M2 B1 Flashcards
Which of the following is not a function of the sections within the career field training plan (CFETP) part I?
Identifies the specialty training standard (STS)
Which of the following is not a requirement for upgrade to 3D153?
Obtaining flight chief approval for the award of Air Force Specialty Code (AFSC) 3D153
Which 3D career field installs, supports, and maintains servers or other computer systems and responds to service outages and interruptions to network operations?
Cyber Systems Operations (3D0X2)
Which 3D career field deploys, sustains, troubleshoots and repairs voice, data and video network infrastructure systems, Internet protocol (IP) detection systems and cryptographic equipment?
Cyber Transport Systems (3D1X2)
What outlines mandatory training items that supervisors use to prepare job safety training guides (JSTG)?
Job safety training outline (JSTO)
Which AF Form is used to report hazardous conditions that place Air Force personnel or property at risk?
457
Which hazard is caused by heavy workloads, lack of control over the pace of work, shift work, noise, working by yourself, and conflict with coworkers and employers?
Stress
Which Air Force program provides a means of reporting hazards that involve flight, ground, weapons, or space safety?
Hazard reporting program
To prevent manual handling hazards, utilize team lifting when lifting items that weigh more than how many pounds?
25
The minimum milliamperes (mA) of current that result in cardiac arrest and can cause death is
50 mA
Within how many hours must a medical exam be conducted if non-ionizing radiation overexposure occurs?
72
Which technical order (TO) publication series covers standard Air Force installation practices?
TO 31–10 series
Which section of a horizontal cable duct is used for signal and control cables?
Upper
Why should the number of splices be controlled during fiber optic installation?
Minimize transmission loss
How are connectorized cables labeled?
The first label is placed within 12 inches of the connector and marked “TO”, and the second is
placed within two (2) inches of the first label and marked “FROM”
Which type of label will have machine printed markings of indelible ink?
Adhesive
Who determines if local checklists and/or work cards are required for equipment?
Flight commander/chief
What are the three main functions of grounding?
Personnel safety, equipment protection, and noise reduction
The facility ground subsystem to uses surge arrestors is the
Lightning protection
What is the establishment of a low-impedance path between two metal surfaces?
Bonding
The RED designation is used for equipment processing
clear-text classified information
Which electronic discharge sensitive (ESD) class has a sensitivity range from 0 – 999 volts?
Class I
Which of these activities would generate the most electrostatic voltage?
Walking across carpet
Which distinct region of the electromagnetic pulse is produced by the interactions between the weapon products and the earth’s atmosphere?
Source
What source region electromagnetic pulse region has a primarily vertical electromagnetic pulse electric field and what structures are affected?
Radiated; antennas and bore site feedhorns
Which of the following statements is true concerning shielding?
Sensitive equipment will be located within the shielded barrier
Little or no variations in the strength of the interfering signal when moving the receiving antenna for short distance normally indicates
enemy jamming
What type of equipment often generates many spurious emissions?
Rapid tuning transmitter.
What man-made noise results from voltage surges, arcing, or corona discharges?
Power line.
Who is tasked to provide interference resolution support to the unified commanders?
Joint Spectrum Center.
Who is the focal point for emission security (EMSEC) matters at an installation?
Wing information assurance office (WIAO).
What plays a major role in a conductor’s ability to minimizing compromising emanations?
Distances and angles
What secondary cell is prone to the memory effect?
Nickel cadmium
What power line fault category is symptomatic of a short term decrease in voltage levels?
Sag
What power line fault category is symptomatic of a total loss of utility power?
Blackout
What power line fault category is more typically referred to as electromagnetic interference (EMI) and radio frequency interference (RFI)?
Noise
What type of uninterruptible power supply (UPS) has traditionally been referred to as “offline” by technicians?
Passive standby
What type of uninterruptible power supply (UPS) uses a transformer or inductor between the utility power source and the load to correct or filter some variations in input power?
Line interactive
How many phases of generator power are usually required for industrial and commercial applications?
Three
What are the three general categories used to produce modulation in radio frequency (RF) transmission today?
Amplitude, frequency, and phase
When the modulating signal and carrier signal are combined within a modulator, the output signal contains
carrier, upper sideband, and lower sideband
What factor determines the spacing of the sidebands in an amplitude modulated signal? a. Amplitude of the modulating signal
Frequency of the modulating signal
The amount of effect or change that the intelligence has on the carrier in an amplitude modulated signal is expressed as the
percent of modulation
Reducing modulation to less than 100 percent gives
no reduction in carrier power
The output of the oscillator in a frequency modulation (FM) modulator increases in frequency with each
positive half cycle of the modulating signal
A 5 kilohertz (kHz) modulating signal has enough peak voltage to cause a deviation of 15 kHz. What is the modulation index?
