1.
CompTIA A+: Mobile devices
What is the primary function of an IMEI number in mobile devices?
1 out of 90
2.
CompTIA A+: Mobile devices
Which technology is primarily used for short-range wireless communication between mobile devices and peripheral accessories?
2 out of 90
3.
CompTIA A+: Mobile devices
Which of the following components is essential for enabling facial recognition technology in mobile devices?
3 out of 90
4.
CompTIA A+: Mobile devices
What is the primary purpose of an accelerometer in mobile devices?
4 out of 90
5.
CompTIA A+: Mobile devices
What is the main function of Gorilla Glass in mobile devices?
5 out of 90
6.
CompTIA A+: Mobile devices
Which of the following best describes the term 'tethering' in the context of mobile devices?
6 out of 90
7.
CompTIA A+: Mobile devices
In mobile device security, what does a 'sandbox' environment refer to?
7 out of 90
8.
CompTIA A+: Mobile devices
In mobile devices, what does the term 'jailbreaking' refer to?
8 out of 90
9.
CompTIA A+: Mobile devices
In the context of mobile devices, what is the primary function of an OLED display?
9 out of 90
10.
CompTIA A+: Mobile devices
Which mobile device component is responsible for converting digital data into analog sound signals?
10 out of 90
11.
CompTIA A+: Mobile devices
What is the primary purpose of a VPN on a mobile device?
11 out of 90
12.
CompTIA A+: Mobile devices
Which feature in mobile devices adjusts the screen's brightness based on ambient light conditions?
12 out of 90
13.
CompTIA A+: Mobile devices
What does the term 'rooting' refer to in Android mobile devices?
13 out of 90
14.
CompTIA A+: Networking
In an IPv6 address, what is the typical format of a link-local address?
14 out of 90
15.
CompTIA A+: Networking
In network security, what does a 'DMZ' (Demilitarized Zone) refer to?
15 out of 90
16.
CompTIA A+: Networking
What does the term '10/100/1000' refer to in the context of Ethernet networking?
16 out of 90
17.
CompTIA A+: Networking
Which wireless encryption protocol is considered the most secure for Wi-Fi networks?
17 out of 90
18.
CompTIA A+: Networking
In networking, what does NAT (Network Address Translation) accomplish?
18 out of 90
19.
CompTIA A+: Networking
What is the primary purpose of the DNS (Domain Name System)?
19 out of 90
20.
CompTIA A+: Networking
In networking, what is the purpose of the 'traceroute' command?
20 out of 90
21.
CompTIA A+: Networking
What is the primary function of a VLAN (Virtual Local Area Network)?
21 out of 90
22.
CompTIA A+: Networking
What is the primary function of the QoS (Quality of Service) feature in a router?
22 out of 90
23.
CompTIA A+: Networking
Which type of network cable is used to connect a computer to a switch in a standard Ethernet network?
23 out of 90
24.
CompTIA A+: Networking
Which of the following is a characteristic of a fiber optic cable?
24 out of 90
25.
CompTIA A+: Networking
What is the primary function of SNMP (Simple Network Management Protocol)?
25 out of 90
26.
CompTIA A+: Networking
What is the function of the ARP (Address Resolution Protocol) in a network?
26 out of 90
27.
CompTIA A+: Networking
Which protocol is used for securely transferring files over a network in a UNIX-like environment?
27 out of 90
28.
CompTIA A+: Networking
In a TCP/IP network, what is the purpose of the 'subnet mask'?
28 out of 90
29.
CompTIA A+: Networking
What does the term 'latency' refer to in a network?
29 out of 90
30.
CompTIA A+: Networking
In a wireless network, what does MIMO (Multiple Input Multiple Output) technology improve?
30 out of 90
31.
CompTIA A+: Networking
In the OSI model, at which layer does the IPv4 protocol operate?
31 out of 90
32.
CompTIA A+: Hardware
In the context of laptop displays, what does the term IPS stand for and signify?
32 out of 90
33.
CompTIA A+: Hardware
What is the primary difference between an ATX and a MicroATX motherboard?
33 out of 90
34.
CompTIA A+: Hardware
What type of RAM is primarily used in modern graphics cards?
34 out of 90
35.
