CompTIA Tech+ FC0-U71 TTT Session 2:

[precious]

What does it mean if a driver is digitally signed by Microsoft?
It is the latest version.
Correct Answer:
It is safe and verified.
It is compatible with all devices.
It is free.

Explanation​

The correct answer is: It is safe and verified.

When a driver is digitally signed by Microsoft, it means that Microsoft has tested and verified the driver's authenticity and integrity. This digital signature assures users that the driver has not been tampered with and is from a trusted source. It does not necessarily mean the driver is the latest version, compatible with all devices, or free.

What does Plug-and-Play (PNP) technology do when you connect a new device to a Windows PC?
It formats the device.
It prevents the device from being used.
It automatically detects the device and tries to install a driver.
It requires you to manually install the driver.

Explanation​

The correct answer is: It automatically detects the device and tries to install a driver.

Plug-and-Play (PNP) technology allows a Windows PC to automatically recognize and configure new hardware devices when they are connected. It tries to locate and install the appropriate driver, reducing the need for manual setup.

 

[precious]

What does hot-swappable mean for USB devices?
They are only compatible with certain operating systems.
You can add or remove them while the system is running.
You need to restart the system to add or remove them.
They generate a lot of heat.

Explanation​

The correct answer is: You can add or remove them while the system is running.

Hot-swappable refers to the ability of USB devices (and other types of hardware) to be connected or disconnected from a computer without needing to power off or restart the system. This feature allows for convenience and flexibility when using external devices like USB drives.

 

[precious]

What might you need to do if Windows Update does not find a driver for your hardware?
Restart the computer
Obtain the driver from the device manufacturer
Use a different operating system
Replace the hardware

Explanation​

The correct answer is: Obtain the driver from the device manufacturer.

If Windows Update doesn't find a driver for your hardware, you may need to visit the device manufacturer's website and download the appropriate driver directly. This ensures compatibility and functionality for your hardware. Restarting the computer or using a different operating system is typically not necessary, and replacing the hardware is rarely required in this situation.

 

[precious]

Which interface is most commonly used to connect storage to a computer motherboard?

Ethernet
USB
SATA
HDMI

The correct answer is: SATA (Serial ATA).

SATA is the most commonly used interface to connect internal storage devices, such as hard drives and solid-state drives, to a computer motherboard. Ethernet is used for network connections, USB is for external devices, and HDMI is for video and audio output.

 

[precious]

What should you do if there is a power outage and you have a UPS connected to your computer?

Use the operating system to shut down the computer
Unplug the computer immediately
Restart the computer
Wait for the power to come back without doing anything

explanation

The correct answer is: Use the operating system to shut down the computer.

If there is a power outage and your computer is connected to a UPS (Uninterruptible Power Supply), you should safely shut down the computer using the operating system. The UPS provides temporary power, allowing you to save your work and shut down the system properly to avoid data loss or corruption.

 

[precious]

How do SANs typically connect to ensure fast data transfer?
Via Bluetooth
Through USB cables
Through Wi-Fi
Using fiber cables

explanation

The correct answer is: Using fiber cables.

Storage Area Networks (SANs) typically use fiber optic cables to ensure fast, high-bandwidth data transfer between servers and storage devices. Fiber cables provide low-latency and high-speed connectivity, which is essential for SAN performance. Bluetooth, USB, and Wi-Fi do not offer the necessary speed or bandwidth for SAN environments.

 

[precious]

What is the role of a file server in an organization?

To collect files from workstations
To manage files stored on desktops
To provide files to SANs
To store and manage files centrally

explanation

The correct answer is: To store and manage files centrally.

A file server's role in an organization is to centrally store, manage, and provide access to files and data for users and devices on the network. This allows for efficient file sharing, backup, and collaboration across the organization. It does not manage files stored on individual desktops or collect files from workstations.

 

[precious]

What is the main advantage of HDMI over older connections like VGA?

HDMI is cheaper to produce.
HDMI can carry both audio and video.
HDMI cables are shorter.
HDMI is only used for TVs.

explanation

The correct answer is: HDMI can carry both audio and video.

The main advantage of HDMI over older connections like VGA is that HDMI can transmit both high-definition video and audio through a single cable, whereas VGA only carries video signals and requires separate audio cables. HDMI is used for a wide range of devices, not just TVs.

 

[precious]

What does 1 Hertz (Hz) mean?
One cycle per second
One cycle per minute
One cycle per millisecond
One cycle per hour

Explanation

The correct answer is: One cycle per second.