3
What is the narrow frequency band between adjacent stations used to prevent frequency modulated sidebands from overlapping?
Guard band
What is the advantage of adding more phase shifts?
Higher data rates within a given bandwidth
What is the first step in the pulse code modulation process?
The analog signal is band limited
Quantization in the pulse code modulation process is
placing an infinite number of amplitude values to a finite number of values
In asynchronous transmissions, what bit is used by the receiving device to verify that the transmission was received correctly?
Parity
If an error should occur, what transmission is lost in an synchronous transmission?
Block of data
The significance the amount of ones have in a data bit pattern when using vertical redundancy check (VRC) is that it determines
Parity
What two error detection methods, when used together, are 98 percent effective in detecting errors?
VRC and LRC
When using forward error control as a method of error correction, where does error correction ?
Receiving end
In telecommunications cable, the “tip” or “primary” wire color group order is
white, red, black, yellow, and violet
Two types of network cables are
straight through and crossover
An optical transmitter is comprised of
a driver, optical source, and fiber optic pigtail
What is the bandwidth of multimode step-index optical fiber cable?
10 MHz – 100 MHz/km
Which type of cable is the hardest to splice?
Single mode fiber
A short section of single fiber cable that has a connector at each end is called a
Patch cord
What allows transportation of all active virtual LANs (VLAN) between switches using a single physical link?
Trunks
Which device has multiport connectivity that directs data between nodes on a network?
Router
Which routing protocol do Internet backbones use?
Border gateway protocol (BGP)
Virtual private networks (VPNs) allow the AF to extend network resources across a/an
public network
Which of the following is not a function that a virtual private network (VPN) concentrator performs?
Encapsulates data
What software do video compression circuits use to determine the amount of change that occurs between frames?
Compression and decompression (codec) algorithm
Simple network management protocol (SNMP) is a tool used by network administrators to manage network performance, investigate and solve network problems, and help plan for
future growth
Which of the following is not a basic SNMP command?
Get
Which identity management process uses a fingerprint to authenticate a user?
Biometrics
Which threat vector is considered more of an annoyance than an attack?
Spam
Which vulnerability preventive measure is a small piece of code that software developers create to address the flaws found in the original code of a program?
Patches
What physical security implementation will ensure continuous operation of critical network equipment?
Uninterruptible power supply
In general, you should deny direct dial-in access to a network device by disabling the
auxiliary port
When using a multimeter, which option should be used if the display is unreadable due to fluctuations?
Display hold
When using an ohmmeter to take a resistance reading, what preliminary precaution should you take?
Disconnect the power from the circuit being tested
Which mode of triggering an oscilloscope causes a trace to be drawn on the screen at all times, whether there is an input signal or not?
Auto
Which oscilloscope probe is essentially just a shielded piece of wire?
Passive 1:1
What area of a digital storage oscilloscope takes digitized samples and performs numerous manipulations on the data including measuring rise and fall times, periods, time intervals, and performing math computations?
Microprocessors
In real-time sampling, what type of interpolation is used when measuring pulse waves?
Linear
The size of a test pattern segment transmitted from a bit error rate test (BERT) is determined by the
number of bits that can represent the total number of bits in the test pattern
What type of error is the result of two successive logic one pulses of the same polarity that violates alternate mark inversion coding rules?
Bipolar violation
What type of error is the result of a bit not positioned where it should be?
Bit slip
What is the first step in testing ground?
Disconnect the earth electrode under test from its connection to the site
A known current is generated by the earth ground tester between the earth ground electrode and the
auxiliary current probe
Voltage potential is measured in the fall of potential ground testing method between the
auxiliary potential electrode and the earth test ground electrode
The Institute of Electrical and Electronics Engineers (IEEE) has recommended a ground resistance value of
5 ohms or less
What component of a protocol analyzer stores all frames based on the user configuration inputs?
Buffer
What component on a protocol analyzer process the frames based on the selected test and user configuration inputs?
Central processing unit
What active test is selected to determine if a network node is connected or responding?
Packet internetwork groper (PING)
What active test is selected to see the path that the packets are traveling and the time it takes the packets to compete the trip?
Trace route
A radio frequency generator is used to
align telemetry receivers
Which are the correct four classes of electronic counters?
Frequency counters, universal counters, microwave counters, and reciprocal counters
The 10:1 power ratio represented by 1 bel can also be represented by how many decibels (dB)?
10 dB
When transmitter decibel (dB) power is doubled, it has increased by
3 dB
Plug-in elements of the wattmeter are selected based on the
frequency and power to be measured
What test equipment combines the operations of many test instruments into a single compact unit?
Communication service monitor
What function is not part of the communication service monitor?
Analog multimeter
What operational capability of the communication service monitor produce sine, square and triangle waveforms?
Function generator
Which of the following is not a type of power level displayed by a power meter?
Decibels
