MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In 10base2, 10base5, what does 2 and 5 stand for? |
| A. | Speed in mbps |
| B. | Number of segments |
| C. | Length of segment |
| D. | Size of segment |
| Answer» D. Size of segment | |
| 2. |
The largest portion of the bandwidth for ADSL carries _______. |
| A. | voice communication |
| B. | upstream data |
| C. | downstream data |
| D. | control data |
| Answer» D. control data | |
| 3. |
HDSL encodes data using _______. |
| A. | 4B/5B |
| B. | 2B1Q |
| C. | 1B2Q |
| D. | 6B |
| Answer» C. 1B2Q | |
| 4. |
_______ was designed as an alternative to the T-1 line. |
| A. | VDSL |
| B. | ADSL |
| C. | SDSL |
| D. | HDSL |
| Answer» E. | |
| 5. |
The amount of data that can be carried from one point to another in a given time period is called |
| A. | Scope |
| B. | Capacity |
| C. | Bandwidth |
| D. | Limitation |
| Answer» D. Limitation | |
| 6. |
Another name for the cable TV office is the _______. |
| A. | splitter |
| B. | fiber node |
| C. | combiner |
| D. | head end |
| Answer» E. | |
| 7. |
The local loop has _______ cable that connects the subscriber telephone to the nearest end office. |
| A. | twisted-pair |
| B. | coaxial |
| C. | fiber-optic |
| D. | none of the above |
| Answer» B. coaxial | |
| 8. |
Data from a computer are _______; the local loop handles _______ signals. |
| A. | analog; analog |
| B. | analog; digital |
| C. | digital; digital |
| D. | digital; analog |
| Answer» E. | |
| 9. |
__________ consists of a central conductor and a shield. |
| A. | Coaxial |
| B. | Fiber-optic |
| C. | Twisted-pair |
| D. | none of the above |
| Answer» B. Fiber-optic | |
| 10. |
When the angle of incidence is _______ the critical angle, the light beam bends along the interface. |
| A. | more than |
| B. | less than |
| C. | equal to |
| D. | none of the above |
| Answer» D. none of the above | |
| 11. |
When a beam of light travels through media of two different densities, if the angle of incidence is greater than the critical angle, _______ occurs. |
| A. | reflection |
| B. | refraction |
| C. | incidence |
| D. | criticism |
| Answer» B. refraction | |
| 12. |
Signals with a frequency between 2 MHz and 30 MHz use ______ propagation. |
| A. | ground |
| B. | sky |
| C. | line-of-sight |
| D. | none of the above |
| Answer» C. line-of-sight | |
| 13. |
Signals with a frequency above 30 MHz use _______propagation. |
| A. | ground |
| B. | sky |
| C. | line-of-sight |
| D. | none of the above |
| Answer» D. none of the above | |
| 14. |
Signals with a frequency below 2 MHz use _______ propagation. |
| A. | ground |
| B. | sky |
| C. | line-of-sight |
| D. | none of the above |
| Answer» B. sky | |
| 15. |
A parabolic dish antenna is a(n) _______ antenna. |
| A. | omnidirectional |
| B. | bidirectional |
| C. | unidirectional |
| D. | horn |
| Answer» D. horn | |
| 16. |
________ cable consists of two insulated copper wires twisted together. |
| A. | Coaxial |
| B. | Fiber-optic |
| C. | Twisted-pair |
| D. | none of the above |
| Answer» D. none of the above | |
| 17. |
In ______signaling, the same circuit is used for both signaling and data. |
| A. | in-band |
| B. | out-of-band |
| C. | mixed |
| D. | none of the above |
| Answer» B. out-of-band | |
| 18. |
A(n) _____ medium provides a physical conduit from one device to another. |
| A. | guided |
| B. | unguided |
| C. | either (a) or (b) |
| D. | none of the above |
| Answer» B. unguided | |
| 19. |
_______ cable is used for voice and data communications. |
| A. | Coaxial |
| B. | Fiber-optic |
| C. | Twisted-pair |
| D. | none of the above |
| Answer» D. none of the above | |
| 20. |
The modern telephone network is now ________. |
| A. | digital |
| B. | analog |
| C. | digital as well as analog |
| D. | none of the above |
| Answer» D. none of the above | |
| 21. |
The protocol that is used for signaling in the telephone network is called ______. |
| A. | POP |
| B. | SSS |
| C. | SS7 |
| D. | none of the above |
| Answer» D. none of the above | |
| 22. |
In ________signaling, a portion of the bandwidth is used for signaling and another portion for data. |
| A. | in-band |
| B. | out-of-band |
| C. | mixed |
| D. | none of the above |
| Answer» C. mixed | |
| 23. |
A traditional cable TV network transmits signals ______. |
| A. | upstream |
| B. | downstream |
| C. | upstream and downstream |
| D. | none of the above |
| Answer» C. upstream and downstream | |
| 24. |
In an HFC network, the upstream data are modulated using the _______ modulation technique. |
| A. | QAM |
| B. | QPSK |
| C. | PCM |
| D. | ASK |
| Answer» C. PCM | |
| 25. |
In an HFC network, the downstream data are modulated using the _______ modulation technique. |
| A. | PSK |
| B. | QAM |
| C. | PCM |
| D. | ASK |
| Answer» C. PCM | |
| 26. |
The original telephone network, which is referred to as the plain old telephone system (POTS), was an ________ system. |
| A. | digital |
| B. | analog |
| C. | digital as well as analog |