1 Hertz (Hz) refers to a frequency of one cycle per second. It is the unit of measurement for frequency, commonly used to describe the speed of electrical signals, sound waves, or computer processors.

 

[precious]

What tool can you use in Windows to test memory?

Windows Memory Diagnostic
Disk Cleanup
Device Manager
Task Manager

The correct answer is: Windows Memory Diagnostic.

Windows Memory Diagnostic is a built-in tool in Windows that you can use to test the computer's RAM (memory) for errors. It helps identify issues that may be affecting system performance or stability. Disk Cleanup is for freeing up disk space, Device Manager is for managing hardware devices, and Task Manager is for monitoring system performance and running processes.

 

[precious]

Why do CPUs need cooling systems?

They process billions of instructions every second
They store large amounts of data
They connect to the internet
They have moving parts that generate heat

explanation

The correct answer is: They process billions of instructions every second.

CPUs generate a significant amount of heat while processing billions of instructions per second. Cooling systems are necessary to dissipate this heat and maintain optimal operating temperatures, preventing overheating and ensuring the CPU functions effectively and reliably. While some CPUs may have components with moving parts (like fans), the primary reason for cooling is the high rate of processing activity.

 

[precious]

What is a Storage Area Network (SAN)?

A way to store files in the cloud
A type of software for managing files
A network design to connect different LANs
A separate subnetwork consisting of storage devices and servers

The correct answer is: A separate subnetwork consisting of storage devices and servers.

A Storage Area Network (SAN) is a specialized network designed to provide access to consolidated, block-level data storage. It connects storage devices (like disk arrays and tape libraries) to servers, enabling high-speed data transfer and efficient storage management separate from the local area network (LAN).

 

[precious]

Which motherboard connection is commonly used with M.2 SSDs?

PCIe
SATA
Ethernet
USB

explanation

The correct answer is: PCIe.

M.2 SSDs commonly use the PCIe (Peripheral Component Interconnect Express) interface to connect to the motherboard. This connection allows for faster data transfer rates compared to the SATA interface, which is also used by some SSDs but is generally slower than PCIe.

 

[precious]

What does the term processing speed refer to?
How fast a computer can download files
How fast a computer performs a given operation or task
How fast a computer can connect to the internet
How fast a computer can display images

explanation

The correct answer is: How fast a computer performs a given operation or task.

Processing speed refers to the rate at which a computer's CPU can execute instructions or perform operations. It is typically measured in gigahertz (GHz) and determines how quickly a computer can process data and carry out tasks.

 

[precious]

Why is it important to know the exact make and model of your hardware when installing drivers?

To update Windows
To find the correct driver
To register your device
To speed up your computer

explanation

The correct answer is: To find the correct driver.

Knowing the exact make and model of your hardware is crucial when installing drivers because it ensures that you download and install the correct driver version. Using the wrong driver can lead to compatibility issues, reduced performance, or hardware malfunction.

 

[precious]

What is the significance of frame rate in video output?

It measures the storage capacity of the GPU
It controls the brightness of the display
It affects how smooth graphics and animations appear
It determines the color depth of images

The correct answer is: It affects how smooth graphics and animations appear.

Frame rate, measured in frames per second (FPS), indicates how many individual images (frames) are displayed in one second of video output. A higher frame rate results in smoother motion and more fluid graphics and animations, while a lower frame rate can lead to choppy or jerky visuals.

 

[precious]

Which feature of the motherboard allows new components to be added?
answer
Socket
Bus
Slot
Port

explanation

The correct answer is: Slot.

Slots on the motherboard allow new components, such as graphics cards, sound cards, or network cards, to be added. These slots provide the physical and electrical connections needed for the components to interface with the motherboard and the rest of the system.

 

[precious]

What is the purpose of the pink 3.5mm audio jack on a computer?

To connect a monitor
To connect a microphone
To connect headphones
To connect speakers


explanation

The correct answer is: To connect a microphone.

The pink 3.5mm audio jack on a computer is typically used to connect a microphone. Other audio jacks include the green jack for connecting headphones or speakers and the blue jack for line input.

 

[abiodun1991]

What does NoSQL stand for?

New SQL
No SQL Allowed
Incorrect answer:
Non-Structured Query Language
Correct Answer:
Not Only SQL

Explanation​

 

[abiodun1991]

What is a relational database?
A database that stores data in a single table.
A database that only stores text data
A database that keeps data in several connected tables.
A database that does not use tables at all.

Explanation​