Troubleshooting and Maintenance of Computer Hardware and Software
1. A computer can access devices on the same network but cannot access devices on other networks. What is the likely cause of this problem?
– The cable is not connected to the NIC correctly.
– The computer has an invalid IP address.
– The computer has an incorrect subnet mask.
– The computer has an invalid address input.
2.
Refer to the exhibit. What is the proper order of safety steps to remove one of several hot-swappable devices?
– 2, 3, 5, 6
– 1, 3, 5, 6
– 1, 4, 5, 6
– 2, 5, 6
3. Which power mode should be used by a laptop computer so that all data is saved, all applications the user is working on are left open, and minimal power is used by the laptop?
– Hibernate
– Suspend
– Leave on without the profile
– Soft power off
4. A technician has been asked to upgrade the printer driver for an older printer. What is the best source for a new driver?
– The manufacturer’s website
5. A technician is called to configure the idle time before the hard drives power down on all Windows laptops in the company. The technician configured the power options in Windows, but it appears to have no effect. Where should the technician look to enable power management?
– BIOS
6. A technician must configure the hard disk on a computer so that it appears to have one drive for the operating system and four drives for data. How can the hard drive be configured to provide this perception?
– Create a primary partition and an extended partition with four logical drives within it.
7. What three rules increase the level of password strength? (Choose three.)
– Passwords should be a combination of letters, numbers, and symbols.
– Passwords should avoid easily guessable personal information like birthdays or initials.
– Enforce password expiration and a strong password policy.
8. A user reports that a new external hard drive is defective. The laptop allows access to the drive intermittently, and then reports the drive cannot be found. Upon initial review of the laptop, it is discovered that the user has ten USB devices connected to the laptop. What is the best quick fix to this problem?
– Remove all peripherals except the hard drive and observe the results.
9. What type of scanner generally has higher costs but produces higher-quality images?
– Drum scanner
10. A technician wants to boot a computer using a CD-ROM that contains a limited operating system and diagnostic utilities. Where would the technician configure the boot order for the PC?
– BIOS
11. What three things should be investigated first when troubleshooting a printer? (Choose three.)
– Check the physical connections.
– Check for low ink or toner warnings.
– Verify there is paper in the tray.
12. What two interface types allow external components to be attached to laptops and desktops without powering off? (Choose two.)
– FireWire
– USB
13. Where in Windows XP can shutdown, hibernate, and standby modes be configured?
– Start > Control Panel > Power Options
14.
Refer to the exhibit. What are two port types shown in the graphic? (Choose two.)
– Network
– USB
15. The manager of ABC Company is calculating the TCO for an inkjet printer. What three factors should be included in this calculation? (Choose three.)
– Price per page
– Purchase price
– Consumables (ink, toner) costs
16.
Refer to the exhibit. What sequence of steps describes the printing process used by a laser printer?
– 3, 4, 1, 6, 2, 5
17. What network connecting device uses a table of MAC addresses to segment the network?
– Switch
18. What is the default subnet mask for a Class A network?
– 255.0.0.0
19. A network administrator is troubleshooting a server that is crashing. While monitoring traffic to the server, the administrator notices repeated, larger-than-normal pings to the server. What is the name of this type of attack?
– Ping of death
20.
Refer to the exhibit. What type of removable media is represented?
– Flash drive
21. A technician has replaced a failing floppy drive. When testing the new drive, the technician notices that the floppy drive light remains lit constantly. What is the most likely cause of the problem?
– The ribbon cable is installed incorrectly.
22. A technician is having problems with laptops overheating. What preventative maintenance procedure can be performed on the laptops to reduce this problem?
– Clean the air vents.
23. What characterizes a denial-of-service (DoS) attack?
– Flooding a server with excessive traffic to prevent legitimate users from accessing server services.
24. When a Windows XP computer has completed the POST for each adapter card that has a BIOS, what is the next step in the boot sequence?
– The system BIOS looks for the boot device.
25. The logical address and routing function at which layer of the OSI model?
– Network Layer
26. ABC Inc. has decided to incorporate redundancy by connecting multiple hard drives to duplicate the information they store. What type of adapter must be installed on the servers to achieve the desired redundancy?
– RAID adapter
27. Where can a user change the idle time after which a laptop switches to standby mode?
– Start > Control Panel > Power Options, then click the Power Schemes tab.
28. What two connector types can be found on DVI cables? (Choose two.)
– Single-Link DVI-D (18+1)
– Dual-Link DVI-D (24+1)
– DVI-A (12+5)
– DVI-I (18+1 + 5)
29. In case of catastrophic system or hardware failure, which Windows XP utility provides a framework to backup and restore the operating system?
– Automated System Recovery (ASR)
30. What connector type is used to connect devices such as hard drives and optical drives?
– Molex
31. ABC Company wants to configure laptop computers to automatically power down components to improve battery life. What power management control can be used to accomplish this?
– Power Options in Control Panel
32. What Windows tool should be used to back up data before an operating system upgrade?
– Ntbackup
33. When analyzing a protocol used on the network, it is discovered that multicast messages are being sent to a network device. What type of IP address is used to send these messages?
– Class D
34. A company uses a computer solely to receive and test all Windows updates. When the latest update was installed, several programs failed. What is the first course of action a technician should attempt to remove the update?
– Use System Restore to revert to the last restore point.
35. What are three advantages of networked computers? (Choose three.)
– Resource sharing (files, printers)
– Centralized administration
– Enhanced communication
36. A technician is troubleshooting a computer that is experiencing a hardware failure detected by the BIOS. What is one way this failure is indicated?
– Beep codes
37. What are two commonly recommended quick fixes when troubleshooting a laptop? (Choose two.)
– Restart the laptop.
– Disconnect peripherals.
38. A client is upset and calls to complain that service on their computer took longer than expected. The technician reviews the work order and notices that the service was performed by a new employee. How should the technician respond?
– Listen to the complaint, apologize for the inconvenience, and explain the situation without making excuses.
39. When installing the Windows XP operating system, a technician is given an option to use different file systems. If security is a requirement, which file system should be chosen?
– NTFS
40. What is the logical topology used for Ethernet architecture?
– Bus
41. What characterizes a DDoS attack?
– Multiple compromised systems flood a target with traffic.
42. What two general precautions should be taken before replacing any non-hot-swappable laptop component? (Choose two.)
– Disconnect the power cord.
– Remove the battery.
43. What cable standard uses a 9-pin connector and supports data rates exceeding 800 Mbps?
– IEEE 1394b (FireWire 800)
44. Which protocol adds security to remote connections?
– SSH
45. Which protocol dynamically assigns IP addresses to network devices?
– DHCP
46. What is the purpose of an IRQ?
– To request service from the CPU by a hardware device.
47. A technician is installing dual operating systems on a computer. Which disk management tool should be used to create two partitions on the hard drive?
– Fdisk (or Disk Management)
48. A technician receives a call from an unhappy customer complaining about the last service provided. The customer continually complains throughout the call. How should the technician handle this call?
– Listen actively, acknowledge the customer’s frustration, and offer a solution or course of action.
49.
Refer to the exhibit. What three statuses are indicated by the LEDs on the diagram? (Choose three.)
– Wireless activity
– Hard drive activity
– Battery status
50. Why do mobile devices such as laptops use specifically designed CPUs?
– Lower power consumption and heat generation
51. While installing a network adapter on a client computer, a technician notices that the contacts on the adapter need to be cleaned. What solution should the technician use to clean the contacts?
– Isopropyl alcohol