Final Quiz: CompTIA A+ Fundamentals
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1.
Which component is responsible for supplying power to all internal components of a desktop computer?
2.
Which Windows command-line tool is used to check and repair file system errors on a disk?
3.
What is the default subnet mask for a Class C IPv4 network?
4.
Which type of malware encrypts a user's files and demands payment for the decryption key?
5.
What is the first step in the standard troubleshooting methodology?
6.
Which motherboard form factor measures 6.7 x 6.7 inches and is commonly used in small form factor PCs?
7.
What type of memory module is used in laptops and is smaller than desktop DIMMs?
8.
Which storage interface provides the fastest data transfer speeds for connecting an SSD to a motherboard?
9.
A technician finds bulging, leaking capacitors on a motherboard. What is the most likely symptom the user would have reported?
10.
What is the purpose of the CMOS battery (CR2032) on a motherboard?
11.
Which CPU specification determines the cooling solution required for the processor?
12.
Which Windows command repairs corrupt system files by scanning and replacing them?
14.
Which Linux package manager is used on Ubuntu and Debian-based distributions?
15.
In Windows, which tool do you use to view and manage hardware devices and their drivers?
16.
Which file system is the default for macOS since version 10.13?
17.
What does a yellow exclamation mark next to a device in Device Manager indicate?
18.
Which protocol operates at Layer 2 of the OSI model and uses MAC addresses for forwarding?
19.
What is the default port number for HTTPS (encrypted web traffic)?
20.
An IP address of 169.254.x.x indicates which condition?
21.
Which Wi-Fi security standard replaced WPA2 and uses SAE (Simultaneous Authentication of Equals)?
22.
What is the function of DNS in a network?
24.
A computer powers on but displays nothing on the monitor. What should you check FIRST?
25.
A user reports their computer is running very slowly. Which upgrade provides the biggest performance improvement?
26.
What does the POST (Power-On Self-Test) sequence of 1 long beep followed by 2 short beeps typically indicate?
27.
A user cannot print. The print queue shows documents stuck. What is the first troubleshooting step?
28.
Windows shows a Blue Screen of Death with code 'IRQL_NOT_LESS_OR_EQUAL'. What is the most likely cause?
29.
Which authentication factor is a fingerprint scan classified as?
30.
What is the recommended first action when you discover a computer is infected with ransomware?
32.
What is the principle of least privilege in access control?
33.
Which free tool is recommended as a second-opinion malware scanner alongside Windows Defender?
34.
Which type of hypervisor runs directly on the host hardware (bare-metal)?
35.
Which organization sets standards for Electrostatic Discharge (ESD) prevention in IT environments?
36.
Before disposing of a company laptop, what must you do to protect company data?