3D152 Vol. 3

1. The three cornerstones of voice network system security are availability,

Circumvention, and confidentiality

Circumvention, and disclosure

Confidentiality, and integrity

Disclosure, and integrity

2. The next generation receive terminal (NGRT) accepts feeds from which two satellite bands?

Ku, Ka

C, X

Ku, X

Ka, C

3. What is the primary driving factor behind the invention of the telephone exchange?

Point-to-point telephone access caused cabling issues

The invention of the multi-line telephone

Military communication requirements

Radio communication requirements

4. How is information recorded or stored on videotape?

Series of magnetic patterns

Series of edited electrical patterns

Transferred current indents

Transferred voltage indents

5. What function in a video tape recorder (VTR) is accomplished by transporting the videotape across the head gap at the same speed at which it was recorded?

Fast forward

Playback

Erasure

Rewind

6. What is the beginning of a cable system called?

Head-end

Trunk line

Receiver

Decoder

7. What is the main purpose of a boundary fence?

Provides security forces (SF) personnel a safe place to work

Keep wildlife out of the perimeter detection zone

Facilitate the detection of intruders

To present a physical and psychological deterrent to unauthorized entry

8. Base cables normally enter the central office (CO) facility through a

Cable manhole

Telecommunications cable closet

Building cable raceway

Cable vault

9. You can compare a video taperecorder (VTR) head to a/an

Magnet

Conductor

Electromagnet

Charged capacitor

10. What must a line of detection detect?

Walking, running, rolling, crawling, or jumping through the line of detection

Wakling, runnig, rolling, crawling, or jumping outside the line of detection

Potential for intruder to bypass the system

Possibility of equipment failures

11. What role does the Private Branch Exchange (PBX) play in the telephony industry?

A medium scale switch that handles traffic for a small city

A very small scale switch that is also known as a key system

A large scale switch that handles the traffic for a metropolitan area

A small scale switch that handles internal calls for an organization

12. The primary reason you should measure the voltage across terminal or distribution frame protectors before removing and replacing them is to

Verify the circuit is not in use

Prevent interruptions to critical circuits

Ensure dangerous voltages are not present on the line

Avoid activating alarm circuits

13. The basic configuration if the entry control facility (ECF) includes a

Gatehouse, vehicle parking area, and personnel entry gate

Gatehouse, personnel entry gate, inspection equipment, and vehicle entrapment area

Personnel entry gate, inspection equipment, backup generator, and gatehouse

Location for security personnel to perform shift change and receive their weapon

14. Which sensor uses heat radiation to detect intruders?

Ultrasonic

Microwave

Passive infrared

Daul-phenomenology

15. What type alarm occurs when if the sensor post cover in vertical taut-wire sensor (VTWS) is removed?

None

Tamper

Intruder

Equipment fault

16. If all deployed and fixed locations use global positioning system (GPS) referenced clocks, we can eliminate crypto-sync loss due to

Synchronization

Buffer overflow

Timing slips

Data speeds

17. Trend analysis is a program that trends all of these outage data except

Outage times

Reason for outage

Number of outages

Preempted outages

18. Broadband technology uses all of these transmission mediums except?

Telephone lines

Television cable lines

Satellite systems

Laser light

19. What is the primiary mode of detection for the microwave fence sensor

Beam break

Signal fade margin

Multipath defelction

Dual-phenomena reflection

20. What is one path high frequency (HF) transmissions follow from the antenna to the distant end?

Lightwave

Microwave

Soundwave

Groundwave

21. What is a major advantage of digital recording over analog recording?

Material can be edited generation after generation without noticeable degradation in quality

Material can be regenerated when the signal is converted to a different digital domain

The material recorded can be cloned with noticeable loss of quality

The recorded material can be converted to a different digital domain

22. What is the means of measuring the amount of time that has been played or recorded on a video tape recorder (VTR)?

Tape meter

Tracker

Counter

Display clock

23. What is the most serious threat to voice network system integrity?

Subversion

Unauthorized monitoring

Inexperienced switch technicians

Inadequate maintenance practices

24. Which models of the digital multiplex system (DMS) family are commenly used at Air Force bases to provide base telephone services?