CompTIA A+: Hardware
Which connector type is commonly used for modern internal hard drives?
35 out of 90
36.
CompTIA A+: Hardware
What is the primary purpose of a ZIF (Zero Insertion Force) socket in computer hardware?
36 out of 90
37.
CompTIA A+: Hardware
In a computer system, what is the primary purpose of a Southbridge chipset?
37 out of 90
38.
CompTIA A+: Hardware
What does the term 'thermal throttling' refer to in the context of CPU performance?
38 out of 90
39.
CompTIA A+: Hardware
Which type of RAM is typically used in the cache memory of a processor?
39 out of 90
40.
CompTIA A+: Hardware
Which type of cable is most suitable for a 10 Gbps network connection over a distance of 100 meters?
40 out of 90
41.
CompTIA A+: Hardware
What is the primary function of a VRM (Voltage Regulator Module) in a motherboard?
41 out of 90
42.
CompTIA A+: Hardware
In computer hardware, what is the function of a heatsink?
42 out of 90
43.
CompTIA A+: Hardware
What is the purpose of ECC (Error-Correcting Code) memory in a computer system?
43 out of 90
44.
CompTIA A+: Hardware
In the context of computer hardware, what is a primary function of the CMOS battery?
44 out of 90
45.
CompTIA A+: Hardware
Which connector type is commonly used for connecting solid state drives (SSDs) in a high-performance computing environment?
45 out of 90
46.
CompTIA A+: Hardware
What is the primary advantage of using a multi-core processor in a computer?
46 out of 90
47.
CompTIA A+: Hardware
What type of power connector is typically used by modern graphics cards?
47 out of 90
48.
CompTIA A+: Hardware
Which hardware component is responsible for converting digital signals to analog signals for a monitor?
48 out of 90
49.
CompTIA A+: Hardware
What is the function of the VRM (Voltage Regulator Module) on a motherboard?
49 out of 90
50.
CompTIA A+: Hardware
Which of the following is a primary characteristic of a Thunderbolt 3 connection?
50 out of 90
51.
CompTIA A+: Hardware
In computer hardware, what is the primary use of a riser card?
51 out of 90
52.
CompTIA A+: Hardware
What is the purpose of a KVM (Keyboard, Video, Mouse) switch in a computer environment?
52 out of 90
53.
CompTIA A+: Hardware
In computer hardware, what is the function of a heatsink?
53 out of 90
54.
CompTIA A+: Hardware
Which hardware component is responsible for converting digital signals to analog signals for a monitor?
54 out of 90
55.
CompTIA A+: Virtualization and Cloud Computing
In a virtualized environment, what is the role of a Virtual Machine Monitor (VMM)?
55 out of 90
56.
CompTIA A+: Virtualization and Cloud Computing
What is the primary purpose of a Type 1 hypervisor in a virtualized environment?
56 out of 90
57.
CompTIA A+: Virtualization and Cloud Computing
Which technology allows different virtual machines on a single physical host to share the same physical network interface card NIC?
57 out of 90
58.
CompTIA A+: Virtualization and Cloud Computing
What is the main advantage of using thin provisioning in a virtualized storage environment?
58 out of 90
59.
CompTIA A+: Virtualization and Cloud Computing
What does the term "elasticity" refer to in the context of cloud computing?
59 out of 90
60.
CompTIA A+: Virtualization and Cloud Computing
Which of the following best describes Software as a Service (SaaS) in cloud computing?
60 out of 90
61.
CompTIA A+: Virtualization and Cloud Computing
In cloud computing, what is the main characteristic of the Infrastructure as a Service (IaaS) model?
61 out of 90
62.
CompTIA A+: Virtualization and Cloud Computing
In virtualization, what is the function of snapshot technology?
62 out of 90
63.
CompTIA A+: Virtualization and Cloud Computing
Which feature in cloud computing allows for automatic scaling of resources based on workload demands?
63 out of 90
64.
CompTIA A+: Virtualization and Cloud Computing
What is the primary function of a cloud access security broker CASB in cloud computing?
64 out of 90
65.
CompTIA A+: Hardware and Network Troubleshooting
Which tool is essential for safely troubleshooting a power supply unit (PSU) in a desktop computer?
