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You have an older computer that has four DDR2 memory slots. Currently, there are two 512-MB memory modules installed. You check the motherboard documentation and find that the system has a 4-GB memory limitation. You want to add more memory to this system. What is the maximum total amount of usable RAM you can have in this system by adding new memory modules (and without replacing the existing memory modules)?

3 GB

Which of the following wireless networking standards uses a frequency of 5 GHz and supports data transmission speeds up to 2.6 Gbps?

802.11ac

You have been contacted by OsCorp to recommend a wireless internet solution. The wireless strategy must support a transmission range of 150 feet, use a frequency range of 2.4 GHz, and provide the highest possible transmission speeds. Which of the following wireless solutions should you recommend?

802.11g

You are designing a wireless network for a client. Your client needs the network to support a data rate of at least 150 Mbps. In addition, the client already has a wireless telephone system installed that operates 2.4 GHz. Which 802.11 standard works BEST in this situation?

802.11n

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).

A sales person typically carries a laptop computer to several off-site customer meetings each day, but needs the flexibility to quickly attach other peripherals and charge the laptop battery while at their office desk. Which of the following laptop feature BEST meets these requirements?

A laptop docking station

Ida, one of the employees in the sales department, needs a way to display her PowerPoint sales presentation to a large group of potential customers. She has asked you to set up the conference room in preparation for her presentation. You will need to purchase a display system for the conference room. Which of the following display systems would be the BEST to purchase?

A large screen and a projector

Joe, a frequent visitor to a branch office, attempts to connect his tablet to the office wireless network, but is unable to connect to the internet, even though he has verified that the SSID and password are correct. Joe attempts to connect to a coworker's hotspot, but is still unable to connect to the internet. Which of the following is the MOST likely cause of this issue?

Airplane Mode has been set on his tablet.

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. Which of the following is the MOST common condition that explains these symptoms?v

An accumulation of dust has gradually built up.

Which Blu-ray standard defines rewritable discs?

BD-RE

Where should you apply the thermal paste when installing a processor?

Between the heat sink and CPU

A user has configured their mobile device to unlock with facial recognition. Which of the following methods for securing the mobile device is being used?

Biometric authentication

Lately, your laptop shuts down before it reaches the 5% set in your Windows Power Scheme. You suspect that the power meter is incorrectly reporting the battery power level. You want to calibrate the battery to synchronize the power meter to the actual battery charge capacity. However, the laptop system does not include a calibration tool. You decide to perform a manual calibration. Which of the following is the first step you need to take when manually calibrating the battery?

Charge the battery to 100%.

A customer complains that a recently purchased monitor no longer displays a picture. You verify that the monitor is powered on and that the video cable is securely fastened to the video port. Which of the following actions is the BEST to take next?

Check the brightness and contrast settings using the monitor's controls.

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've just purchased 10 new notebook computers for your users. You are concerned that users will leave the notebooks on for long periods of time, which could result in display burn-in. What should you do to prevent this from happening?

Configure a screen saver on each computer.

You want to configure your computer so that a password is required before the operating system will load. What should you do?

Configure a user password in the BIOS/UEFI.

Which of the following is the surest way to prevent the loss of important information on your mobile device if it is lost, stolen, destroyed, or there is a natural disaster?

Configure your device to remotely back up important data to the cloud.

You are running Windows 10 on your computer. You want to decrease the time it takes to write data to your drives. To do this, you have decided to create a Windows software RAID system using a striped volume. Before you create the striped volume, which action MUST you take?

Convert basic disks to dynamic disks.

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.

As a network engineer, you have been creating patch (straight-through) cables for a network switch. You have plugged in all the cables and are testing data transmission through the cables. You notice that the data transmission is not functioning properly in some of the cables, and you are sure that one of the cables is interfering with the transmission at the near end. What is this type of interference called?

Cross-talk interference

You suspect that the power supply in your desktop PC is failing. You want to use a multimeter to test the power supply. Which multimeter setting should you use?

DC volts

Your employer wants a system that guarantees that all components will work together with minimal configuration and setup. Time is of the essence in getting this new system ready. Which of the following would BEST meet your employer's needs?

