- Practice Questions
- Quick-Check Answer Key
- Answers and Explanations
Test your knowledge with a free set of test questions from CompTIA A+ Practice Questions Exam Cram Core 1 (220-1001) and Core 2 (220-1002).
Practice Questions
40. A wireless network is referred to as which of the following?
A. SSID
B. WPA
C. DMZ
D. DHCP
Quick Answer: 24
Detailed Answer: 33
41. You have been tasked with blocking remote logins to a server. Which of the following ports should you block?
A. 21
B. 23
C. 80
D. 443
E. 587
Quick Answer: 24
Detailed Answer: 33
42. Which of the following connector types is used by fiber-optic cabling?
A. LC
B. RJ45
C. RG-6
D. RJ11
Quick Answer: 24
Detailed Answer: 33
43. Which protocol uses port 53?
A. FTP
B. SMTP
C. DNS
D. HTTP
Quick Answer: 24
Detailed Answer: 33
44. Which of the following Internet services are wireless? (Select the two best answers.)
A. Cable Internet
B. Satellite
C. DSL
D. Cellular
E. Fiber optic
Quick Answer: 24
Detailed Answer: 33
45. Which of the following terms best describes two or more LANs connected over a large geographic distance?
A. PAN
B. WAN
C. WLAN
D. MAN
Quick Answer: 24
Detailed Answer: 34
46. Which device connects to the network and has the sole purpose of providing data to clients?
A. NAS
B. NAT
C. NAC
D. IaaS
Quick Answer: 24
Detailed Answer: 34
47. You are making your own networking patch cable. You need to attach an RJ45 plug to the end of a twisted-pair cable. Which tool should you use?
A. Tone and probe kit
B. Cable tester
C. Crimper
D. Multimeter
Quick Answer: 24
Detailed Answer: 34
48. Which port is used by RDP?
A. 80
B. 110
C. 443
D. 3389
Quick Answer: 24
Detailed Answer: 34
49. Which key on a laptop aids in switching to an external monitor?
A. Fn
B. Ctrl
C. Alt
D. Shift
Quick Answer: 24
Detailed Answer: 34
50. Which of the following printer failures can be described as a condition in which the internal feed mechanism stopped working temporarily?
A. No connectivity
B. Corrupt driver
C. Paper jam
D. Power cycle
Quick Answer: 24
Detailed Answer: 35
51. A customer can barely hear sound from the speakers on her laptop. What should you do first?
A. Install a new sound driver.
B. Tap the speakers.
C. Search for a volume key.
D. Reinstall Windows.
Quick Answer: 24
Detailed Answer: 35
52. After you replace a motherboard in a PC, the system overheats and fails to boot. Which of the following is the most likely cause?
A. The GPU is not compatible with the CPU.
B. The new motherboard’s firmware is out of date.
C. Thermal paste was not applied between the heat sink and the CPU.
D. The case fan failed.
Quick Answer: 24
Detailed Answer: 35
53. You use your laptop often. Which of the following is a simple, free way to keep your laptop running cool?
A. Keep the laptop on a flat surface.
B. Put the laptop in the freezer when not in use.
C. Direct a fan at the laptop.
D. Keep the laptop turned off whenever possible.
Quick Answer: 24
Detailed Answer: 35
54. Which of the following are important factors when purchasing a replacement laptop AC adapter? (Select the two best answers.)
A. Current and voltage
B. Connector size and shape
C. Battery type
D. Inverter type
Quick Answer: 24
Detailed Answer: 36
55. Eric uses an external monitor with his laptop. He tells you that his laptop will boot, but the system won’t display anything on the external screen. Which of the following solutions enables the display?
