csc spring final

what are Two main characteristics of a community cloud

1. Commonly hosted externally by a third party. 2. Designed to be shared by several organizations.

Full-array WLED

Able to dim specific regions of the screen.

What is a base-10 numbering system also known as?

Decimal

Which of the following sound card port types can normally handle video content? (Select two.)

HDMI and IEEE 1394

what display technologies require backlighting?

LCD and LED

Your older notebook LCD display often goes dim or sometimes blank. Which of the following would be the BEST first step to resolve this issue?

Replace the CCFL inverter.

For the past few days, your mobile phone has stopped functioning and does not respond to touchscreen input. A soft reset no longer fixes the problem. Which of the following is the BEST step you can take to fix this problem?

Reset to factory default.

How many memory modules do you need to install at the same time in order to operate your computer in quadruple-channel memory mode?

Sets of four

Your laptop's LCD screen is beginning to flicker and dim. You have checked the brightness setting to make sure that it is configured correctly. Which of the following is the MOST likely cause of your screen issue?

The LCD screen inverter is failing.

Jeremy has just purchased an entry-level filament 3D printer to create three-dimensional game accessories. He has just printed his first game piece, but there are problems with adhesion between the filament layers, and the final piece is slightly warped. Which of the following BEST provides the solution to Jeremy's issues?

Use a heated bed

VGA ports

VGA ports, also called DE-15 ports, are named for their characteristic D-shape and 15 pins.

How do switches and bridges learn where devices are located on a network?

When a data packet enters a port, the source MAC address is copied from the data packet header.

Trusted Platform Module (TPM)

is a special chip on the motherboard that generates and stores cryptographic keys.

Storage area network or SAN

is a special type of network that provides high-speed access to storage across the network.

endpoint management server

is a way to keep track of various devices while ensuring that software is secure.

community cloud

is designed to be shared by several organizations.

TCP

is most often combined with Internet Protocol (IP) to send data across the internet.

Multithreading

is the ability to run multiple parts of an application simultaneously.

You've just installed a new USB card reader on your Windows computer. Every time you perform a certain action using the card reader, you get an error message that you've never seen before. Which of the following actions should you perform FIRST?

Check the manufacturer's website for information about the error.

You are troubleshooting a malfunctioning laptop computer. Nothing appears on the LED display when the system is powered on. What is the BEST step to try first?

Plug in an external monitor.

forward lookup zone

matches the hostname to the IP address

what maximum range of the Bluetooth 2.0 specification?

30 meters

After working without problems for a couple of years, your computer has begun to lock up. You suspect that it is a thermal issue, but you can't find any component that is not functioning correctly. You have not replaced the CPU or installed any new devices. The CPU cooling fan and the power supply fan are working properly. The lock-ups are happening with increasing frequency. What is the MOST common condition that explains these symptoms?

An accumulation of dust has gradually built up.

One of your customers is still using an old dot matrix printer. While printing, the customer notices that the text is light or faint. You installed a new printhead, but the document printing is still faint. What should you do to troubleshoot the cause?

Check the gap between the printhead and paper.

You have just installed a new video card in a user's Windows workstation. When the system is powered on, the screen is blank. You have checked the video cable and verified that it is installed correctly. What should you do next?

Check to make sure that the video card is correctly installed on the system board.

You are a first-line desktop support technician. A user reports that he cannot access several network files. After some investigation, you determine that the problem is with a network server. Which of the following actions should you perform next?

Determine if escalation is needed.

Which component in a laser printer applies toner to the drum, causing the toner to stick to the charged areas on the drum?

Developing roller

Modbus

Modbus is a special network protocol that controller systems use to communicate with each other.

CCFL

Produces better colors than WLED (consumes more energy).

You have ordered and are about to replace an LCD screen on a laptop device. You have already placed the laptop on a static mat, attached a static wristband, and unplugged the laptop. What is your next step in replacing the LCD screen?

Remove the battery.

You want to create a virtual machine environment in which you can develop and test new software. Which virtualization benefit BEST describes the testing environment that you want to implement?

Sandbox

You have been tasked with creating a new software application and test the development of the software. You want an environment that can be isolated from the production network for the development and testing. What virtualization feature will BEST meet your application development requirements?

Sandbox virtualization

WLED

The least expensive, thinnest, and most widely used type of LCD.

what paper types should you not use in Inkjet printers?

Very glossy paper not specifically marked "For inkjet printers.

Virtual memory

Virtual memory is simulated memory that is created through a paging file on the hard drive.

You are removing the bezel from a laptop's LCD display screen. After several attempts to pry up the bezel and remove it, you have not separated the bezel from the case. Which of the following is the MOST likely reason for your inability to remove the bezel?

You missed a screw

biometric scanner

a device that captures a retina, fingerprint, face, or heartbeat for authentication purposes.

Ethernet router

a device that connects two or more network segments or subnets. This would meet your networking needs.

Inkjet ink cartridge includes what

a printhead, circuitry, and one or more colors of ink.

Caching

allows frequently accessed data to be stored on the local proxy server so that a user's request never has to leave the network for retrieval.