DMS-100 and Meridian System Logic (MSL)-100

DMS-100/200 and MSL-100

DMS-100/200 and DMS-200

DMS-200 and MSL-100

25. Which digital multiplex system (DMS)-100 database facility is responsible for creating and maintaing tables of data in a controlled manner?

Journal file

Table control

Dump/restore

Pending order file

26. The red, green, and blue (RGB) outputs from the camera go to the

Encoder

Decoder

Multiplexer

Demultiplexer

27. Within how many normal duty hours of completion action on the Telecommunications Service Order (TSO) must the circuit control office (CCO) submit an in-effect report

72

48

24

12

28. Trend analysis is a program that ensures circuits meet management thresholds (MT) on what basis?

Daily

Weekly

Monthly

Annual

29. What is not a factor in determining the refractive index of air?

Atmoshperic pressure

Propogation medium

Temperature

Moisture

30. Which is not a disadvantage of laser light transmission?

No need for careful alignment of transmitter and receiver

Cannot penetrate even very thin curtains of paper

Sensitive to atmospheric interference

Strictly line-of-sight (LOS) transmission

31. How many B and D channels does the standard configuration in North American Integrated Services Digital Network (ISDN) primary rate interface (PRI) application use?

2, 1

30, 2

1, 24

23, 1

32. How many lines of video are discarded in high-definition 1080 line video encoded with 1920x1088 pixel frames prior to display?

2

4

6

8

33. What part of the video switcher allows titles or other video scenes to be inserted into a full screen background?

Effects keyer

Effects preview multiplier

Effects program multiplier

Transition pattern generator

34. Which piece of the recieve broadcast manager (RBM) functions as a common television set-top converter box?

Managed ethernet switch (MES)

Display and keyboard

Video converter

RBM server

35. How many miles above Earth are satellites placed into orbit?

2,230

2,320

22,300

23,200

36. The Integrated Services Digital Network (ISDN) configuration normally used to connect switches together is the

Basic rate interface

Primary rate interface

Trunk rate interface

Switch rate interface

37. What is the means of measuring the amount of time that has been played or recorded on a video tape recorder (VTR)?

Tape meter

Tracker

Counter

Display clock

38. Broadband refers to a technology that can transmit

A relatively wide range of frequencies

Only high frequency information

A relatively wide range of amplitudes

Only high amplitude information

39. What link is used to connect the digital multiplex system (DSM)-core to the DMS-bus?

DS-1

DS-30

DS-30A

DS-512

40. What configuration does the Red Data Module normally operate in?

Stand alone

Client only

Gateway only

Gateway/client

41. One disadvantage of microwave wavelengths is that the frequencies are susceptible to

Line noise

Weather effects

Frequency distortion

Electromagnetic interference

42. What modulation technique is used by the Advanced Television Systems Committee (ATSC) system?

4-quadraplex sideband (4-QSB)

8-vestigal sideband (8-VSB)

4-vestigal modulation (4-VM)

8-quadrature modulation (8-QM)

43. The security lighting inside the restricted area is used to

Provide the security forces personnel a safe working environment during night time errors

Identify wildlife inside the perimeter detection zone

Facilitate the detection and tracking of intruders

Present a means of deterring unauthorized entry

44. How many inches is the beam width at the widest portion of the infrared perimeter detection sensor?

0.5

1

2

4

45. How many card slots does the FCC-100 have, and how many of them are available for user configuration?

16, 8

12, 10

13, 8

13, 10

46. What recieve broadcast manager (RBM) processes military specific and classified information?

Military

Type one

Managed

Classified

47. If a circuit fails its management threshold (MT), what test might be performed?

Quality control (QC)

Test and acceptance (T&A)

Operations and maintenance(O&M)

Operational acceptance

48. The determining factor in calculating the correct size of a waveguide is

Frequency

Power output

Bandwidth of the transmission medium

Distance between equipment and transmitter

49. Which satellite communications system is used to transmit space operations?

Milstar Communication System

Defense Satellite Communications System (DSCS)

Air Force Satellite Communications (AFSATCOM)

Ground Mobile Forces Satellite Communications (GMFSC)

50. To transmit an audio signal over radio frequency (RF), it first has to be

Phase shifted

Transmitted

Modulated

Encoded

51. What component carries the signal to individual subscribers?

Head-end

Trunk line

Receiver

Coax RJ-6

52. What is the interior intrusion destection system (IIDS) is designed to detect intruders attempting to enter a shelter, storage igloo, or building?

