CompTIA A+ Exam Cables Notes

Sky D. Semone September 2018

1 Questions

All questions taken from 2016 reference guides and various helpful online sources. [2],[1]

1. Which of the following answers lists the maximum allowable length for a USB cable?

• 5 meters 2. The Land Grid Array (LGA) is a type of integrated circuit packaging that is notable for having the pins arranged in a regular array on the underside of the package.

• False 3. A single Serial ATA (SATA) cable can be used to connect one socket to: • Only one device

4. Which of the following answers refer(s) to the characteristics of Parallel ATA (PATA) cabling? • Cable consisting of 40 wires • Ribbon cable • Cable consisting of 80 wires 5. Parallel ATA (PATA) cabling uses: • 40-pin connectors 6. The maximum allowable cable length of 4.5 meters is a characteristic fea- ture of: • IEEE 1394 • FireWire

1 7. The PS/2 connector is a 6-pin Mini-DIN connector used for connecting • Mice • Keyboards 8. Which of the following cabling types are used in optical-fiber communica- tion links? • Multimode • Single mode 9. Video Graphics Array (VGA) connector is a: • Three-row 15-pin connector 10. Parallel cable connectors include: • Centronics connector • DB-25 connector 11. Which of the following answers refer(s) to S/PDIF? • Digital audio interface • Coaxial cabling • Fiber-optic cabling 12. The Parallel ATA (PATA) interface standard specifies the maximum al- lowable cable length of: • 18 inches 13. Which of the answers listed below refer to coaxial cabling? • RG-59 • RG-6 14. Which of the following devices connects to the motherboard via a 34-pin ribbon cable? • Drive (FDD) 15. The Pin Grid Array (PGA) is a type of surface-mount packaging for in- tegrated circuits (ICs) that is notable for having the pins on the socket rather than the integrated circuit. • False 16. The Serial ATA (SATA) interface standard defines a data cable connector consisting of: • 7 pins

2 17. The Universal Serial (USB) standard specifies that type A connectors can be attached to: • Devices that supply power • Host devices

18. Which of the following connector types are used with fiber-optic cabling? • ST • SC • LC

19. The optional 8-pin PCIe connector increases the maximum allowable power consumption of a PCIe card by additional 150 Watts. • True 20. The Serial ATA (SATA) interface specification defines the maximum al- lowable cable length of: • 1 meter 21. Which of the following connector types are used with coaxial cabling? • F-connector • BNC 22. The external Serial ATA (eSATA) standard defines the maximum allow- able cable length of: • 2 meters

23. Which of the following Digital Visual Interface (DVI) connector types does not provide support for digital signal transmission? • DVI-A 24. Which of the following answers list the most common areas of application of the RJ-11 connector?

• Telephone equipment • Dial-up networking 25. What is the maximum number of devices that can be attached to a PC through a single PATA cable?

• 2 26. Which of the following twisted-pair cabling types provides additional pro- tection against electromagnetic interference?

3 • STP 27. The Universal Serial Bus (USB) standard specifies that type B connectors can be attached to: • Target devices • Devices that receive power 28. The optional 6-pin PCIe connector increases the maximum allowable power consumption of a PCIe card by additional 75 Watts. • True

29. Which of the following connector types are used with twisted-pair cabling? • RJ-45 • RJ-11 30. The Serial ATA (SATA) interface standard defines a power connector con- sisting of: • 15 pins 31. Which of the following Digital Visual Interface (DVI) connector types does not provide support for analog signal transmission?

• DVI-D 32. The purpose of the characteristic ”twist” in an FDD cable wiring is to allow the controller to differentiate between drive A and drive B on the cable. • True

33. Which of the following connectors provide the capability for carrying both video and audio signals? • DisplayPort • HDMI

34. Which of the following Digital Visual Interface (DVI) connector types provides support for both digital and analog video signal transmission? • DVI-I 35. Phono connector, Cinch connector, and ”A/V jack” all refer to a popu- lar type of electrical connector commonly used to carry audio and video signals. This type of connector is formally known as: • RCA Connector

4 36. DE-15, DB-15, and HD-15 are names referring to the different variants of the: • VGA connector 37. In building construction, a space between the structural floor and the dropped ceiling (or under a raised floor) facilitating air circulation for heating and air conditioning systems typically used to house the com- munication cables for the building’s and telephone network is known as plenum. • True

38. Which of the following connector types allow(s) for attaching keyboard to a PC? • PS/2 • 6-pin Mini-DIN • USB 39. The standardized pin/pair assignment methods for twisted pair cabling are known as: • T568A and T568B

40. The 20- or 24-pin connector providing main power to the motherboard is commonly referred to as: • P1 Connector 41. According to the fire safety standards, the jacket of a plenum-rated cable should be made of a low-smoke material providing good resistance against fire. • True 42. Which of the following answers list the characteristic features of the signal that can be carried through the VGA connectors and cables?

• Video only • Analog only 43. What is the cable segment length limit for CAT3, CAT5, and CAT5e cabling?

• 100 meters 44. Which of the following answers refers to the features of DisplayPort? • Digital audio/video connector

5 45. The most popular type of power connector in desktop PCs is commonly referred to as: • Molex 46. An additional ATX12V power connector designed to supply dedicated power for the CPU is known as: • P4 connector 47. Which of the following answers refers to an 8-pin secondary power connec- tor designed to supply dedicated power for the CPU on high-end/ ?

• EPS12V 48. Which of the following connector types plugs into a port of an NIC? • RJ-45

49. Which of the following answers list the characteristic features of the signal that can be carried through the HDMI connectors and cables? • Digital signal • Video and audio

50. Which older generation of personal relied on a 25-pin SCSI port for connecting devices? • Apple Macintosh 51. Which types of standard FireWire connectors have the capability of sup- plying voltage to a device? • 6-pin connector • 9-pin connector 52. For optical connections, The IEEE 1394b standard extends the maximum allowable cable length to 100 meters. • True 53. Which of the following interfaces takes advantage of the 19-pin Type A connector?

• HDMI 54. Examples of connector types used for carrying audio signals include: • TRS connector

6 • RCA connector • S/PDIF connector 55. A proprietary connector type used by Apple mobile devices is known as: • connector

56. A single copper-based cable provides the capability for a simultaneous transfer of: • Data from connected PCI Express (PCIe) devices • DC power • Data from connected DisplayPort devices 57. Which of the following answers lists the maximum allowable length for Thunderbolt copper cabling? • 3 meters

58. What is the maximum length of a fiber-optic Thunderbolt cable? • 60 meters 59. Connector types used with Thunderbolt devices include: • Mini DisplayPort (MDP) • USB Type-C 60. Which of the following connectors is used for the purpose of increasing the power consumption limit of advanced PC graphics cards? • PCIe 6/8-pin

7 References

[1] Dulaney Emmett. Skandier Toby. Docter, Quentin. CompTIA A+ Complete Certification Kit: Exams 220-901 and 220-902. Sybex, 2016. [2] Mike Meyers. CompTIA A+ Certification All-in-One Exam Guide, Ninth Edition (Exams 220-901 220-902). McGraw-Hill Education, 2016.

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