The stapler cartridge in your printer is jammed. After removing the cartridge, what is the NEXT step to resolve the issue?

carefully remove any staples lodged in the opening.

overheated CPU

cause a spontaneous reboot or intermittent system crashes. A spontaneous reboot can also be caused by a bad power supply or device driver.

hybrid cloud

combines public, private, and community cloud resources from different service providers.

Software as a Service or SaaS

delivers software applications to a client either over the internet or on a local area network.

Magnetic fields

located close to a computer can cause undesired effects or even data loss.

Multitasking

the ability to run multiple applications simultaneously.

Three way handshake steps

1. The first host sends a SYN packet asking to create a new session. 2. The receiving host replies with a SYN-ACK packet acknowledging that the session can be created. 3. The first host replies with the ACK packet, which then opens the session.

You want to build a new system that supports 16 GB of memory. Which of the following is the MOST important consideration when building the computer?

64-bit processor

A computer's power supply converts main AC to low-voltage regulated DC power for the internal components. You are building a new computer, and you are deciding which type of power supply to install. Which of the following definitions BEST describes a valid type of power supply?

A dual-rail power supply provides separate rails (PCB traces) to balance the power load between multiple circuits (this prevents any one circuit from becoming overloaded).

While trying to use a projector for a presentation, you receive an error that states, "No signal detected." What is the MOST likely cause of this error?

A loose HDMI cable

A manufacturing company has customized a computer application that supervisors use to track line worker efficiency. Supervisors will interact with the application while walking within and between work areas and will also use the laptop while sitting at their desks. What laptop features will BEST minimize the awkward movement of carrying a bulky laptop with a hinged display while providing the flexibility to use the device at a desk?

A rotating or removable screen

Lately, your computer has been spontaneously shutting down after only a few minutes of use. What is the likely cause?

An improperly installed fan or heat sink can cause CPU overheating, which would likely cause the computer to shut down shortly after power-on. Dust buildup and improper ventilation can also cause CPU overheating.

You are currently running a video editing application on your Windows 11 laptop. The laptop includes both an SSD drive and a traditional hard drive. You run the video application on the hard drive, but you would like to install and run the app from the SSD drive to enhance performance speed. what should you do to protect the video application and associated data files from drive failure when you move them to the SSD drive?

Configure an automatic backup to the hard disk drive.

You are the manager in charge of maintaining desktop computers. A user reports that she can't turn her computer on. After some investigation, you find that the power supply is malfunctioning. Which of the following actions should you perform next?

Create an action plan

You have recently been hired by a course development company to develop online simulations, and you have been given permission to work at home. The company has given you a laptop computer, two external displays, and a wireless mouse and keyboard. However, you also want to connect several of your own personal devices to the laptop, including a printer, headset, webcam, a third external display, and a drawing pad. You also want to be able to boot your laptop with all these devices without opening up the laptop. what items should you request from your company to help connect all these devices in the EASIEST and most EFFECTIVE way possible?

Docking station

What are two major concerns regarding IoT devices?

Hackers and privacy

You are configuring a new system, and you want to use a RAID 0 array for the operating system using SATA disks and a special controller card that includes a RAID processor. Which RAID method should you use?

Hardware

You just got a new monitor for your computer. After using it for a few days, you notice that you have more eye strain and are getting headaches. Which of the following monitor changes would MOST likely reduce or eliminate your symptoms?

Increase the refresh rate.

You would like to control internet access based on user, time of day, and websites visited. Which of the following actions would BEST meet your criteria?

Install a proxy server. Allow internet access only through the proxy server.

What does the term cloud mean when referring to cloud computing?

It is a metaphor for the internet based on the basic cloud drawing used to represent a telephone network.

Jared has just installed an additional HDD on his Windows computer for storing multimedia files. He inserts a DVD disc to watch a movie with his usual movie player software, but the movie fails to play. In fact, the player indicates that there is no DVD drive available. What is the BEST first step that Jared should take to resolve the issue?

Make sure the movie player is pointing to the correct drive letter for the DVD drive.

You are in the process of configuring a new computer. The motherboard has four memory slots and supports dual-channel memory. You install two memory modules. When you boot the computer, the BIOS recognizes both modules, but the memory is not configured to run in dual-channel mode. What should you do to resolve the issue?

Move the modules to the correct motherboard slots.

A user pays for a retail purchase by placing a smartphone next to the merchant's reader. Which of the following wireless mobile device connections is this?

NFC

You decided to upgrade your PC with a faster processor. To do this, you ordered a new motherboard over the internet that supports the processor that you want to use. When the motherboard arrives, you discover that the motherboard uses the Micro-ATX form factor. Your current case is an ATX mid-tower with a standard ATX motherboard inside. Which steps must you take for the Micro-ATX motherboard to work in the ATX case

No additional steps are necessary. You can install the Micro-ATX motherboard in the ATX case.

You are connecting an older dot matrix printer to a computer. The printer's cable is a D-shaped connector with 25 pins (pictured below). Which port type does the printer connect to?

