Infrastructure

A technician is upgrading a desktop computer's memory. Which component would the technician most likely replace to improve system performance using dual-channel architecture?

A company issues smartphones to employees and needs to enforce security policies such as remote wipe and mandatory encryption. Which technology should the IT department implement?

A network administrator is setting up a small office network with 20 computers. The network must be easy to troubleshoot and resilient to a single cable failure affecting only one device. Which topology is most appropriate?

A user's laptop has a SATA SSD, and they want to upgrade to a faster storage solution. Which interface technology would provide the most significant performance improvement?

Which device converts the signal from an ISP (e.g., cable or fiber) into a digital signal that a home network can use?

Which printer technology is most suitable for printing high-volume black-and-white text documents in an office environment due to its lower cost per page?

A technician needs to install a wireless network in a large warehouse. The goal is to minimize interference and support many devices. Which frequency band is best for this scenario?

An organization needs to run multiple operating systems on a single physical server to isolate development environments. Which virtualization technology should they use?

Which of the following is an example of a PAN (Personal Area Network) technology?

A user connects to a website using its domain name. Which server translates that domain name into an IP address?

A small business is setting up a LAN. Which TWO of the following are characteristics of a LAN?

A user wants to purchase a new monitor for gaming. Which THREE specifications are most important for a smooth gaming experience?

A company is planning to deploy tablets for field sales representatives. Which TWO mobile device features would be most useful for navigation and contactless payments?

A user wants to upgrade their laptop's storage to improve boot times and file transfer speeds. The laptop has an available M.2 slot. Which type of drive should the user choose?

A company is setting up a new office and needs to connect multiple computers within the same building to share files and printers. Which type of network should they implement?

An IT administrator needs to deploy a new application to 50 company-owned smartphones. The devices are managed by a central console that can enforce policies, install apps, and wipe data remotely. Which technology is being used?

A user wants to connect a modern monitor to their laptop using a single cable that can carry both video and audio signals. Which port on the laptop should they use?

A small business needs a printer that can produce high-quality color documents quickly and at a low cost per page. Which type of printer is most suitable?

A network technician is troubleshooting a slow wireless connection in a crowded office. The office uses many Wi-Fi networks and devices. Which Wi-Fi standard would be best to minimize interference and provide faster speeds?

A user wants to connect a Bluetooth keyboard to a tablet. What is the first step the user must perform to establish the connection?

Which of the following is used to translate human-readable domain names (like www.example.com) into IP addresses that computers use to identify each other on the network?

A technician is setting up a virtual machine on a laptop running Windows 10. The technician installs VirtualBox and creates a Linux VM. Which type of hypervisor is VirtualBox?

A company wants to ensure that its corporate data is secure if a mobile device is lost. The IT department needs to remotely wipe the device and enforce a passcode policy. Which technology should be implemented?

A user reports that their laptop's Wi-Fi connection is slow and frequently drops when they are in the living room, but works fine in the office near the router. The router supports both 2.4GHz and 5GHz bands. Which band should the user connect to for better performance in the living room?

An IT technician is configuring a new server and needs to allocate virtual resources to a VM. Which THREE of the following are virtual resources that can be allocated to a VM? (Choose THREE.)

Which of the following RAM types is the fastest and most recent?

A technician is selecting a storage interface for a new solid-state drive that offers the fastest data transfer speeds. Which interface should they choose?

A user wants to connect a high-resolution 4K monitor to their desktop computer for gaming at 144Hz. Which port should they use to ensure the best performance?

A company needs to manage and secure a fleet of employee smartphones used for work. Which technology should they implement?

A user's home wireless network is experiencing interference. Which frequency band is more prone to interference from devices like microwaves and cordless phones?

Which wireless standard is commonly known as Wi-Fi 5 and operates on the 5 GHz band?

A technician is setting up a virtualized environment on a laptop to run multiple operating systems for testing. Which type of hypervisor is most appropriate?

A company wants to implement a private network for devices within a single building. Which type of network should they use?

A user wants to sync their contacts and calendar between their Android phone and tablet. Which method is most commonly used?

Which device converts the signal from an ISP into a digital signal that a computer can use?

Which of the following is an input device?

A network administrator is designing a new office network. Which THREE factors should be considered when choosing between 2.4 GHz and 5 GHz Wi-Fi bands?

Which of the following storage interfaces provides the fastest data transfer speeds?

A user wants to upgrade their desktop computer's RAM for better performance. The motherboard supports dual-channel memory. Which configuration will provide the best performance?

A technician is troubleshooting a network connectivity issue on a laptop. The laptop connects to the company's wireless network but cannot access the internet. The technician checks the IP configuration and sees an IP address of 169.254.1.5. What is the most likely cause?

Which of the following Wi-Fi standards operates on the 5 GHz band and provides the fastest theoretical speeds?

