Communications - Electronics Journeyman CDC 2EX5X Test 3
Test 3 of Multiple Choice on Volumes 1-3 of Career Development Course 2EX5X
- 1.What type of Air Force Specialty Code identifies the authorized manning position to which you're assigned and reflects the job you are currently performing?
- A.
Duty
- B.
Control
- C.
Primary
- D.
Alternate
- 2.How many primary Air Force Specialt Codes are in the Communications-Electronics career field?
- A.
Seven
- B.
Eight
- C.
Nine
- D.
Ten
- 3.What are the 3 components of Air Force On the Job Training?
- A.
Job knowledge, job proficiency, and job experience
- B.
Task knowledge, task performance, and job experience
- C.
Career development courses, qualification training packages, and job training
- D.
Career field education and training plan, job qualification standards, and AF Form 623
- 4.With the exception of Strips for Exceptional Performers promotes and Air Reserve Component personnel, when do personnel who are selected for promotions to SSgt enter 7 level upgrade training?
- A.
1 January
- B.
1 April
- C.
1 June
- D.
1 September
- 5.What assigned maintenance responsibility provides an experienced managerial and technical perspective to the maintenance activity by advising and assisting the chief of maintenance?
- A.
Branch chief
- B.
Unit Commander
- C.
Maintenance Supervisor
- D.
Maintenance Superintendent
- 6.What serves as a unique identifier for tracking maintenance actions for an epuipment malfunction?
- A.
Work unit code
- B.
How Malfunction
- C.
When discovered
- D.
Job Control Number
- 7.Which of the following condition do we use for not mission capable maintenance?
- A.
When systems and equipment are not capable of preforming any of their assigned missions b/c of unit level maintenance requirements
- B.
When systems and equipment are not capable of preforming any of their assigned missions b/c of maintenance work stoppage due to a supply shortage
- C.
When systems and equipment are capable of preforming any of their assigned missions b/c of unit level maintenance requirements
- D.
When systems and equipment are capable of preforming any of their assigned missions b/c of maintenance work stoppage due to a supply shortage
- 8.What term has an expandability, recoverability, reparability code (ERRC) of XD (x) of XF (x)?
- A.
Due-out
- B.
Awaiting parts
- C.
Due in from maintenance
- D.
Equipment inoperative for parts
- 9.If a system is to co-exist with an air force local area network/metropolitan area network/wide area network infrastructure, what is required before the system is integrated with the network?
- A.
Unit commander approval
- B.
Certification of networthiness
- C.
A satisfactory quality assurance inspection
- D.
System records incorporated
- 10.What communications standardization and evaluation program evaluation provides the unit commander, chief of maintenance and supervisors with factual, objective assessments of a sections ability to meet its mission requirements?
- A.
Special
- B.
Technical
- C.
Personnel
- D.
Managerial
- 11.What category of maintenance enables the chief of maintenance to coordinate and direct the maintenance effort with either a separated maintenance staff or a consolidated maintenance staff?
- A.
Category I
- B.
Category II
- C.
Category III
- D.
Category IV
- 12.What purpose of modulation involves modulating low frequency signals for transmission over long distances?
- A.
Spectrum conversion
- B.
Channel allocation
- C.
Ease of Radiation
- D.
Companding
- 13.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
- 14.A 10 kHz modulating signal has enough peak voltage to cause a deviation of 30 kHz. What is the modulation index?
- A.
5
- B.
0.5
- C.
0.3
- D.
3
- 15.By using 8-PSK, instead of binary phase shift keying, information capacity is increased
- A.
Twice
- B.
Three times
- C.
Four times
- D.
Five times
- 16.What part of the pulse code modulation process converts a continuous time signal into a discrete time signal?
- A.
Sampling
- B.
Rectifying
- C.
Oscillating
- D.
Band limiting
- 17.How does synchronous transmission reduce the overhead cost of data transmissions?
- A.
Communicates in parallel format
- B.
Blocks many characters together for transmission
- C.
Eliminates the control bits, so more message data can be sent
- D.
Equipment to support synchronous transmission is far less expensive
- 18.What two error detection methods, when used together, are 98% effective in detecting errors?
- A.
Checksum and cyclic redundancy check
- B.
Longitude redundancy check and checksum
- C.
Cyclic redundancy and vertical redundancy check
- D.
Vertical redundancy and longitudinal redundancy check
- 19.Which statement describes an advantage of using fiber optic cable?
- A.
The easy tap-ability of fiber optic cables present 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 cables
- 20.What type of buffer allows the fiber optic cable to be twisted or pulled with stress on the fiber?
- A.
Ribbon
- B.
Composite
- C.
Tight tube
- D.
Loose tube
- 21.Propagation of light as seen by Snell's law is known as
- A.
Total internal reflection
- B.
Refraction of light
- C.
Light wavelengths
- D.
Rays of incidence
- 22.What type of fiber is the least efficient, with the highest dispersion and has a core diameter of 30 µm to over 800 µm?
- A.
Single-mode step-index fiber
- B.
Single-mode graded-index fiber
- C.
Multimode step-index fiber
- D.
Multimode graded-index fiber
- 23.When you make a resistance measurement, how do you electrically isolate a resistor from a circuit?
- A.
Remove power from the circuit
- B.
Short both sides of the resistor
- C.
Isolate both sides of the resistor
- D.
Disconnect one side of the resistor
- 24.In which type of circuit would you measure the AC component of an output voltage where both AC and DC voltage levels exist?
- A.
Filter
- B.
Resonant
- C.
Amplifier
- D.
Differential
- 25.When you use the Fluke 8025A, which voltage range do you use to measure 50 volts DC?
- A.
Volts AC
- B.
Volts DC
- C.
Millivolts AC
- D.
Millivolts DC
Questions: 266 | Attempts: 9861 | Last updated: Mar 22, 2022
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