220-1201 Exam Questions and Answers

A customer brings in a smartphone with a broken charging port. They want the port replaced. During disassembly, the technician finds that the charging port is soldered directly to the main board. Which tool is essential for this repair?

A technician is upgrading the RAM in a laptop. After installing two new 8GB sticks, the laptop fails to boot and emits a series of beeps. What is the most likely cause?

A customer reports that their laptop's touchpad is unresponsive after they spilled a small amount of liquid on the keyboard. The laptop still powers on and the keyboard works. What is the most likely issue?

A technician is replacing a cracked screen on a smartphone. After removing the old screen, they notice a small, flat, rectangular component with a metal shield is loose near the battery connector. What should they do?

A technician is installing a new SSD into a customer's laptop. After removing the bottom cover, they see the existing hard drive is held in place by a metal bracket and a single screw. What is the correct next step?

A user reports that their laptop's keyboard types random characters when certain keys are pressed. The laptop has not been dropped or spilled on. What is the most likely hardware issue?

A company deploys tablets for field workers to capture signatures on glass screens using a capacitive stylus. Several workers complain that the stylus does not register consistently. What is the most likely cause?

A technician is configuring a conference room where a laptop must wirelessly display its screen to a 4K projector without using any cables. The projector supports Miracast. What must the technician verify on the laptop?

A user's Android phone will not charge when plugged into a car's USB port, but charges fine with a wall adapter. The car's USB port powers other devices. What is the most likely issue?

A user reports that their new Bluetooth headset pairs with their smartphone but no audio is heard during calls. The headset works fine with another phone. What is the most likely cause?

A user wants to connect their laptop to a 4K external monitor using a USB-C port that supports DisplayPort Alt Mode. The monitor has only HDMI input. Which adapter or cable is required?

A technician is setting up a mobile point-of-sale (POS) system using a tablet and a Bluetooth receipt printer. The printer pairs but prints garbled text. The tablet is running a custom POS app. What is the most likely cause?

A user wants to connect their laptop to a 4K TV for a movie marathon. They have a USB-C port on the laptop but the TV only has HDMI. Which accessory is required?

A user reports that their laptop's external monitor connected via USB-C to HDMI adapter flickers intermittently. The adapter works fine with other devices. What is the most likely cause?

A small business owner wants to use a smartphone as a point-of-sale (POS) terminal for credit card payments. They ask which accessory is essential for this setup. What should you recommend?

A customer wants to connect a Bluetooth keyboard and mouse to their tablet for a presentation. They ask which accessory is needed to ensure both devices work reliably from across the room. What should you recommend?

A user reports that their smartphone's wireless charging pad stops charging after a few minutes, and the phone gets very hot. The phone supports Qi wireless charging. The technician tests the pad with another phone and it works fine. What is the most likely cause?

A technician is setting up a new tablet for a field worker who needs to capture signatures from customers. The tablet has a standard USB-C port. Which accessory is most appropriate for this task?

A technician is troubleshooting a tablet that can connect to Bluetooth headphones but cannot connect to a Bluetooth keyboard. The keyboard is known to work with other devices. What should the technician check first?

A user complains that their smartphone frequently disconnects from the office Wi-Fi and then reconnects after a few seconds. The issue occurs only when the user walks to a specific part of the building. What is the most likely cause?

A technician is configuring a smartphone for a user who frequently travels internationally. The user wants to avoid high roaming charges but still use data when connected to local Wi-Fi. What should the technician do?

A user reports that their smartphone's mobile hotspot stops working after a few minutes of use. The laptop connected to it loses internet access. What is the most likely cause?

A customer reports that their smartphone can connect to Wi-Fi at home but fails to connect to the company's 5 GHz Wi-Fi network in the office. Other devices connect fine. What is the most likely cause?

A user reports that their smartphone's mobile hotspot works for a few minutes, then the connected laptop loses internet access, but the smartphone still shows a cellular data connection. The hotspot remains enabled. What is the most likely cause?