DCS

You are in charge of putting together the display design for a new conference center at your organization. The conference center will be in a large auditorium with 500 or more seats. Which of the following technologies will provide a large display for such a group and also provide very high resolutions?

DLP projector

You want to implement name resolution on the Linux workstations in your company. Which protocol should you use to do this?

DNS

Which of the following BEST describes a community cloud implementation?

Designed to be shared by several organizations.

What are the benefits of installing integration services (IS) on a Hyper-V Windows virtual machine? (Select two.)

Dramatically improves performance by installing Hyper-V aware drivers, Lets you cut and paste between the virtual machine and host.

As an IT technician, you are aware of data privacy issues when sharing or using public devices. Which of the following is the BEST advice for making it difficult for anyone to gain access to your information?

Enable login notifications or approvals for your services and accounts.

Rachel, an employee in the support department, wants to run a virtual machine on her computer to troubleshoot customer issues. Which of the following must she complete before virtualization will work on her computer?

Enable virtualization support in the BIOS settings.

Which of the following keeps track of various network devices while ensuring that the software is secure?

Endpoint management server

You recently purchased a digital HD antenna to connect to your television. Which of the following is the type of coaxial cable connector you need to make the connection?

F-type

Which of the following is a valid IPv6 address?

FEC0::AB:9007

Lately, you hear a clicking noise when reading or writing data from the hard disk. What is the MOST likely cause of the clicking?

Failing hard drive

You are configuring an ADSL connection. Which of the following will be part of the configuration?

Filters or splitters

You have been using the same computer for several years. To improve performance, you decide to upgrade the processor. You check the motherboard documentation and purchase the fastest processor that is supported by the motherboard. However, when you try to start the computer, it beeps regularly, and nothing is displayed on the screen. Which of the following actions will MOST likely resolve this issue? (Select two.)

Flash the UEFI firmware, Reinstall the old processor in the motherboard.

As a network administrator for your company, you want to set up a network device that manages traffic leaving and entering your network from the outside. Which of the following would BEST meet your requirements?

Forward proxy server

What is another name for virtual machines?

Guest operating systems

The CEO of your small company has asked you to connect his laptop computer to the small conference room LED TV. The CEO will be showing a new promotional video that demonstrates the new company strategy through images and sound. Which of the following cable types would work BEST for connecting his laptop to the display?

HDMI

Which of the following video card connectors provides digital video output? (Select two.)

HDMI, DVI-D

Which storage device uses aluminum platters for storing data?

Hard disk

Which of the following is a disadvantage of using a UTM?

Has a single point of failure.

You are assisting an employee with rebooting a frozen laptop that does not respond to keystrokes or mouse clicks. Which of the following is the SIMPLEST way to power down the laptop?

Hold down the power button for several seconds.

Which of the following UTM appliances monitors all network traffic and blocks malicious traffic while notifying the network security team?

IPS

Why is it important to have your mobile device charger plugged in while it is receiving an operating system update?

If the battery dies during the update, the operating system could become corrupted.

A local dentist has contracted with you to implement a network in her new office. Because of security concerns related to patient privacy laws, she has asked that the new network meet the following criteria and be cost effective: No one from the internet should be able to access her internal network. Email messages should be scanned for spam, phishing attacks, and malware before they reach users' workstations. Employees access to non-work-related websites, especially sites that contain inappropriate content, should be blocked. A system should be put in place to detect and prevent external attacks on her network. Which of the following would BEST meet your client's criteria?

Implement an all-in-one UTM security appliance.

Which of the following LCD display technologies is the BEST choice for use on touchscreen displays?

In-plane switching (IPS)

One of your customers has a long range wireless network that connects two company office buildings together. The buildings are several hundred yards apart. You have licensed a frequency range of 3.65 GHz to transmit signals between the buildings. However, the wireless connection is not performing ideally, and it sometimes drops connections. Which of the following is the BEST immediate solution to try to resolve this issue?

Increase the power to the access points.

You have installed a new computer with a quad-core 64-bit processor, 6 GB of memory, and a PCIe video card with 512 MB of memory. After installing the operating system, you see less than 4 GB of memory showing as available in Windows. Which of the following actions would MOST likely correct this issue?

Install a 64-bit version of the operating system.