AN/GSS-42

AN/GSS-41

AN/GSS-29

AN/GSS-39

53. For a theater deployable communications (TDC) network design that has the crypto interface module (CIM) and the promina multiplexer (P-MUX) in separate locations, which piece of equipment is necessary?

KIV 19

KIV-7HS/B

CV-2048-8448-D

Cisco 3745 router

54. What report must be sent if the circuit does not meet all required parameters and the Telecommunications Service Order (TSO) issuing authority advises that the circuit is accepted for service?

In-effect report

Exception

Acceptance

Delayed services

55. Which major component of the NorTel digital switching system (DSS) interfaces line and trunk subscribers?

Central control

Input/output (I/O)

Peripheral module (PM)

Peripheral subsystem (PS)

56. Where do incoming unswitched circuits from a peripheral module (PM) enter the NT9X35A cross-point card matrix

Vertical bus

Horizontal bus

Clock/message card

Enhanced network (ENET) processor

57. Between what ranges can you adjust the SDI-76 microwave sensor?

15-50 feet

15-75 feet

25-75 feet

30-90 feet

58. At what distance does the detection pattern of the infrared perimeter detection sensor (IPDS) transmitters change, and to what pattern does it change?

100 feet; signal transmitted to one receiver

150 feet; signal transmitted to one receiver

100 feet; singal transmitted to two receivers

150 feet; signal transmitted to two receivers

59. Which module provides encryption/decryption of traffic into and out of the theater deployable communications access package (TDC/ICAP) network?

Crypto interface

Basic access

Red data

Crypto

60. For either secure or nonsecure data network in theater deployable communications (TDC), the crypto interface module 's router normally acts as the

Management console

Internal firewall

External firewall

Internal router

61. The first position of the trunk indentifier indicates the

Responsible operatoins and maintenance (O&M) agency

"from" (sending) station

"to" (receiving) station

Type of trunk

62. Which Defense Information Systems Agency Circular(s) (DISAC) contain information needed to assign a temporary command communications service designator (CCSD)

310-55-1 only

310-175-9 only

310-70-1 and 310-55-1

310-70-1 and 300-175-9

63. What components are directly connected to the input/output controller (IOC)?

Printers, visual display unit (VDU), and tape drives

A pair of SuperNode message controllers and the device controllers

A maintenance and administration postion (MAP)

The central processing unit (CPU) and keyboard

64. Why are the R-Y and the B-Y signals shifted 33 degress counterclockwise?

To align R-Y and B-Y with their respective primary colors

To align R-Y and B-Y with their respective complementary colors

R-Y was shifted to minimum and B-Y was shifted to maximum color acuity, respectively for human vision

R-Y was shifted to maximum and B-Y was shifted to minimum color acuity, respectively for human vision

65. What type of signal is sent to the fence protection system (FPS) signal processor when an alarm is detected?

Alternate current (AC)

Direct current (DC)

Digital

Analog

66. In the event of a power failure, how many hours can the vertical taut-wire sensor (VTWS) remain operational?

2

4

8

10

67. A status acquistition message (SAM) is sent from

Defense Information Systems Agency (DISA)

Defense Information Technology Contracting Office (DITCO)

The systems control facility (SCF)

The end user

68. When a telephone network is circuit switched , each call

Is broadcast over multiple paths between switches

Is packetized and transmitted in circuitous

Has a dedeicated circuit created by the switch

Requires a dedicated switch to make the connection

69. What device is used to combine TV channels into a single line

Multiplexer

Demodulator

Modulator

Decoder

70. What is the range of the alternate current (AC) presence time delay relay in the AN/GSS-39 system before a power loss is reported?