A user reports that after a recent iOS update, their banking app crashes every time they try to log in. Other apps work fine. The app was working before the update. What is the most likely cause and solution?

A user on a corporate iPhone cannot receive push notifications from the company's email app, even though notifications are enabled in the app settings. Other apps on the phone receive notifications normally. What should the technician check first?

A technician is configuring a company-issued Android tablet for a field worker. The worker needs to use a specific business app that requires location access to log job sites. What should the technician do to ensure the app works correctly?

A user complains that their iOS device's screen brightness automatically dims when using a particular streaming app, but stays normal with other apps. The auto-brightness setting is enabled. What is the most likely reason?

A user reports that their Android phone will not install an app from the Google Play Store. The device has plenty of storage space and a strong internet connection. What is the most likely cause of this issue?

A company uses a custom Android app that stores data locally. After a recent OS update, the app fails to write data to the internal storage, but it can read existing data. The app has all necessary permissions. What is the most likely cause?

A technician is configuring a network for a branch office that will use a router to connect to the main office over the internet. The connection must be encrypted and authenticated to ensure data privacy. Which protocol should the technician configure on the router?

During a network security audit, a technician finds that an employee is using a protocol that allows remote control of a computer with full graphical interface but without encryption. Which protocol should be replaced with a more secure alternative?

During a network upgrade, a technician installs a new wireless access point. Users on the new AP can access local resources but cannot browse the internet. The technician verifies that the AP has a valid IP address and can ping an external website by IP address. Which protocol is most likely misconfigured?

A technician is setting up a new file server and needs to ensure that users can access shared folders using a friendly name like \\fileserver\share instead of an IP address. Which protocol must be configured correctly on the network?

A company deploys a new web server and wants to ensure that data transmitted between clients and the server is encrypted. The technician configures the server to use a certificate. Which protocol should be enabled on the server?

A technician is troubleshooting a network where users intermittently lose connectivity to a critical database server. The technician notices that the server's IP address is being duplicated on the network. Which protocol is responsible for detecting and reporting this conflict?

A small office reports that internal users can access the internet but cannot resolve domain names to IP addresses. The DNS server is configured correctly. Which port should be checked on the firewall?

A company deploys a new internal application that uses a custom TCP port. The application fails to connect from client workstations. A technician verifies that the server is running and the firewall allows outbound traffic. Which step should the technician take next to identify the port issue?

A technician is troubleshooting a VoIP phone that cannot register with the SIP server. The phone has a valid IP address and can ping the server. Which port should be verified as open for SIP traffic?

A user cannot connect to a remote server using RDP. The network team confirms that the firewall allows outbound traffic on all ports. Which port is typically used for RDP and should be verified on the server side?

A technician is configuring a network monitoring tool that uses SNMP to query network devices. Which two ports should be allowed for SNMP communication?

A technician is configuring a new web server that must support both standard and encrypted web traffic. Which two ports should be opened in the firewall?

A company deploys a new 802.11ac access point in a warehouse. After installation, workers report that their handheld scanners frequently disconnect when moving between aisles. The AP is mounted on a high ceiling. Which configuration change would most likely improve connectivity?

During a site survey for a new branch office, you measure signal strength in the conference room and find it is -85 dBm. The client devices require at least -67 dBm for reliable video conferencing. Which action is most appropriate?

A small office uses a legacy 2.4 GHz wireless b/g router. Employees report frequent disconnects and slow speeds, especially when the microwave is used in the break room. Which change would most directly reduce interference in this scenario?

A technician is deploying a point-to-point wireless bridge between two buildings 500 meters apart. The link must support at least 1 Gbps throughput. Both buildings have clear line of sight. Which antenna type and frequency combination is most appropriate?

A user's laptop connects to the office Wi-Fi but cannot access the internet. Other devices on the same network work fine. The laptop's IP address is 169.254.25.14. What is the most likely cause?

