Computer And Technology Comprehensive exam with A+ Graded
Solutions Version 2026/2027.
1: In a Linux environment, a technician needs to find a specific string of text within a large log file.
Which command-line utility is specifically designed to search for patterns using regular expressions?
A) ls
B) grep
C) cd
D) mkdir
correct answer: B
2: When a processor is described as having "superscalar" architecture, what is its primary capability?
A) It can run at speeds exceeding 5.0 GHz.
B) It can execute more than one instruction during a single clock cycle by having multiple execution
units.
C) It is physically larger than a standard CPU.
D) It can function without a cooling fan.
correct answer: B
3: In the context of the OSI model, which layer is responsible for the compression and encryption of
data to ensure it is in a readable format for the application layer?
A) Session Layer
B) Presentation Layer
C) Transport Layer
D) Network Layer
correct answer: B
4: A "VLAN" (Virtual Local Area Network) is a common enterprise networking configuration. What is
the primary purpose of implementing a VLAN on a network switch?
A) To increase the physical number of ports on the switch.
B) To logically group devices from different physical locations into the same broadcast domain for
security and traffic management.
C) To provide wireless access to wired devices.
D) To automatically back up the switch's configuration to the cloud.
correct answer: B
5: What is the main difference between an "SSD" (Solid State Drive) and an "NVMe" (Non-Volatile
Memory Express) drive?
A) SSD is the storage type, while NVMe is the high-speed interface protocol designed specifically for
flash storage to communicate over the PCIe bus.
B) NVMe drives use spinning platters like an HDD.
C) SSDs are faster than NVMe drives.
D) NVMe only works with Apple computers.
correct answer: A
6: In database theory, what does the "D" in ACID properties stand for, and what does it guarantee?
A) Distribution; it guarantees the database is available in multiple countries.
B) Durability; it guarantees that once a transaction has been committed, it will remain so, even in the
event of a power failure or system crash.
, C) Density; it guarantees the maximum amount of data per table.
D) Deletion; it guarantees all old data is removed.
correct answer: B
7: Which specialized server handles the assignment of "Private" IP addresses to devices within a local
network, effectively hiding them from the public internet?
A) DNS Server
B) DHCP Server (utilizing NAT)
C) Print Server
D) Web Server
correct answer: B
8: In software development, what is the purpose of an "Integrated Development Environment" (IDE)?
A) To host the website for the public to see.
B) To provide a comprehensive suite of tools (text editor, debugger, compiler) in a single application
for writing and testing code.
C) To act as a physical server for the development team.
D) To clean the computer's registry files.
correct answer: B
9: What is the primary function of the "Northbridge" in a traditional PC chipset architecture?
A) Managing the USB and SATA connections.
B) Acting as the high-speed interface between the CPU, the RAM, and the AGP/PCIe graphics bus.
C) Controlling the power supply voltage.
D) Connecting the keyboard and mouse to the motherboard.
correct answer: B
10: In cybersecurity, what is "social engineering"?
A) A way to program social media websites.
B) The use of deception to manipulate individuals into divulging confidential or personal information
that may be used for fraudulent purposes.
C) Building a computer in a social environment.
D) Using a computer to meet new people.
correct answer: B
11: What is the purpose of the "ping" command in networking?
A) To download a webpage.
B) To send an ICMP Echo Request to a target host to test connectivity and measure latency.
C) To see the names of all files on a remote server.
D) To change the IP address of the local machine.
correct answer: B
12: In Windows, what is the name of the central database that stores configuration settings for the
operating system and most installed applications?
A) Task Manager
B) The Windows Registry
C) System 32
D) Control Panel
correct answer: B
Solutions Version 2026/2027.
1: In a Linux environment, a technician needs to find a specific string of text within a large log file.
Which command-line utility is specifically designed to search for patterns using regular expressions?
A) ls
B) grep
C) cd
D) mkdir
correct answer: B
2: When a processor is described as having "superscalar" architecture, what is its primary capability?
A) It can run at speeds exceeding 5.0 GHz.
B) It can execute more than one instruction during a single clock cycle by having multiple execution
units.
C) It is physically larger than a standard CPU.
D) It can function without a cooling fan.
correct answer: B
3: In the context of the OSI model, which layer is responsible for the compression and encryption of
data to ensure it is in a readable format for the application layer?
A) Session Layer
B) Presentation Layer
C) Transport Layer
D) Network Layer
correct answer: B
4: A "VLAN" (Virtual Local Area Network) is a common enterprise networking configuration. What is
the primary purpose of implementing a VLAN on a network switch?
A) To increase the physical number of ports on the switch.
B) To logically group devices from different physical locations into the same broadcast domain for
security and traffic management.
C) To provide wireless access to wired devices.
D) To automatically back up the switch's configuration to the cloud.
correct answer: B
5: What is the main difference between an "SSD" (Solid State Drive) and an "NVMe" (Non-Volatile
Memory Express) drive?
A) SSD is the storage type, while NVMe is the high-speed interface protocol designed specifically for
flash storage to communicate over the PCIe bus.
B) NVMe drives use spinning platters like an HDD.
C) SSDs are faster than NVMe drives.
D) NVMe only works with Apple computers.
correct answer: A
6: In database theory, what does the "D" in ACID properties stand for, and what does it guarantee?
A) Distribution; it guarantees the database is available in multiple countries.
B) Durability; it guarantees that once a transaction has been committed, it will remain so, even in the
event of a power failure or system crash.
, C) Density; it guarantees the maximum amount of data per table.
D) Deletion; it guarantees all old data is removed.
correct answer: B
7: Which specialized server handles the assignment of "Private" IP addresses to devices within a local
network, effectively hiding them from the public internet?
A) DNS Server
B) DHCP Server (utilizing NAT)
C) Print Server
D) Web Server
correct answer: B
8: In software development, what is the purpose of an "Integrated Development Environment" (IDE)?
A) To host the website for the public to see.
B) To provide a comprehensive suite of tools (text editor, debugger, compiler) in a single application
for writing and testing code.
C) To act as a physical server for the development team.
D) To clean the computer's registry files.
correct answer: B
9: What is the primary function of the "Northbridge" in a traditional PC chipset architecture?
A) Managing the USB and SATA connections.
B) Acting as the high-speed interface between the CPU, the RAM, and the AGP/PCIe graphics bus.
C) Controlling the power supply voltage.
D) Connecting the keyboard and mouse to the motherboard.
correct answer: B
10: In cybersecurity, what is "social engineering"?
A) A way to program social media websites.
B) The use of deception to manipulate individuals into divulging confidential or personal information
that may be used for fraudulent purposes.
C) Building a computer in a social environment.
D) Using a computer to meet new people.
correct answer: B
11: What is the purpose of the "ping" command in networking?
A) To download a webpage.
B) To send an ICMP Echo Request to a target host to test connectivity and measure latency.
C) To see the names of all files on a remote server.
D) To change the IP address of the local machine.
correct answer: B
12: In Windows, what is the name of the central database that stores configuration settings for the
operating system and most installed applications?
A) Task Manager
B) The Windows Registry
C) System 32
D) Control Panel
correct answer: B