A small office has five computers that need to share files and a printer. Which type of network should be set up?

A user reports that their smartphone battery drains quickly and the device feels warm. The user recently installed several apps. Which built-in smartphone feature can help identify the cause?

An IT administrator needs to deploy a virtual machine (VM) on a server that will host multiple operating systems. The administrator wants the VM to have dedicated resources and minimal overhead. Which type of hypervisor should be installed on the server?

Which of the following is an example of an output device?

A company wants to manage and secure employee smartphones used for work. Which technology should they implement?

A user has a desktop computer with a SATA SSD and wants to upgrade to an NVMe M.2 SSD. The motherboard has an M.2 slot. What must the user verify before purchasing the NVMe drive?

Which of the following is the primary function of a router in a home network?

A company is deploying new laptops for employees. The IT department requires that the laptops have fast storage, support for external 4K monitors, and the ability to connect to a wireless network. Which THREE of the following should be included?

A user wants to upgrade their desktop computer's storage for faster boot times. Which of the following storage interfaces would provide the fastest performance?

A company wants to deploy a new wireless network in its office. The network must support high device density and minimize interference from neighboring networks. Which Wi-Fi standard and frequency band combination is most suitable?

An IT technician is setting up a virtualized server environment. The server will host multiple virtual machines for different departments. Which type of hypervisor should the technician install directly on the server hardware to maximize performance and resource efficiency?

A user is trying to connect a laptop to a high-definition monitor that supports 4K resolution at 60Hz. Which of the following ports on the laptop will support this video output?

A small office has a network with all devices connected to a central switch. If one device fails, only that device is affected and the rest of the network continues to function. Which network topology does this describe?

A technician is troubleshooting a network connectivity issue. The user can access local network resources but cannot browse the internet. The technician suspects a DNS problem. Which of the following is the primary function of DNS?

An office printer frequently jams and produces poor-quality color prints. The office manager decides to replace it with a printer that is faster and more cost-effective for high-volume black-and-white text documents. Which type of printer is most appropriate?

A user wants to synchronize contacts, calendars, and photos between their Android smartphone and tablet. Which of the following methods would best accomplish this?

An organization issues smartphones to employees and needs to enforce security policies such as remote wipe and mandatory encryption. Which technology should be used to manage these devices centrally?

A user needs to connect a wireless keyboard and mouse to a desktop computer. Which of the following technologies is most commonly used for this purpose?

A gaming enthusiast is building a new PC. They want to install a dedicated graphics card, a network interface card, and a sound card. Which type of expansion slot on the motherboard should these cards be inserted into?

A user needs to print a large number of color brochures with high-quality images. Which type of printer would produce the best color output for this task?

A company is setting up a new branch office. The network administrator needs to choose a wireless standard and a frequency band. Which TWO of the following options would provide the fastest speeds and least interference? (Select TWO.)

An IT administrator is configuring a virtualized environment on a single server. The administrator needs to allocate resources to multiple virtual machines. Which THREE of the following are resources that can be allocated to a VM? (Select THREE.)

A user is troubleshooting a slow internet connection and has verified that the modem is working. The user suspects that the router is causing the issue. Which TWO of the following functions are typically performed by a home router? (Select TWO.)

A user wants to upgrade their desktop computer to faster storage. Which of the following storage interfaces provides the highest data transfer speeds?

A technician is configuring a new workstation for video editing. Which of the following expansion cards would be MOST beneficial for improving video rendering performance?

A user wants to connect an external monitor to their laptop. The monitor supports a resolution of 3840x2160 at 60Hz. Which of the following ports on the laptop would be BEST suited for this display?

Which of the following types of networks covers the largest geographical area?

A small business office has a network where each device is connected to a central switch. If the switch fails, all devices lose connectivity. Which network topology does this describe?

A user is experiencing slow Wi-Fi performance at home. The router supports both 2.4GHz and 5GHz bands. Which frequency band would provide faster speeds but shorter range?

A company wants to deploy a new wireless standard that offers higher throughput and better performance in dense environments. Which Wi-Fi standard should they choose?

A technician is setting up a server that will host multiple virtual machines. Which type of hypervisor runs directly on the physical hardware without an underlying operating system?

A user wants to synchronize contacts and calendar events between their Android smartphone and tablet. Which service is MOST likely used for this synchronization?

Which network device converts the signal from an Internet Service Provider (ISP) into a digital signal that a home network can use?

A company's IT policy requires that all corporate smartphones be remotely wiped if lost. Which technology enables this capability?

An office manager needs to replace a printer that will primarily print text documents and has a high monthly page volume. Which type of printer would be MOST cost-effective?

A technician is troubleshooting a network issue and needs to identify the IP address of a device. Which of the following are private IPv4 addresses? (Select TWO).