A technician is troubleshooting a home network where the 5 GHz band works fine, but the 2.4 GHz band is extremely slow and drops connections. The router is placed near a cordless phone base station. Which type of interference is most likely occurring?

A technician is troubleshooting a network where users can access the internet but cannot reach a specific internal web server by its hostname. The server's IP is 10.0.0.5, and pinging 10.0.0.5 works. The technician checks the DNS server and finds an A record for the server's name pointing to 10.0.0.10. What is the most likely issue?

A company deploys a load balancer to distribute traffic across three web servers. Users report that they occasionally see outdated content or are asked to log in repeatedly. Which network service configuration is most likely missing to maintain session persistence?

A user configures their laptop to use a static IP address, subnet mask, and default gateway. They can ping other devices on the same subnet but cannot reach the internet. What network service is most likely missing from their configuration?

A company wants to allow employees to securely access the corporate network from home using their laptops. Which network service should be deployed to provide encrypted remote access?

A user reports that they can access internal resources using IP addresses but cannot access them using hostnames. Other users on the same network have no issues. What is the most likely cause?

A company's web server is accessible from the internet, but users report that the website loads slowly. The server's public IP is 203.0.113.10, and the internal IP is 192.168.1.10. The network administrator notices that the router's port forwarding rule is set to forward port 80 to 192.168.1.10:8080. What is the likely cause of the slow performance?

A small office has a single router with four LAN ports. The network uses the 192.168.1.0/24 subnet, and the router's LAN IP is 192.168.1.1. A technician needs to add a new printer that must have a static IP address outside the DHCP range (192.168.1.100-192.168.1.200) but still be reachable by all devices. Which IP address should the technician assign to the printer?

A technician is configuring a new wireless router for a home office. The customer wants to ensure that guests can access the internet but cannot see other devices on the main network. Which feature should the technician enable on the router?

A customer reports that their laptop connects to the office Wi-Fi but cannot access the internet. Other devices on the same network work fine. The technician checks the laptop's IP configuration and sees an IP address of 169.254.15.22. What is the most likely cause of this issue?

A network administrator is configuring a small business network with two subnets: 192.168.1.0/24 for employees and 192.168.2.0/24 for guests. The router has two LAN interfaces with IPs 192.168.1.1 and 192.168.2.1. A technician connects a new access point to the guest subnet switch and configures it with a static IP of 192.168.2.50. The access point can ping the router's guest interface but cannot reach the internet. The router's default route points to an ISP modem at 203.0.113.1. What is the most likely missing configuration?

A technician is troubleshooting a connectivity issue where a user's computer can ping the default gateway but cannot access a web server at 203.0.113.50. The technician runs a tracert and sees that the first hop responds, but subsequent hops time out. What is the most likely cause?

A company's network uses a /24 subnet mask. The IT manager asks a technician to configure a new server with a static IP address of 192.168.1.300. The technician knows this is invalid. What is the reason this IP address cannot be used?

A company is upgrading its network to support 10 Gbps speeds for a server farm. The existing cabling is Cat6a, and the switches are Gigabit. The IT manager wants to minimize cost while achieving 10 Gbps. Which hardware change is required?

A small office with 15 employees uses a single switch to connect all workstations. Users report that the network becomes extremely slow during peak hours, and some packets are being dropped. The switch is a 10/100 model with a 1 Gbps uplink to the router. What is the most likely cause of the slowdown?

A user reports that their desktop computer cannot connect to the internet, but other devices on the same network work fine. You check the patch cable from the wall jack to the PC and find it is a Cat5e cable. The PC's network adapter shows a link light, but no activity. What should you do first?

A technician is setting up a new wireless network for a warehouse. The warehouse has metal shelving and concrete walls. Which wireless standard should the technician choose to maximize range and penetration through obstacles?

A small business has a single router with four built-in switch ports. They need to connect 12 wired devices. They have a 24-port unmanaged switch. Which configuration will provide the best network performance and connectivity?

