IT Essential v4.1 Chapter 3

1 Refer to the exhibit. Which type of port is shown?

*RJ45

2 After a technician has assembled a new computer, it is necessary to configure the BIOS. At which point must a key be pressed to start the BIOS setup program?

*during the POST

3 A technician is troubleshooting a computer that has a malfunctioning floppy drive. The technician observes that the floppy drive light remains lit constantly. How should the technician attempt to repair the problem?

*Connect the data cable making sure that the colored stripe on the cable is aligned with pin 1 on the drive and the motherboard.

4 What is a convenient way that a technician can tell whether a ribbon cable is for an IDE hard drive or a floppy drive?

*The floppy cable motherboard connector is normally gray.

5 Which action is recommended to prevent the motherboard from contacting the metal base of the case?

*Use standoffs to keep the motherboard above the metal base.

6 A technician is installing a new power supply in a computer. Which type of power connector should be used to connect to a PATA hard drive?

*Molex

7 Which solution should be used to clean a CPU and a heat sink?

*isopropyl alcohol

8 Which type of drive is installed in a 5.25-inch bay?

*floppy drive

9 What is the most reliable way for users to buy the correct RAM to upgrade a computer?

*Check the motherboard manual or manufacturer’s website.

10 A technician is assembling a new computer. Which two components are often easier to install before mounting the motherboard in the case? (Choose two.)

*CPU

*memory

11 A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a problem. How does the POST indicate the error?

*It issues a number of short beeps.

12 Which additional 4-pin or 6-pin power connector is required by some motherboards?

*AUX

13 Refer to the exhibit. Which type of hard drive uses the power connector shown?

*SATA

14 Which port is typically used for external wireless NICs?

*USB

15. A field technician has been asked to install a wireless 802.11g NIC in a computer, but is unsure about the expansion slots available. Which two types of wireless NICs should the technician have available? (Choose two.)

*PCIe

*PCI

16. A technician is installing a new power supply in a computer. Which type of power connector should be used to connect to a floppy drive?

*Berg

17. Which internal component of a computer uses a 3-pin power connector?

*fan

18. When building a computer, which two components are normally installed in 3.5-inch drive bays? (Choose two.)

*hard drive

*floppy drive

19. How many pins are in a SATA data cable connector?

*7

20. A technician is installing a new CPU in a ZIF socket on a motherboard. What is the primary way of securing the CPU in place?

*load lever.