A user wants to upgrade their computer's RAM for better performance. Which of the following are characteristics of DDR4 and DDR5 RAM? (Select THREE).

A technician is installing RAM in a desktop computer. The motherboard supports dual-channel memory. Which memory configuration will provide the BEST performance?

A user wants to connect an external storage drive to a laptop for fast file transfers. The laptop has USB-A, USB-C, and Thunderbolt 3 ports. Which connection provides the fastest theoretical data transfer speed?

A small office has 15 computers that need to be connected to share files and a printer. Which type of network is most appropriate for this local setup?

An IT administrator is setting up a virtualization server to run multiple operating systems. The server will host critical business applications and requires maximum performance and reliability. Which type of hypervisor should the administrator choose?

A network technician is troubleshooting intermittent Wi-Fi dropouts in a crowded office building. The office uses 2.4 GHz and 5 GHz dual-band access points. Users report better range but more interference on one band. Which frequency band is likely experiencing more interference?

A user wants to upgrade their desktop's storage from a traditional hard drive to a faster drive that connects directly to the motherboard without cables. Which storage interface should they choose?

A user is setting up a new wireless router at home. During configuration, they see options for Wi-Fi 5 (802.11ac) and Wi-Fi 6 (802.11ax). Which standard offers faster speeds and better performance in congested environments?

A company is deploying mobile devices for its sales team. The devices need to access corporate email and calendars securely. Which THREE features are most important for managing these devices centrally?

A user wants to synchronize files across multiple devices, including an iPhone, a Windows laptop, and an Android tablet. Which TWO cloud services would be most effective for this cross-platform syncing?

A small business owner needs to connect three desktop computers, a network laser printer, and a broadband router in a single office. The budget is tight, and the owner wants the simplest possible wired setup that allows all devices to communicate on the same local network. Which of the following should the owner install?

A technician is building a virtualization host that will run multiple virtual machines simultaneously. The host needs to support hardware-assisted virtualization and provide the best performance for VMs that require direct access to peripheral devices. Which of the following CPU features should the technician verify is enabled in the BIOS/UEFI?

A user complains that their laptop's built-in display is very dim and difficult to read, even when the brightness is set to maximum. The laptop is five years old and has never had any hardware replaced. Which component is most likely failing?

A home user wants to add a second monitor to a desktop PC that already uses its HDMI port for the primary display. The PC has a free DisplayPort connector on the graphics card. Which cable should the user connect from the new monitor to the PC?

A user reports that their desktop computer takes a long time to start up and frequently freezes. A technician suspects the storage drive is failing. Which of the following steps should the technician take FIRST to diagnose the issue?

A home user has a laptop with an integrated webcam that no longer works after a recent driver update. The user needs a quick, low-cost replacement for video calls. Which of the following should the technician recommend?

A small business wants to set up a network where employees can share files and a printer without a dedicated server. The budget is limited, and the network should be easy to set up. Which type of network model is most appropriate?

A small business wants to centralize data storage so that employees on both Windows and macOS systems can access shared files with permissions. The company has a limited budget and wants to avoid recurring cloud subscription fees. Which of the following should the technician implement?

A technician is configuring a laptop for a user who frequently travels and needs to connect to both wired and wireless networks. The laptop has an RJ45 port and supports Wi-Fi 6. Which statement accurately describes the role of the network interface card (NIC) in this scenario?

A technician is troubleshooting a desktop computer that powers on but does not display any video. The monitor works when connected to another computer. Which TWO of the following are the most likely causes to check first? (Choose two.)

A technician is connecting a desktop PC directly to a cable modem to provide internet access. The PC needs to receive a public IP address automatically from the ISP. Which protocol should the technician ensure is enabled on the PC's network adapter?

A user reports that their desktop computer will not power on at all. No lights appear, and no fans spin. The power cable is securely connected to the wall outlet and the power supply. Which component should the technician check first?

A technician needs to connect a new desktop computer to a wired network in an office where the wall jack is active and the network uses DHCP. The computer has an integrated RJ45 port. Which of the following should the technician do to enable network connectivity?

A small business owner wants to print multi-part carbon-copy invoices on continuous form paper in a warehouse environment where dust is common. Which printer type is most appropriate?

A user reports that their desktop computer powers on, the fans spin, but the monitor shows no signal and there are no beep codes. A technician notices the monitor's cable is connected to a port on the motherboard, but the computer has a dedicated graphics card installed. Which of the following is the MOST likely explanation?

A small design studio needs a central device so five wired workstations and two networked printers can exchange data with each other on the same local network. The studio does not need any routing between separate networks. Which device is the best choice?

A technician is assembling a desktop PC for a video editor. The editor frequently transfers large project files to and from external drives and wants the fastest currently available consumer interface. Which interface should the technician prioritize on the motherboard?