A. Connect the laptop to another external monitor.
B. Press the Fn and Screen keys one or more times until an image appears on the screen.
C. Press the Enter and Esc keys while the laptop is booting.
D. Press the Fn key while the laptop is booting.
Quick Answer: 24
Detailed Answer: 36
56. Which type of printer uses a toner cartridge?
A. Inkjet
B. Laser
C. Impact
D. Thermal
Quick Answer: 24
Detailed Answer: 36
57. Which of the following should not be connected to a UPS?
A. PCs
B. Monitors
C. Laser printers
D. Speakers
Quick Answer: 24
Detailed Answer: 36
58. Terri finishes installing a printer for a customer. What should she do next?
A. Verify that the printer prints by using Microsoft Word.
B. Print a test page.
C. Restart the spooler.
D. Set up a separator page.
Quick Answer: 24
Detailed Answer: 36
59. Which of the following best describes printing in duplex?
A. Printing on both sides of the paper
B. Printer collation
C. Full-duplex printer communication
D. Printing to file
Quick Answer: 24
Detailed Answer: 37
60. Special paper is needed to print on which type of printer?
A. Impact
B. Thermal
C. Laser
D. Inkjet
E. 3D
Quick Answer: 24
Detailed Answer: 37
61. Which of the following channels should you select for an 802.11 wireless network?
A. 6
B. 21
C. 802
D. 8080
Quick Answer: 24
Detailed Answer: 37
62. Which environmental issue affects a thermal printer the most?
A. Moisture
B. ESD
C. Dirt
D. Heat
Quick Answer: 24
Detailed Answer: 37
63. Which of the following occurs last in the laser printing process?
A. Charging
B. Exposing
C. Developing
D. Fusing
E. Cleaning
Quick Answer: 24
Detailed Answer: 38
64. Which type of printer uses impact to transfer ink from a ribbon to the paper?
A. Laser
B. Inkjet
C. Impact
D. Thermal
Quick Answer: 24
Detailed Answer: 38
65. Which of the following steps enables you to take control of a network printer from a remote computer?
A. Installing the printer locally and accessing the Sharing tab
B. Installing the printer locally and accessing the spool settings
C. Installing the printer locally and accessing the Ports tab
D. Connecting to the printer via FTP
Quick Answer: 24
Detailed Answer: 38
66. A color laser printer produces images that are tinted blue. Which of the following steps should be performed to address this problem?
A. Clean the toner cartridge
B. Calibrate the printer
C. Change the fusing assembly
D. Clean the primary corona
Quick Answer: 24
Detailed Answer: 38
67. A laptop cannot access the wireless network. Which of the following statements best describes the most likely causes for this? (Select the two best answers.)
A. The function key for wireless was pressed by accident.
B. The user installed a new web browser.
C. The wireless network was forgotten in Windows.
D. The computer is obtaining an IP address automatically.
Quick Answer: 24
Detailed Answer: 38
68. A desktop computer does not have a lit link light on the back of the computer. Which of the following is the most likely reason for this?
A. Wi-Fi was disabled.
B. USB is malfunctioning.
C. The system did not POST correctly.
D. The network cable is disconnected.
Quick Answer: 24
Detailed Answer: 39
69. Which of the following IP addresses would a technician see if a computer running Windows is connected to a multifunction network device and is attempting to obtain an IP address automatically but is not receiving an IP address from the DHCP server?
A. 172.16.10.10
B. 192.168.0.10
C. 169.254.10.10
D. 192.168.10.10
Quick Answer: 24
Detailed Answer: 39
70. For which type of PC component are 80 mm and 120 mm common sizes?
A. Case fans
B. CPUs
C. Heat sinks
D. Memory modules
Quick Answer: 24
Detailed Answer: 39
71. An exclamation point next to a device in the Device Manager indicates which of the following?
A. A driver is not properly installed for this device.
B. The device is disabled.
C. The driver is not digitally signed.
D. The device driver needs to be upgraded.
Quick Answer: 24
Detailed Answer: 40
72. Beep codes are generated by which of the following?
A. CMOS
B. RTC
C. POST
D. Windows
Quick Answer: 24
Detailed Answer: 40
73. Which of the following indicates that a printer is network-ready?
A. An RJ11 jack
B. A USB connector
C. An RJ45 jack
D. An SCSI connector
Quick Answer: 24
Detailed Answer: 40
74. You just turned off a printer to maintain it. Which of the following should you be careful of when removing the fuser?
A. The fuser being hot
B. The fuser being wet
C. The fuser being fragile
D. The fuser releasing toner
Quick Answer: 24
Detailed Answer: 40
75. Which of the following connectors is used for musical equipment?
A. MIDI
B. HDMI
C. DVI
D. DisplayPort
Quick Answer: 24
Detailed Answer: 40
76. Which of the following tools is not used as often as a Phillips screwdriver but is sometimes used to remove screws from the outside of a computer case or from within a laptop?
A. Monkey wrench
B. Torx screwdriver
C. Spudger
D. Pliers
Quick Answer: 24
Detailed Answer: 41
77. Moving your CPU’s speed beyond its normal operating range is called _____________.
A. Overclocking
B. Overdriving
C. Overpowering
D. Overspeeding
Quick Answer: 24
Detailed Answer: 41
78. Which of the following is the most important piece of information needed to connect to a specific wireless network?
A. Channel
B. MAC address
C. SSID
D. Administrator password
Quick Answer: 24
Detailed Answer: 41
79. You are considering a cloud-based service for file storage and synchronization. Which of the following resources is the most critical to your design?
A. Disk speed
B. RAM utilization
C. CPU utilization
D. I/O bandwidth
Quick Answer: 24
Detailed Answer: 41
80. Which of the following statements describes why the display on a laptop gets dimmer when the power supply from the AC outlet is disconnected?
A. The laptop cannot use full brightness when on battery power.
B. Power management settings on the laptop are configured for power-saving.
C. To operate properly, laptop displays require an alternating current power source.
D. Security settings on the laptop are configured to dim the display.
Quick Answer: 24
Detailed Answer: 42