Ground Radar Systems Z1c851 Volumes 1-4 Test
.
- 1.
Which enlisted training element is assigned by the supervisor in accordance with AFI 36-2201, Classifying Military Personnel (Officer and Enlisted)?
- A.
Core Task
- B.
Duty Competency
- C.
Core Competency
- D.
Duty Position Task
Correct Answer
D. Duty Position TaskExplanation
Volume 1 - 001Rate this question:
-
- 2.
Defense Support of Civil Authorities (DSCA), Humanitarian Relief Operations (HUMRO), Non-Combatant Evacuation Operations (NEO) and support to International Law Enforcement are all examples of:
- A.
Operational Capabilities Packages
- B.
Theater Deployable Communications
- C.
Manpower and Equipment Force Packaging
- D.
Air and Space Expeditionary Task Force Modules
Correct Answer
A. Operational Capabilities PackagesExplanation
Volume 1 - 004Rate this question:
-
- 3.
Who is the advisor for all matters affecting the career field?
- A.
Unit Training Manager (UTM)
- B.
Base Functional Manager (BFM)
- C.
Major Command Functional Manager (MFM)
- D.
Air Force Career Field Manager (AFCFM)
Correct Answer
D. Air Force Career Field Manager (AFCFM)Explanation
Volume 1 - 001Rate this question:
-
- 4.
What is the main goal of the utilization and training workshop (U&TW)?
- A.
Modify Training
- B.
Conduct climate training surveys
- C.
Review the occupational analysis report
- D.
Establish a viable Career Field Education and Training Plan (CFETP)
Correct Answer
D. Establish a viable Career Field Education and Training Plan (CFETP)Explanation
volume 1 - 001Rate this question:
-
- 5.
Which of the following places air and expeditionary force (AEF) forces in a "ready to deploy" state and supports global requirements, home station requirements or support to Combatant Commanders (CCDR)?
- A.
Posturing
- B.
Tempo Bands
- C.
Unit Type Codes
- D.
Joint Manning Document
Correct Answer
A. PosturingExplanation
Volume 1 - 004Rate this question:
-
- 6.
Which system is capable of identifying, sequencing, and separating aircraft; providing final approach guidance, and controlling instructions to aircraft at deployed locations in all types of weather?
- A.
Global Command and Control System (GCCS)
- B.
Theater Battle Management Core System (TBMCS)
- C.
Joint Worldwide Intelligence Communications System (JWICS)
- D.
Deployable Air Traffic Control and Landing Systems (DATCALS)
Correct Answer
D. Deployable Air Traffic Control and Landing Systems (DATCALS)Explanation
Volume 1 - 005Rate this question:
-
- 7.
In what year did the Air Force finalize and publish its information operations (IO) doctrine and the Joint Staff publish its IO doctrine?
- A.
1994
- B.
1995
- C.
1997
- D.
1998
Correct Answer
D. 1998Explanation
volume 1 - 006Rate this question:
-
- 8.
Which of these are directive publications that provide essential procedural guidance on implementing Air Force policies?
- A.
Air Force Manuals
- B.
Air Force Pamphlets
- C.
Air Force Instructions
- D.
Air Force Policy Directives
Correct Answer
C. Air Force InstructionsExplanation
Volume 1 - 006Rate this question:
-
- 9.
Which mandatory item of a Privacy Act Statement best describes the reason information is collected?
- A.
Purpose
- B.
Authority
- C.
Disclosure
- D.
Routine Use
Correct Answer
A. PurposeExplanation
Volume 1 - 007Rate this question:
-
- 10.
The Communication Security (COMSEC) program is designed to
- A.
Relocate classified material to strengthen security
- B.
Conduct assessments to evaluate compromise of national security
- C.
Deflect unauthorized interception and analysis of compromising emanations
- D.
Detect and correct procedural weaknesses that could expose critical information
Correct Answer
D. Detect and correct procedural weaknesses that could expose critical informationExplanation
Volume 1 - 007Rate this question:
-
- 11.
What term best describes unintended signals or noise appearing external to a piece of communications equipment?