| D. | none of the above |
| Answer» C. digital as well as analog | |
| 27. |
The meaning of Straight-through Cable is |
| A. | Four wire pairs connect to the same pin on each end |
| B. | The cable Which Directly connects Computer to Computer |
| C. | Four wire pairs not twisted with each other |
| D. | The cable which is not twisted |
| Answer» B. The cable Which Directly connects Computer to Computer | |
| 28. |
The standard for data transmission over an HFC network is called _______. |
| A. | MCNS |
| B. | DOCSIS |
| C. | CMTS |
| D. | ADSL |
| Answer» C. CMTS | |
| 29. |
_____ cable can carry signals of higher frequency ranges than _____ cable. |
| A. | Twisted-pair; fiber-optic |
| B. | Coaxial; fiber-optic |
| C. | Coaxial; twisted-pair |
| D. | none of the above |
| Answer» D. none of the above | |
| 30. |
______ cables carry data signals in the form of light. |
| A. | Coaxial |
| B. | Fiber-optic |
| C. | Twisted-pair |
| D. | none of the above |
| Answer» C. Twisted-pair | |
| 31. |
______ cables are composed of a glass or plastic inner core surrounded by cladding, all encased in an outside jacket. |
| A. | Coaxial |
| B. | Fiber-optic |
| C. | Twisted-pair |
| D. | none of the above |
| Answer» C. Twisted-pair | |
| 32. |
_________ media transport electromagnetic waves without the use of a physical conductor. |
| A. | Guided |
| B. | Unguided |
| C. | Either (a) or (b) |
| D. | None of the above |
| Answer» C. Either (a) or (b) | |
| 33. |
Microwaves are _________. |
| A. | omnidirectional |
| B. | unidirectional |
| C. | bidirectional |
| D. | none of the above |
| Answer» C. bidirectional | |
| 34. |
In a fiber-optic cable, the signal is propagated along the inner core by _______. |
| A. | reflection |
| B. | refraction |
| C. | modulation |
| D. | none of the above |
| Answer» B. refraction | |
| 35. |
Radio waves are _________. |
| A. | omnidirectional |
| B. | unidirectional |
| C. | bidirectional |
| D. | none of the above |
| Answer» B. unidirectional | |
| 36. |
________ are used for short-range communications such as those between a PC and a peripheral device. |
| A. | Radio waves |
| B. | Microwaves |
| C. | Infrared waves |
| D. | none of the above |
| Answer» D. none of the above | |
| 37. |
_______ are used for cellular phone, satellite, and wireless LAN communications. |
| A. | Radio waves |
| B. | Microwaves |
| C. | Infrared waves |
| D. | none of the above |
| Answer» C. Infrared waves | |
| 38. |
Transmission media lie below the _______ layer. |
| A. | physical |
| B. | network |
| C. | transport |
| D. | application |
| Answer» B. network | |
| 39. |
The inner core of an optical fiber is _______ in composition. |
| A. | glass or plastic |
| B. | copper |
| C. | bimetallic |
| D. | liquid |
| Answer» B. copper | |
| 40. |
What does UTP stands for? |
| A. | Unshielded Twisted pair |
| B. | Uniformly twisted pair |
| C. | Unshielded Connecter pair |
| D. | None |
| Answer» B. Uniformly twisted pair | |
| 41. |
Transmission media are usually categorized as _______. |
| A. | fixed or unfixed |
| B. | guided or unguided |
| C. | determinate or indeterminate |
| D. | metallic or nonmetallic |
| Answer» C. determinate or indeterminate | |
| 42. |
In fiber optics, the signal is _______ waves. |
| A. | light |
| B. | radio |
| C. | infrared |
| D. | very low-frequency |
| Answer» B. radio | |
| 43. |
_______ cable consists of an inner copper core and a second conducting outer sheath. |
| A. | Twisted-pair |
| B. | Coaxial |
| C. | Fiber-optic |
| D. | Shielded twisted-pair |
| Answer» C. Fiber-optic | |
| 44. |
Which of the following is not a guided medium? |
| A. | twisted-pair cable |
| B. | coaxial cable |
| C. | fiber-optic cable |
| D. | atmosphere |
| Answer» E. | |
| 45. |
Which of the following primarily uses guided media? |
| A. | cellular telephone system |
| B. | local telephone system |
| C. | satellite communications |
| D. | radio broadcasting |
| Answer» C. satellite communications | |
| 46. |
In an optical fiber, the inner core is _______ the cladding. |
| A. | denser than |
| B. | less dense than |
| C. | the same density as |
| D. | another name for |
| Answer» B. less dense than | |
| 47. |
What is the major factor that makes coaxial cable less susceptible to noise than twisted-pair cable? |
| A. | inner conductor |
| B. | diameter of cable |
| C. | outer conductor |
| D. | insulating material |
| Answer» D. insulating material | |
| 48. |
Which of the following is considered a broadband communication channel? |
| A. | coaxial cable |
| B. | fiber optics cable |
| C. | microwave circuits |
| D. | all of above |
| Answer» E. | |
| 49. |
The copper wire is the example of |
| A. | Unguided media |
| B. | Guided media |
| C. | Group media |
| D. | None |
| Answer» C. Group media | |
| 50. |
Asynchronous Transfer Mode is ______________technology. |
| A. | Narrow band |
| B. | Packet switching |
| C. | Circuit switching |
| D. | None |
| Answer» C. Circuit switching | |