Parallel port

An employee calls to complain that their computer is behaving erratically. Some days, it functions correctly, and other days, it crashes frequently. Sometimes, the system won't boot at all. You open the system case and notice the following: Two of the mounting screws are missing from the system hard disk drive. The system uses memory modules from several different manufacturers with mismatched capacities. Several capacitors on the motherboard are bulging and have a brown liquid oozing from them. The chassis fan on the front of the case is oriented to blow air into the system. What should you do?

Replace the motherboard.

While creating a virtual machine, you decide to set it up to use an external network. What else do you need to do to enable the eternal network configuration?

Select a NIC using the virtual switch manager.

You have purchased an LED monitor and connected it to the HDMI port on your computer using an HDMI cable. You configure the screen resolution to 1280 x 1024 with 32-bit color. The geometry of the images displayed on the screen appear to be distorted. What should you do to correct the problem?

Set the display resolution to the native resolution of the monitor.

You have purchased an LED monitor and connected it to the HDMI port on your computer using an HDMI cable. You configure the screen resolution to 1280 x 768 with 32-bit color. The images displayed on the screen appear to be overly large. What should you do to correct the problem?

Set the display resolution to the native resolution of the monitor.

After receiving several complaints from the employees in your company about a laser printer, you start the troubleshooting process. After printing out a few pages, you conclude that the most probable cause is a dirty drum. Which of the following is the MOST logical reason for this conclusion?

Speckles at regular intervals on the page

Your company's graphic designers were given laptop computers several months ago. The laptops have a 500-GB SSD drive for the operating system and applications and a 1-TB hard drive for storing media files. Now, a few of the graphic designers are complaining about slow performance on their SSD drives. What is the MOST likely cause of the slow performance?

The designers are storing media files on the SSD drive.

What happens in Windows when physical RAM is being used to its full capacity and a user runs a new application?

The kernel moves the data from an app not currently being accessed from RAM to a paging file.

For several years, your laptop's monitor has worked perfectly. However, shortly after turning on your laptop today, you notice that the dimness has increased on the screen. Which of the following is the MOST likely cause?

The monitor's inverter has gone bad. The power adapter was accidently unplugged.

You are updating the operating system on your iPad. Your iPad is connected to your computer, and you are using iTunes to install the update. Which of the following BEST describes what would happen to your iPad if you disconnect it before the operating system update is complete?

The operating system could become corrupted.

Which of the following are common digital audio file types?

WAV, AIFF, and WMA

Peer-to-peer

a network resource sharing model that uses access control lists saved on each computer

intranet

a private network that uses internet technologies. Services on an intranet are only available to hosts that are connected to the private network.

Hypervisor

a thin layer of software that resides between the virtual operating system and the hardware. A hypervisor allows virtual machines to interact with the hardware without going through the host operating system.

hypervisor

a thin layer of software that resides between the virtual operating system(s) and the hardware.

public cloud

computing resources such as platforms, applications, and storage are made available to the general public by a cloud service provider.

docking station

designed to let you use a notebook system as a desktop system by making it possible to connect a normal-sized external mouse, keyboard, monitor, and speakers?

OLED

displays use light-emitting diodes and works without a backlight. OLED provides better picture quality and consumes less power than plasma, CRT, or LCD monitors.

Passive heat sinks

do not have a fan and instead rely on increased surface area and passive air movement to cool the component. Because they do not use a fan, passive heat sinks are 100% reliable.

SSL, or Secure Sockets Layer

encrypt emails on a mobile device.

A customer would like you to install a high-end video card suitable for gaming. Which of the following should the installation and configuration include?

ensure that the video card is compatible with the expansion slot the video card will be installed in. In addition, you should configure the PC to use the integrated graphics and install and update the video drivers from the included CD.

PCIe

expansion buses uses a point-to-point dedicated connection and provides a serial full-duplex method of transmission

Google Cloud, Amazon Web Services, and Microsoft Azure are some of the most widely used cloud storage solutions for enterprises. Which of the following factors prompt companies to take advantage of cloud storage?

growing demand for storage and the desire to bring costs down

Bluetooth

has a high transfer rate and because it automatically detects other Bluetooth devices in the area and creates an encrypted PAN between them.

RGB-LED displays

have an array of special LEDs that are able to emit red- green-and blue light- resulting in superior color accuracy.

disk thrashing

include applications loading slowly when switching between them, applications running slowly, and the hard disk drive light staying constantly lit.

proxy server

internet appliances filters specific internet content categories and also keeps internal users anonymous?

Multiprocessing

is the ability to use multiple processing devices.

Electrostatic discharge

is the only listed factor that can cause a CPU to fail prematurely

Mini-ITX

motherboards are designed for low-power, small, form factor computers.

private cloud

provides resources to a single organization. The cloud service provider ensures that the organization's data is kept separate and secure from any other organization using the same service provider.

CMOS battery

supplies power to the CMOS to keep the real-time clock running.

You are troubleshooting a malfunctioning laptop computer. Nothing appears on the LCD display when the system is powered on. When you connect an external monitor to the system, the Windows desktop is displayed on the monitor properly. Which of the following is MOST likely causing this problem?

the problem could be a malfunctioning LCD assembly, or it could be due to the display output being redirected to the external monitor port using an fn key.