A technician is setting up a new laptop for a traveling salesperson. The laptop must have a built-in cellular modem so the user can access the internet without relying on Wi-Fi hotspots or tethering to a phone. Which internal expansion slot is specifically designed to accept a cellular modem module in a modern laptop?

A technician is troubleshooting a desktop PC that powers on but produces no video and emits a repeating beep pattern. The motherboard has an integrated speaker and no POST card is available. Which component should the technician check first?

A small business wants to connect its office computers to a network that provides centralized authentication, file sharing, and printer sharing without relying on a cloud service. The owner wants to minimize recurring costs and keep data on-site. Which of the following should the technician implement?

A user reports that a laptop battery no longer holds a charge and the laptop shuts down immediately when unplugged. The laptop is several years old and the user wants to keep using it. Which of the following is the most appropriate replacement component?

A small business has a single server that hosts a customer database. The owner wants to ensure the database remains available if the server's primary power supply fails. Which component should the technician install to meet this need?

A user reports that their laptop display looks extremely dim even though the image is visible and the operating system is running normally. The screen becomes readable when a flashlight is aimed at it. Which component has most likely failed?

A user complains that their laptop battery drains rapidly even while plugged into a docking station that supports USB Power Delivery. The dock is connected with a cable that fits the USB-C port. Which of the following is the MOST likely cause?

A small business wants to connect its office to a fiber internet service. The ISP provides an optical network terminal (ONT) that converts the fiber signal to Ethernet. The business needs a device that will route traffic between the internal LAN and the ISP, perform NAT, and provide DHCP to internal clients. Which device should the technician install between the ONT and the LAN switch?

A network administrator is documenting the physical topology of a new office. The design uses a central switch with a dedicated cable to every desk, and the administrator wants to describe the strengths of this layout. Which TWO characteristics accurately describe this topology? (Choose two.)

A network administrator is configuring a small office network with 20 computers. The network must be easy to troubleshoot and resilient to a single cable failure. Which topology should the administrator implement?

A company is virtualizing several physical servers onto one host. The administrator wants to isolate each virtual machine so that a crash or resource spike in one does not affect the others, while still sharing the physical CPU and memory. Which technology should the administrator rely on?

A technician is troubleshooting a laptop that randomly shuts down during use and feels very hot near the vents. The technician suspects a thermal issue. Which TWO of the following actions are MOST appropriate to resolve the problem? (Choose two.)

A technician must install an internal storage drive in a desktop that will hold the operating system and needs the fastest practical boot performance. The motherboard supports NVMe and has an available M.2 slot wired for PCIe. Which drive should the technician select?

A technician is deploying a new desktop PC that must run several virtual machines for software testing. The PC has 32 GB of RAM and a processor with virtualization extensions. Which of the following must be enabled in the system firmware to allow the hypervisor to function?

A technician is setting up a brand-new all-in-one desktop for a home user. The user wants to connect to the internet using the existing home router without running any cables. Which built-in capability should the technician verify is working?

A technician must install an operating system on a workstation that will run a virtual machine with direct access to a graphics card for CAD rendering. The physical CPU and motherboard support the required feature. Which setting must be enabled in the UEFI/BIOS for the virtual machine to use the GPU directly?

A user wants to connect a new external monitor to a laptop that has only USB-C ports. The monitor supports HDMI and DisplayPort inputs. The user needs to drive the monitor at its native resolution and also charge the laptop through the same connection. Which of the following should the technician recommend?

A user reports that their desktop computer will not power on. The technician confirms the wall outlet works, the power supply switch is set to the correct voltage, and the power button cable is connected to the motherboard. When the technician presses the power button, no fans spin and no lights illuminate. Which component should the technician test next to determine whether the power supply is functioning?

A technician is preparing a desktop workstation for a user who needs to run several virtual machines locally for software testing. The host must have enough resources to keep the virtual machines responsive while the desktop remains usable. Which TWO hardware upgrades would most directly support this workload? (Choose two.)

A small business is replacing its aging wired network with a wireless solution for 25 employees. The owner wants to reduce cabling costs while still supporting file sharing and printing. Which TWO of the following are benefits of implementing a wireless network in this scenario? (Choose two.)

A user reports that their laptop battery drains quickly even when the device is plugged into a wall outlet. The technician notices the charging LED is off and the battery percentage slowly decreases. Which component is most likely faulty?

A technician is setting up a new wireless router for a home office. The user wants to ensure that devices can connect using the latest standard for better speed and reduced interference. Which wireless standard should the technician configure the router to use?

A technician is troubleshooting a workstation that randomly loses its connection to a file server. The workstation's IP address is 169.254.10.25, and it cannot reach the default gateway. The switch port shows link and activity lights. Which of the following is the MOST likely cause?