You notice that your applications are loading and running slowly when you switch between them. You also notice that your hard disk drive light is constantly lit. Which of the following is the BEST option to stop this problem from happening frequently on your system?

Install more physical RAM.

Which of the following BEST describes how a switch functions?

It connects multiple cable segments or hosts and forwards data packets to the appropriate host.

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.

You are a system administrator for a financial institution. Most of your employees work at home and have various work environments. One of your account managers is complaining that customer data is disappearing from her account management application. She insists that she saves data regularly and has not had a problem until recently. Her workstation has both a solid-state drive (SSD) and a traditional hard drive. She runs the application from the SSD drive, but stores the customer data on the hard drive. She has recently moved her desk to a room in her house that is used for entertainment. The room has a sound system with several installed speakers for surround sound. Which of the following types of interference might be causing the issue with disappearing customer data?

Magnetic Fields

After installing two memory modules, you power on the system to check for errors. You find that the BIOS program recognizes only one of the memory modules. Which of the following is BEST to try first when troubleshooting this issue?

Make sure that both modules are seated properly in their slots.

An employee complains that their LCD notebook display has started to go dim intermittently. You suspect the backlight might need to be replaced, but you want verify that the backlight is failing before you replace it. You have already checked the power adapter cord to make sure it is plugged in securely. Which of the following would be BEST to check next before replacing the backlight?

Make sure that the dimming isn't being caused by a power saving method that has been configured to conserve notebook power.

You're trying to connect a new USB device to your computer. You install the driver and then connect the device to an open USB port. The device does not work. Which of the following troubleshooting steps is the BEST to try first?

Make sure the USB device is plugged in properly.

You have just installed an SSD drive in your older Windows workstation. However, after you start Windows, you do not see the SSD drive listed in Windows Explorer. What should you do FIRST?

Make sure the power connectors on the SSD drive are plugged in all the way.

As an IT technician, you are often asked to work on laptop computers that included internal wireless network cards. Which of the following is the MOST commonly used type of card for these internal wireless adapters?

Mini-PCI

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

Which of the following form factors does not have expansion slots on the motherboard, but instead uses a riser card for expansion cards?

NLX

Which of the following locations will contribute the greatest amount of interference to a wireless access point? (Select two.)

Near backup generators and cordless phones

Which of the following is the generally accepted rule for manually setting the initial and maximum paging file size?

One and a half times the size of the physical RAM for the initial size and three times for the maximum size.

Which of the following expansion buses is most commonly used for devices such as sound cards, modems, and network cards?

PCI

A user reports that her system is running slowly when saving files. You determine that you'll need to upgrade her hard disk. You identify the components that are required and schedule the repair for later that afternoon. Which of the following steps have you forgotten in your troubleshooting process?

Perform a backup.

Which pin on the power supply connector connects to the power good wire on the motherboard in order to indicate an appropriate action for the motherboard if the power disappears, quickly reappears, or does not appear at all?

Pin 8

Which component in a laser printer prepares the photosensitive drum for writing by causing the drum to receive a negative electrostatic charge?

Primary corona

Which computer function takes data through a series of procedures as defined by a set of instructions?

Processing

Which of the following internet appliances filters specific internet content categories and also keeps internal users anonymous?

Proxy server

You have recently purchased a gaming laptop and want to make sure that it is properly ventilated to avoid overheating. Which of the following is the BEST way to avoid overheating the laptop (especially when gaming for hours)?

Purchase a special laptop cooling base.

Which of the following drive configurations uses striping with parity for fault tolerance?

RAID 5

Which kind of connector do you use to connect a modem to a standard telephone line?

RJ-11

You are building a new computer that will contain two hard disks. To provide increased performance, you have decided to configure the drives using RAID technology. Which of the following will BEST meet your needs?

Raid 0

You are troubleshooting a laptop system that uses a digitizer pad and stylus for user input. The user has complained that tapping the stylus on the digitizer pad taps about one inch to the right of where the taps actually occur. Which of the following actions would MOST likely fix this issue?

Recalibrate the digitizer pad.

You recently replaced a malfunctioning video card on your laptop. After you reassemble the laptop, everything works well except for the wireless network connection. The wireless adapter functioned correctly before you replaced the video card. Which action can MOST likely resolve this problem?

Reconnect the antenna connections.