65 out of 90
66.
CompTIA A+: Hardware and Network Troubleshooting
When a computer's fan is constantly running at high speed, even under low load conditions, what should be checked first?
66 out of 90
67.
CompTIA A+: Hardware and Network Troubleshooting
In troubleshooting a network issue, which tool is used to trace the path a packet takes from the source to the destination?
67 out of 90
68.
CompTIA A+: Hardware and Network Troubleshooting
In a scenario where a laptop connects to a Wi-Fi network but has no internet access, what is the first setting to check?
68 out of 90
69.
CompTIA A+: Hardware and Network Troubleshooting
In a PC, which component should be checked first when the system powers on but fails to complete the POST (Power-On Self Test)?
69 out of 90
70.
CompTIA A+: Hardware and Network Troubleshooting
What tool is most effective for testing the physical integrity of an Ethernet cable?
70 out of 90
71.
CompTIA A+: Hardware and Network Troubleshooting
When troubleshooting a PC that suddenly shuts down, what should be checked first?
71 out of 90
72.
CompTIA A+: Hardware and Network Troubleshooting
Which of the following is a common symptom of a failing power supply unit (PSU) in a computer?
72 out of 90
73.
CompTIA A+: Hardware and Network Troubleshooting
Which of the following issues is most likely indicated by a 'Double Beep' sound during a computer's boot process?
73 out of 90
74.
CompTIA A+: Hardware and Network Troubleshooting
What is the most likely cause of a 'No Signal' message on a monitor when a computer is powered on?
74 out of 90
75.
CompTIA A+: Hardware and Network Troubleshooting
What is the primary reason for a computer displaying the error message "Operating System Not Found" on boot?
75 out of 90
76.
CompTIA A+: Hardware and Network Troubleshooting
In a laptop, repeated failure to recognize an inserted USB device most likely indicates a problem with what?
76 out of 90
77.
CompTIA A+: Hardware and Network Troubleshooting
What is the most likely reason for a network printer to be accessible but unable to print?
77 out of 90
78.
CompTIA A+: Hardware and Network Troubleshooting
What tool is commonly used to test the output voltage of each connector on a power supply unit (PSU) in a computer?
78 out of 90
79.
CompTIA A+: Hardware and Network Troubleshooting
When troubleshooting a network issue, what does a "Request Timed Out" message in a ping test typically indicate?
79 out of 90
80.
CompTIA A+: Hardware and Network Troubleshooting
What is the most likely cause of intermittent connectivity issues in a wireless network, assuming the signal strength is strong?
80 out of 90
81.
CompTIA A+: Hardware and Network Troubleshooting
What is the most probable cause of a BSOD (Blue Screen of Death) error in Windows immediately after installing new hardware?
81 out of 90
82.
CompTIA A+: Hardware and Network Troubleshooting
In a scenario where a PC starts but the BIOS screen is not displayed, which component is most likely at fault?
82 out of 90
83.
CompTIA A+: Hardware and Network Troubleshooting
In a situation where a computer's hard drive is making a loud clicking noise, what is the most likely issue?
83 out of 90
84.
CompTIA A+: Hardware and Network Troubleshooting
What is the primary function of a loopback plug when troubleshooting network issues?
84 out of 90
85.
CompTIA A+: Hardware and Network Troubleshooting
What would be the first step in troubleshooting a PC that beeps continuously when powered on but does not display anything on the screen?
85 out of 90
86.
CompTIA A+: Hardware and Network Troubleshooting
When diagnosing a printer that produces poor quality prints, what should be checked first?
86 out of 90
87.
CompTIA A+: Hardware and Network Troubleshooting
What is the primary function of a KVM switch in a network troubleshooting environment?
87 out of 90
88.
CompTIA A+: Hardware and Network Troubleshooting
In a scenario where a laptop's battery is not charging, what is the first component you should check?
88 out of 90
89.
CompTIA A+: Hardware and Network Troubleshooting
What is typically the cause of 'ghost' prints, where faint images of previous prints appear on newly printed pages?
89 out of 90
90.
CompTIA A+: Hardware and Network Troubleshooting
What is the most likely cause of a system that starts up but displays nothing on the monitor and the monitor is known to be good?
90 out of 90
