Sample Questions and Answers
Which Windows utility is used to manage startup programs?
A) Task Manager
B) Device Manager
C) Disk Management
D) System Restore
Answer: A) Task Manager
Explanation:
Task Manager allows users to enable or disable programs that run at startup.
Which wireless standard operates at 5 GHz and provides high speeds up to 1300 Mbps?
A) 802.11b
B) 802.11g
C) 802.11n
D) 802.11ac
Answer: D) 802.11ac
Explanation:
802.11ac operates primarily on 5 GHz and offers improved speed and performance over earlier standards.
What is the function of an IP address?
A) To uniquely identify devices on a network
B) To route email messages
C) To encrypt data
D) To assign domain names
Answer: A) To uniquely identify devices on a network
Explanation:
An IP address is a unique identifier assigned to each device on a network.
What type of connector is used by SATA cables?
A) 4-pin Molex
B) 15-pin power and 7-pin data
C) RJ-45
D) USB-C
Answer: B) 15-pin power and 7-pin data
Explanation:
SATA uses a 15-pin power connector and a separate 7-pin data connector for storage devices.
What is the primary function of the Windows Event Viewer?
A) Manage disk partitions
B) View detailed logs of system, security, and application events
C) Monitor network traffic
D) Schedule tasks
Answer: B) View detailed logs of system, security, and application events
Explanation:
Event Viewer helps troubleshoot problems by logging detailed system and application events.
Which Windows utility is used to format disks and create partitions?
A) Disk Management
B) Device Manager
C) Disk Cleanup
D) Task Manager
Answer: A) Disk Management
Explanation:
Disk Management allows users to create, delete, and format partitions on hard drives.
Which of the following is NOT an example of phishing?
A) Email requesting password reset
B) Fake login page to steal credentials
C) Network denial of service attack
D) Spear phishing targeting a specific user
Answer: C) Network denial of service attack
Explanation:
Phishing involves deceptive communication to steal information, while DDoS attacks disrupt service.
What tool can be used to test the physical integrity of Ethernet cables?
A) Multimeter
B) Cable tester
C) Loopback plug
D) Spectrum analyzer
Answer: B) Cable tester
Explanation:
Cable testers check for continuity, shorts, and wiring correctness in Ethernet cables.
Which Windows feature can protect data on lost or stolen drives by encrypting entire volumes?
A) BitLocker
B) File History
C) System Restore
D) Windows Defender
Answer: A) BitLocker
Explanation:
BitLocker encrypts entire drives to secure data from unauthorized access.
What does POST stand for in computer boot processes?
A) Power-On Self-Test
B) Program Operating System Test
C) Pre-Operational System Test
D) Primary Output System Test
Answer: A) Power-On Self-Test
Explanation:
POST checks hardware components for errors before the OS loads.
What is the default subnet mask for a Class C IPv4 address?
A) 255.0.0.0
B) 255.255.0.0
C) 255.255.255.0
D) 255.255.255.255
Answer: C) 255.255.255.0
Explanation:
Class C addresses typically use 255.255.255.0 subnet mask, allowing 256 addresses per network.
What is a common cause of a “blue screen of death” (BSOD) in Windows?
A) Faulty hardware or corrupted drivers
B) Network connectivity issues
C) Insufficient disk space
D) Slow internet speed
Answer: A) Faulty hardware or corrupted drivers
Explanation:
BSODs often result from hardware failures or incompatible/corrupted drivers.
Which command is used to release the current DHCP IP address in Windows?
A) ipconfig /release
B) ipconfig /renew
C) netstat -r
D) ping
Answer: A) ipconfig /release
Explanation:
This command releases the current DHCP lease, allowing a new IP to be assigned.
What is the maximum speed of USB 2.0?
A) 480 Mbps
B) 5 Gbps
C) 12 Mbps
D) 1 Gbps
Answer: A) 480 Mbps
Explanation:
USB 2.0 supports speeds up to 480 Mbps.
What does the acronym POST mean?
A) Power-On Self-Test
B) Program Operation Start Task
C) Power Output Standard Test
D) Peripheral Operating System Test
Answer: A) Power-On Self-Test
Explanation:
POST is a diagnostic testing sequence run by BIOS at startup.
What does the “ipconfig” command do in Windows?
A) Displays the IP configuration of the system
B) Changes IP addresses
C) Tests network connectivity
D) Displays routing tables
Answer: A) Displays the IP configuration of the system
Explanation:
Ipconfig shows the current network interface IP address and related info.
Which type of storage device uses flash memory and has no moving parts?
A) HDD
B) SSD
C) Optical drive
D) Tape drive
Answer: B) SSD
Explanation:
Solid State Drives use flash memory, offering faster speeds and durability.
What is the typical voltage supplied by a USB port?
A) 3.3V
B) 5V
C) 12V
D) 24V
Answer: B) 5V
Explanation:
Standard USB ports provide 5 volts DC power to connected devices.
Which Windows utility helps detect malware infections?
A) Disk Cleanup
B) Windows Defender
C) Task Manager
D) Device Manager
Answer: B) Windows Defender
Explanation:
Windows Defender is an antivirus and anti-malware tool built into Windows.
Which cable type is most resistant to electromagnetic interference (EMI)?
A) UTP
B) Coaxial
C) Fiber optic
D) STP
Answer: C) Fiber optic
Explanation:
Fiber optic cables use light for transmission and are immune to EMI.
Which type of expansion slot is commonly used for modern graphics cards?
A) PCI
B) PCIe x16
C) AGP
D) ISA
Answer: B) PCIe x16
Explanation:
PCI Express x16 slots provide high bandwidth for modern GPUs.
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