- A.
Emission
- B.
Emulation
- C.
Emanation
- D.
Signal Leakage
Correct Answer
C. EmanationExplanation
Volume 1 - 008Rate this question:
-
- 12.
Which condition indicates there is no apparent terrorist activity against computer networks?
- A.
INFOCON 1
- B.
INFOCON 2
- C.
INFOCON 4
- D.
INFOCON 5
Correct Answer
D. INFOCON 5Explanation
Volume 1 - 008Rate this question:
-
- 13.
The two categories of the Open Security Interconnect (OSI) reference model are
- A.
Data and Lower Layers
- B.
Data Link and Physical Layers
- C.
Application and Internet Layers
- D.
Application and Data Transport Layers
Correct Answer
D. Application and Data Transport LayersExplanation
Volume 1 - 010Rate this question:
-
- 14.
What topology defines the way in which devices communicate, and data is transmitted, throughout the network?
- A.
Physical
- B.
Logical
- C.
Hybrid
- D.
Star
Correct Answer
B. LogicalExplanation
Volume 1 - 010Rate this question:
-
- 15.
Which common port contains Hyper Text Transfer Protocol (HTTP) servers and proxies?
- A.
Port 80
- B.
Port 110
- C.
Port 443
- D.
Port 8080
Correct Answer
D. Port 8080Explanation
Volume 1 - 011Rate this question:
-
- 16.
Which of the following is a class B address?
- A.
192.168.123.254
- B.
241.200.23.45
- C.
169.16.0.125
- D.
11.12.13.14
Correct Answer
C. 169.16.0.125Explanation
Volume 1 - 012Rate this question:
-
- 17.
The central processing unit (CPU) of a computer is also called the
- A.
Control unit
- B.
Minicomputer
- C.
Microprocessor
- D.
Arithmetic logic unit
Correct Answer
C. MicroprocessorExplanation
Volume 1 - 013Rate this question:
-
- 18.
What two main components make up the central processing unit (CPU)?
- A.
Control unit and read-only memory
- B.
Control unit and arithmetic logic unit
- C.
Arithmetic logic unit and read-only memory
- D.
Arithmetic logic unit and random access memory
Correct Answer
B. Control unit and arithmetic logic unitExplanation
Volume 1 - 013Rate this question:
-
- 19.
What does LCD stand for?
- A.
Light Crystal Diode
- B.
Light Creating Diode
- C.
Liquid Crystal Display
- D.
Liquid Creating Display
Correct Answer
C. Liquid Crystal DisplayExplanation
Volume 1 - 013Rate this question:
-
- 20.
Analog modems are used over the voice band range of
- A.
10 Hz to 20 MHz
- B.
20 Hz to 20 kHz
- C.
30 Hz to 40 MHz
- D.
40 Hz to 40 kHz
Correct Answer
B. 20 Hz to 20 kHzExplanation
Volume 1 - 015Rate this question:
-
- 21.
A UNIX command interpreter that recognizes and interprets commands that you enter is called the
- A.
Root
- B.
Tree
- C.
Shell
- D.
Kernel
Correct Answer
C. ShellExplanation
Volume 1 - 016Rate this question:
-
- 22.
Three types of UNIX pathnames are
- A.
Absolute, relative, and complex
- B.
Absolute, relative, and simple
- C.
Normal, simple, and complex
- D.
Normal, absolute, and relative
Correct Answer
B. Absolute, relative, and simpleExplanation
Volume 1 - 016Rate this question:
-
- 23.
What happens when radio waves strike an object?
- A.
All of the energy is reflected
- B.
None of the energy is reflected
- C.
Some of the energy is reflected
- D.
All of the energy is absorbed by the object
Correct Answer
C. Some of the energy is reflectedExplanation
Volume 2 - 201Rate this question:
-
- 24.
Approximately how long does it take for radio frequency energy to travel 1 nautical mile to a target and return to the radar?
- A.
3.09 microseconds
- B.
6.18 microseconds
- C.
9.27 microseconds
- D.