You are a computer technician. A user reports that an older laptop is having trouble connecting with newer wireless networks. Which of the following actions should you consider as an alternative to replacing the laptop?

Replace the internal wireless card.

Which of the following DHCP scope options will assign a static IP configuration to a device using the device's MAC address?

Reservation

Which of the following is the feed assembly on a thermal printer that is used to move the paper through the printer?

Rubber platen

A technician is tasked with adding a valid certificate to a mobile device so that encrypted emails can be opened. Which of the following email protocols is best for the technician to use?

S/MIME

vWhile 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 recently upgraded a client's older workstation to Windows 11. The client has called to complain that the interface is very slow. For example, after clicking on the Start button, the Start menu slowly appears on the screen. Which of the following will MOST likely fix this problem without requiring a hardware upgrade?

Set the visual effects for best performance.

Which of the following is the FIRST thing you should do if your laptop battery appears swollen or feels hot?

Shut off the laptop and unplug it.

Which key advantages do containers have over virtual machines? (Select two.)

Smaller size and may only require a few megabytes, Faster start times for containerized applications

Which of the following LAN devices receives a signal on one port and forwards that signal only to the port where the destination device is connected?

Switch

Which of the following BEST describes the overall purpose of virtualization?

The ability to install and run multiple operating systems on a single physical machine.

Which of the following describes the part of the IPv6 address that identifies the subnet address?

The last quartet in the IPv6 address prefix.

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? (Select two.)

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

Oliver, a user in your company, is using an Inkjet printer. After using this printer for several months, he notices that streaks are beginning to appear on his printed pages. Oliver has asked you to fix this issue. Which of the following is MOST likely causing Oliver's printer to malfunction?

The printer's heads are out of position and need to be aligned.

You need to trace the route that a Cat 6 UTP cable takes through the ceiling and walls of your building. Which tool should you use?

Tone generator

A maintenance worker accidently nicks a bundle of network cables routed to multiple wall jacks in a conference room. Only one of the cable's wires are severed. A technician is tasked with replacing the cable. Which of the following tools would the technician MOST likely use to identify which wall jack connects to the severed cable?

Tone generator and probe

You want to create a virtualization environment that runs directly on the host machine's hardware to manage the virtual machines. Which of the following virtualization types should you use?

Type 1 hypervisor

Which of the following is an inherent vulnerability of embedded devices?

Unknown environments

You have just installed a new CPU in your workstation along with a CPU heat sink and fan. Which of the following should you do next as a best practice?

Update the BIOS after installing the processor.

In preparation to use your laptop on an airplane as you travel to a conference, you disconnected the external USB mouse. However, you notice that the cursor drifts consistently to the left side of the screen while using the built-in trackpad and mouse buttons on the notebook. Which of the following actions will MOST likely stop the mouse from drifting?

Update the trackpad drivers.

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

You work in the computer repair department of a large retail outlet. A customer comes in with a workstation that randomly shuts down. You suspect that the power supply is failing. What should you do first to troubleshoot the issue?

Use a known good spare to swap with the existing power supply.

You are building a new computer from both new and used parts. The video card is a PCIe video card that requires an 8-pin power connector. However, your power supply does not have an 8-pin PCIe power connector. Which of the following solutions would be the least expensive option for your system?

Use an adapter cable to connect two 4-pin Molex connectors to the 8-pin PCIe connector.

For the past several days, print jobs from your Inkjet printer have been missing colors and leaving gaps. Which of the following will MOST likely resolve the problem?

Use an automatic printhead cleaning feature.

As the network engineer for a large financial institution, you have been given the responsibility to provide a new financial desktop to the financial advisors in all company branch offices. The requirements for the software desktop include: It must be a virtualization solution. It must be hosted in the cloud by a third party. It must run on a tablet. Which of the following virtualization types BEST meets your desktop software requirements?

VDI

Where do you install the heat sink and fan once you insert the CPU into the motherboard socket?

You install both on top of the CPU.

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.

An employee claims that they are unable to connect to the internet and has called the company's help desk for a solution. Having been assigned to this issue, you decide to first test whether or not TCP/IP is working correctly on the local computer. Which of the following is the BEST command to use for this test?

ping 127.0.0.1