
The X-band antenna is 4.9 M or 16 ft in diameter and is trailer mounted
a)

Quad Band Large Aperture Antenna (QLAA)

b)

Light Weight High Gain X-band Antenna (LHGXA)

c)

Medium Weight Low Gain X-band Antenna (MWLGXA)

d)

Heavy Weight High Gain X-band Antenna (HGHGXA)

40.
If one is damaged the whole entire must be replaced
a)

Circuit Board

b)

Control Panel

c)

Antenna

d)

Reflector Panel

41.

The X band antenna that is trailer mounted and is 6.1 meters or 20 ft in diameter

a)

Quick Reaction Satellite Antenna (QRSA)

b)

Mobile Satellite Communications Antenna (MSCA)

c)

High Gain Antenna (HGA)

d)

Parabolic Reflector Antenna (PRA)

42.
Stores azimuth, elevation and polarization and can predict where the satellite is in the event of signal loss
a)

Position Track

b)

Op Track

c)

GPS

d)

Geo Track

43.
Each of these has its own feed horn and LNA mounted on the feed boom
a)

Antenna

b)

Band

c)

Transmitter

d)

Receiver

44.
The failure of what internal component inside the T R A K 9000 will cause the module to lose all GPS Almanac data
a)

Antenna

b)

Processor

c)

Battery

d)

Memory

45.
What type of data is stored for quick satellite detection and communication
a)

Geocaching

b)

Almanac

c)

Geotagging

d)

Geolocation

46.
How many 5 MHz outputs are located on the rear of the timing line replaceable unit
a)

Three

b)

Five

c)

Six

d)

Four

47.
Do to each Hub in the GMT having a dedicated timing unit how does it allow both hubs to operate
a)

Independently

b)

Simultaneously

c)

Automatically

d)

Continuously

48.
What does the external GPS antenna receive from GPS satellites that allow the GMT to communicate
a)

Location

b)

Timing

c)

Frequency

d)

Signals

49.
How many components received the 5 megahertz reference output that is supplied by the timing line replaceable unit
a)

Four

b)

Six

c)

Five

d)

Seven

50.

Where is the expansion card accessible from on the TRAK 9000 timing unit

a)

Front Panel

b)

Side Panel

c)

Rear Panel

d)

Top Panel

51.

What type of oscillator does the timing line replaceable unit have?

a)

Quartz

b)

Inductor

c)

Resistor

d)

Rubidium

52.
Where is the external GPS antenna deployed to upon initial setup of the GMT antenna
a)

Inside

b)

Underground

c)

Outside

d)

In the sky

53.
9,000 what component contained within electronic case B/E is responsible for providing stable timing throughout multiple systems that allow the GMT to communicate
a)

RAM

b)

CPU

c)

Motherboard

d)

TRAK

54.
What is supplied with a GPS stratum-1 timing source
a)

Ground Multiband Terminal (GMT)

b)

Global Positioning System (GPS)

c)

Radio Frequency (RF)

d)

Global Navigation Satellite System (GNSS)

55.

How many cases will not fit on the pallet and will require a second pallet in order to ship them?

a)

Four

b)

Five

c)

Six

d)

Seven

56.
Designed for 60 amp, five-wire power cable or equivalent government inventory
a)

Circuit Breakers

b)

Power Distribution Panels (PDP)

c)

Fuses

d)

Extension Cords

57.
Which of the antennas is factory provided with the GMT?
a)

Medium Aperature Antenna (MAA)

b)

Large Aperature Antenna (LAA)

c)

High Gain Antenna (HGA)

d)

Small Aperature Antenna (SAA)

58.
How many qualified personnel are required to set up and teardown the GMT?
a)

Three

b)

Two

c)

Four

d)

Five

59.
Out of the 29 transit cases, how many electronic cases are there?
a)

Eight

b)

Ten

c)

Six

d)

Twelve

60.

Since the GMT is a dual hub system, how many down links is it capable of?

a)

Six

b)

Eight

c)

Twelve

d)

Ten

61.
Per Hub, How many uplinks is the GMT capable of?
a)

Two

b)

One

c)

Three

d)

Four

62.
The GMT comes with two of these that are identical and interchangeable for quick trouble shooting.
a)

Switches

b)

Routers

c)

Hubs

d)

Antennas

63.
The local PDP has to be within how many feet of the local power source
a)

50ft

b)

100ft

c)

25ft

d)

75ft

64.
It is dedicated to preserving power for a limited amount of time in the event of a facility or generator failure.
a)

Battery

b)

Uninterruptible Power Supply (UPS)

c)

Solar Panel

d)

Generator

65.
This type of distribution is one of the most important aspects of all communications equipment.
a)

Frequency Distribution

b)

Network Distribution

c)

Power Distribution

d)

Signal Distribution

66.
The GMT is only supplied with one of these and a second one is required for a second hub.
a)

Router

b)

Cable

c)

Modem

d)

Antenna

67.
Conveys signals to and from the dish and is often attached to waveguides.
a)

Feed Horn

b)

Antenna

c)

Reflector

d)

Amplifier

68.
This physical characteristic of the parabolic reflector is inversely proportionate to the wavelength that is being used
a)

Size

b)

Shape

c)

Distance

d)

Angle

69.
This type of polarization can be adjusted for either right handed polarization or left handed polarization.
a)

Circular

b)

Linear

c)

Elliptical

d)

Horizontal

70.
Receives the IF from the modem and performs the final translation to transmit radio frequency.
a)

Up Converter

b)

Down Converter

c)

Amplifier

d)

Transceiver

71.
In transmit, it modulates the information, turning the digital base-band into analog Intermediate frequency
a)

Modem

b)

Router

c)

Amplifier

d)

Encoder

72.
Randomizes data and makes it difficult to read without the proper key at the receiver
a)

Scrambling

b)

Encrypting

c)

Hiding

d)

Masking

73.
They possess a complex suite of equipment intended to pass tactical information thousands of miles away and can be located on the ground, in the air or on a ship.
a)

Terminals

b)

Computers

c)

Radios

d)

Networks

74.
Uses mathematical algorithms to protect information using either a pre-shared key or a public/private relationship
a)

Encryption

b)

Decryption

c)

Hashing

d)

Compression

75.
Compromised of a parabolic dish of varying size and is used for transmitting and receiving microwave frequencies to and from space
a)

Reflector

b)

Amplifier

c)

Transponder

d)

Antenna

76.
The shape of the reflector results in a much higher gain than other antennas
a)

Parabolic

b)

Circular

c)

Triangular

d)

Rectangular

77.
Due to this type of outer conducting shield the inner conductor is less vulnerable to electromagnetic interference(EMI) which is ideal for most environments.
a)

Grounded

b)

Isolated

c)

Shielded

d)

Protected

78.
This process adds an artificial redundancy to a data stream and uses it to fix errors caused by noise and interference by sending multiple copies of the message to the distant end
a)

Forward Error Correction (FEC)

b)

Data Encryption Standard (DES)

c)

Cyclic Redundancy Check (CRC)

d)

Automatic Repeat Request (ARQ)

79.
This type of polarization can be adjusted to either horizontal or vertical
a)

Linear

b)

Circular

c)

Elliptical

d)

Angular

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