12.36 microseconds
Correct Answer
D. 12.36 microsecondsExplanation
Volume 2 - 201Rate this question:
-
- 25.
Which feedhorn is used only for receiving?
- A.
Passive
- B.
Linear
- C.
Active
- D.
Circular
Correct Answer
A. PassiveExplanation
Volume 2 - 204Rate this question:
-
- 26.
What do we call the fictitious surface on or near an antenna?
- A.
Main lobe
- B.
Minor lobe
- C.
Antenna aperture
- D.
Interfering signals
Correct Answer
C. Antenna apertureExplanation
Volume 2 - 206Rate this question:
-
- 27.
The shape of the beam of radar energy and its antenna pattern depend on the radar's
- A.
Gain
- B.
Location
- C.
Purpose
- D.
Power
Correct Answer
C. PurposeExplanation
Volume 2 - 206Rate this question:
-
- 28.
What scan system uses a thin beam to cover a rectangular area by sweeping the area horizontally with the angle of elevation incrementally stepped up or down with each horizontal sweep of the sector?
- A.
Raster
- B.
Conical
- C.
Circular
- D.
Monopulse
Correct Answer
A. RasterExplanation
Volume 2 - 206Rate this question:
-
- 29.
Which scan radar is also used in the acquisition phase by some airborne intercept radars?
- A.
Raster
- B.
Conical
- C.
Circular
- D.
Monopulse
Correct Answer
A. RasterExplanation
Volume 2 - 206Rate this question:
-
- 30.
What is the name of radio frequency waves bent upwards, instead of toward, the earth?
- A.
Sub-refraction
- B.
Super-refraction
- C.
Ducting or trapping
- D.
Anomalous propagation
Correct Answer
A. Sub-refractionExplanation
Volume 2 - 207Rate this question:
-
- 31.
What method of modulation does an A-scan indicator use to display video?
- A.
Z-Axis
- B.
Intensity
- C.
Deflection
- D.
Amplitude
Correct Answer
C. DeflectionExplanation
Volume 2 - 208Rate this question:
-
- 32.
What type of radar system uses a B-scan indicator?
- A.
Long-range surveillance
- B.
Airport surveillance
- C.
Precision approach
- D.
Weather
Correct Answer
C. Precision approachExplanation
Volume 2 - 208Rate this question:
-
- 33.
In a Raster scan indicator, how many vertical scan periods does it take to produce one complete picture?
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
B. 2Explanation
Volume 2 - 208Rate this question:
-
- 34.
Which indicator component's main purpose is to control the intensity of the cathode-ray tube (CRT) electron beam?
- A.
Deflection circuits
- B.
Cathode-ray tube
- C.
Video circuits
- D.
Power supply
Correct Answer
C. Video circuitsExplanation
Volume 2 - 209Rate this question:
-
- 35.
In a typical indicator system, where is digital display data from the data processing circuits converted into analog drive signals?
- A.
Deflection circuits
- B.
Cathode-ray tube
- C.
Video circuits
- D.
Power supply
Correct Answer
A. Deflection circuitsExplanation
Volume 2 - 209Rate this question:
-
- 36.
What is the leading edge spacing between the P1 and P3 interrogation pulses while in Mode 3?
- A.
0.45 microseconds
- B.
3 microseconds
- C.
5 microseconds
- D.
8 microseconds
Correct Answer
D. 8 microsecondsExplanation
Volume 2 - 210Rate this question:
-
- 37.
Which selective identification feature special response explains a 7500 reply?
- A.
Communication failure
- B.
Military emergency
- C.
Engine failure
- D.
Hijacking
Correct Answer
D. HijackingExplanation
Volume 2 - 211Rate this question:
-
- 38.
What factor determines the spacing of the sidebands in an amplitude modulated signal?
- A.
Amplitude of the modulating signal
- B.
Frequency of the modulating signal
- C.
Amplitude of the carrier signal
- D.
Frequency of the carrier signal
Correct Answer
B. Frequency of the modulating signalExplanation
Volume 2 - 213Rate this question:
-
- 39.
In phase modulation, the carrier's
- A.