1.5 to 10 seconds

1.5 to 15 seconds

3 to 10 seconds

5 to 15 seconds

71. Asymmetric trunk operation provides more efficient use of bandwidth by

Using two trunk cards in one promina

Configuring a bundle consisting of 24 DSOs

Not utilizing the bandwidth in the opposite directoin of a one-way call

Consuming bandwidth equally in both directions while preserving one-way communication

72. The integrated services digital network (ISDN) gateway exchange (IGX) switch allows for stacks of up to 8 IGX switches, while the Avaya Prologix switch can operate in a stack of

4

6

8

2

73. Which elements make up the control component of the SuperNode central control?

Computing mode (CM) and message switches (MS)

CM and system load module (SLM)

Central processing unit (CPU) and control monitor unit (CMU)

CPU, digital signal (DS), and peripheral module (PM)

74. Because the enhanced network (ENET) is a matrix, any input channel has access to any available

Computing mode channel

Peripheral channel

H-bus channel

Output channel

75. What are the frequencies at which two common node nulling adjustments are set in the video distribution amplifier?

60Hz and 15,750Hz

60Hz and 5.5MHz

15,750Hz and 4.5MHz

15,750Hz and 5.5MHz

76. What annunciator is used with the Advisor VII control unit?

Small annunciator system (SMAS)

Standard annunciator system (STAS)

Small permanent communications and displsy segment (SPCDS)

Security monitoring and reporting terminal

77. What is the maximum length of the vertical taut-wire sensir (VTWS)?

150 feet

200 feet

328 feet

425 feet

78. The tactical interface gateway (TIG) uses what protocol to allow backwards compatibility between the Avaya Prologix and legacy Triservice Tactical Communications (TRI-TAC) equipment?

Transmission control

User datagram

File transfer

Internet

79. Circuits that fail to meet all parameters specified in the appropriate technical schedule when test and acceptance (T&A) is done may not be accepted for service without the express approval of

The user

Circuit control office

Defense Information Systems Agency (DISA)

The Telecommunications Service Order (TSO) issuing authority

80. Which digital multiplex system (DMS)-100 database facility provides facilities for storing data modifications orders (DMO) and for retrieving them at a specified time for execution?

Journal file

Table control

Dump/restore

Pending order file

81. What is the operating frequency of the synchronizing oscillator in the "A" sensor post of the infrared pulsed intrusion detection system (IPIDS)?

100 hertz (Hz)

800Hz

1000Hz

1200Hz

82. How many serial data interface ports does ther Meridian Option 11C Small System Controller have?

32

12

3

1

83. Which digital multiplex system (DMS)-100 database facility provides facilities for preserving data modifications orders (DMO) and for retrieving them at a specified time for execution?

Journal file

Table control

Dump/restore

Pending order file

84. Which is not a selectable option of the E-flex II system?

Alarm duration

Number of cuts

Cable sensitivity

Sector reporting priority

85. What modulation technique is used for Digital Video Broadcasting- Cable transmission?

MPEG-1

MPEG-2

MPEG-3

MPEG-4

86. What important concept to understand is that digital video is merely an alternate means for

Minimizing video loss

Carrying a video waveform

Minimized signal dropout

Transmitting an analog waveform

87. How does the T-bus relate to the function of the promina?

The processor communicates with the other cards in the module via the T-bus

The T-bus connects the promina to the other modules in the TDC suite

The front card communicates with the rear card through the T-bus

The information that is multiplexed/demultiplexed travels over the T-bus

88. Which digital video tape format uses a 4:2:2 standard, with an 8 bit sampling rate, 19mm wide tape, and has a 94 minute recording recording time?

D1

D2

D3

D4

89. Which office or system confirms a restoration priority?

Circuit control office (CCO)

National communications system (NCS)

Systems control facility (SCF)

Defense communications system (DCS)

90. What voice mail interface has the capability to support the temporary absence greeting (TAG) feature?

Administration and maintenance interface

Voice messaging user interface forum

Meridian mail user interface

Message service interface

91. What voice mail interface allows a user's mailbox to be partitioned into a main mailbox and up to eight submailboxes?

Administration and maintenance interface

Voice messaging user interface forum

Meridian mail user interface

Message service interface

92. What are the two parts/priorities to the telecommunications service priority (TSP)?

Provisioning and restoration

Provisioning and recovery

Procurement and recovery

Procurement and recovery priority

93. What does the AN/GSS-39 system use to monitor the integrity of all sensor wiring to the control panel?

End-of-line resistor

Line termination unit

End-of-line module

Tamper interface unit

94. Which digital multiplex system (DMS)-100 database facility provides facilities for preserving data modifications orders (DMO) on tape or disk so that data tables can be restored if the system should fail?

Journal file

Table control

Dump/restore

Pending order file