Phase shifts at the rate of the modulating signal
- B.
Phase shifts with the phase of the modulating signal
- C.
Amplitude shifts at the rate of the modulating signal
- D.
Amplitude shifts with the phase of the modulating signal
Correct Answer
A. Phase shifts at the rate of the modulating signalExplanation
Volume 2 - 215Rate this question:
-
- 40.
When used together, what two error detection methods are 98 percent effective in detecting errors?
- A.
Checksum and cyclic redundancy check
- B.
Longitudinal redundancy check and check sum
- C.
Cyclic redundancy check and vertical redundancy check
- D.
Vertical redundancy check and longitudinal redundancy check
Correct Answer
D. Vertical redundancy check and longitudinal redundancy checkExplanation
Volume 2 - 218Rate this question:
-
- 41.
What is the most common error correction technique in electronic transmissions or circuits?
- A.
Automatic retransmit on request
- B.
A combination of a, c, and d
- C.
Block check character matrix
- D.
Forward error control
Correct Answer
A. Automatic retransmit on requestExplanation
Volume 2 - 219Rate this question:
-
- 42.
Which statement describes an advantage of using fiber optic cable?
- A.
The easy tap-ability of fiber optic cables reduces security risks
- B.
Fiber optic cable has a higher attenuation than coaxial cable
- C.
Electromagnetic fields do not affect fiber optic cables
- D.
Nuclear radiation does not affect fiber optic cable
Correct Answer
C. Electromagnetic fields do not affect fiber optic cablesExplanation
Volume 2 - 220Rate this question:
-
- 43.
What component of a fiber optic cable provides the reflective surface that allows light to propagate?
- A.
Core
- B.
Buffer
- C.
Jacket
- D.
Cladding
Correct Answer
D. CladdingExplanation
Volume 2 - 221Rate this question:
-
- 44.
What is the principle on which fiber optics work?
- A.
Total internal reflection
- B.
Refraction of light
- C.
Light wavelengths
- D.
Rays of incidence
Correct Answer
A. Total internal reflectionExplanation
Volume 2 - 222Rate this question:
-
- 45.
When you make a resistance measurement, how do you electrically isolate a resistor from the circuit?
- A.
Remove power from the circuit
- B.
Short both sides of the resistor
- C.
Insulate both sides of the resistor
- D.
Desolder one side of the resistor
Correct Answer
D. Desolder one side of the resistorExplanation
Volume 2 - 226Rate this question:
-
- 46.
Insulation resistance increases as the
- A.
Length of insulation increases
- B.
Area of the conductor increases
- C.
Thickness of the insulating material increases
- D.
Thickness and length of insulating material increases
Correct Answer
C. Thickness of the insulating material increasesExplanation
Volume 2 - 227Rate this question:
-
- 47.
You must discharge conductors after insulation resistance measurements to
- A.
Prevent shock
- B.
Protect the equipment
- C.
Prepare conductors for another test
- D.
Prevent igniting explosive mixture of gas
Correct Answer
A. Prevent shockExplanation
Volume 2 - 228Rate this question:
-
- 48.
Which probe does not need to actually make contact with the circuit under test?
- A.
Current probe
- B.
Passive 1:1 probe
- C.
Active field effect transistor probe
- D.
Passive divider, 10:1 probe
Correct Answer
A. Current probeExplanation
Volume 2 - 231Rate this question:
-
- 49.
What type of interpolation does a digital storage oscilloscope use to measure pulse waves?
- A.
Sine
- B.
Linear
- C.
Normal
- D.
Sequential
Correct Answer
B. LinearExplanation
Volume 2 - 232Rate this question:
-
- 50.
If someone says "we doubled our transmitter power", how much is the gain in dB?
- A.
3 dB
- B.
6 dB
- C.
9 dB
- D.
12 dB
Correct Answer
A. 3 dBExplanation
Volume 2 - 235Rate this question:
-
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Feb 28, 2017Quiz Edited by
ProProfs Editorial Team -
Feb 08, 2017Quiz Created by
Vortex159753
Back to top