A user complains that their wireless connection drops frequently, but only when they are in the conference room. Other areas of the office have stable connections. What is the most likely cause?

A technician is troubleshooting a network where two computers cannot communicate. Computer A has an IP of 192.168.1.10 with subnet mask 255.255.255.0. Computer B has an IP of 192.168.2.20 with subnet mask 255.255.255.0. Both are connected to the same switch. The switch is not configured with VLANs. Why can't the computers communicate?

A user complains that they cannot access a website by its domain name, but they can access it by typing the IP address directly. The user's computer is configured to obtain DNS automatically. What is the most likely issue?

A user reports that they can only access the internet intermittently. The technician runs ipconfig and sees an IPv4 address of 192.168.1.105 with a subnet mask of 255.255.255.0 and a default gateway of 192.168.1.1. The technician pings the gateway successfully, but pings to 8.8.8.8 fail. What is the most likely issue?

A company has a network with the IP range 172.16.0.0/16. They need to create 8 separate subnets for different departments, each with at least 1000 usable hosts. What subnet mask should be used?

A user reports that their laptop can connect to the internet when using a wired connection at home, but cannot connect to any network resources when using Wi-Fi at the office. The office uses DHCP with a scope of 192.168.10.0/24. The laptop's IP configuration shows an address of 169.254.15.22. What is the most likely cause of this issue?

A network administrator is designing a new subnet scheme for a company with 4 departments: Sales (50 devices), HR (25 devices), IT (10 devices), and Management (5 devices). The company uses the 10.0.0.0/8 network. To minimize wasted IP addresses, which subnet mask should be used for the Sales department?

A small office is moving to a new location and needs a dedicated, symmetrical internet connection with a guaranteed service level agreement (SLA). Which type of internet connection should be installed?

A customer is moving into a new apartment building that has a fiber optic terminal in the basement. They want the fastest possible internet. What equipment will the technician need to install inside the apartment to complete the connection?

A customer reports that their internet connection drops frequently during rainstorms. They have a cable modem and a wireless router. What is the most likely cause of the intermittent connection?

A technician is configuring a new SOHO router for a client who has a DSL internet connection. What type of cable will the technician use to connect the router to the wall jack?

A user complains that their internet is slow in the evenings, especially when streaming video. They have a cable modem and a wireless router. What is the most likely cause?

A technician is troubleshooting a satellite internet connection that has high latency and frequent disconnections. The dish is installed on a roof with a clear view of the sky. What is the most likely cause of the high latency?

A city government wants to provide free public Wi-Fi in a downtown area spanning 2 square miles. The network must handle hundreds of simultaneous users and be accessible from streets and parks. Which network type is most appropriate for this deployment?

A user wants to wirelessly stream music from their smartphone to a Bluetooth speaker in the same room. Which network type is being used for this connection?

A multinational corporation has offices in New York, London, and Tokyo. They need a private, dedicated network to connect all offices with high reliability and low latency. Which network type should be implemented?

A small business wants to connect two separate office buildings that are 150 meters apart, with no existing data cabling between them. They need a reliable, high-speed connection without running new cables. Which type of network should be implemented?

A customer reports that their laptop can connect to the internet at home via Wi-Fi, but at a coffee shop it cannot connect to the guest network. They have not changed any settings. Which network type is most likely causing this issue?

A user complains that their wireless mouse and keyboard stop working when they move more than 10 feet away from the computer. The devices use a USB dongle. Which network type is being used for these peripherals?

A small office has intermittent connectivity issues. The technician needs to verify that the Ethernet cable from the wall jack to the workstation meets T568A wiring standards. Which tool is most appropriate for this task?

During a site survey, a technician needs to measure the signal strength of a wireless access point from various locations in an office to ensure adequate coverage. Which tool should be used for this task?

A user complains that their wired connection drops randomly for a few seconds then reconnects. The technician suspects electromagnetic interference (EMI) from nearby power cables. Which tool can best confirm the presence of excessive EMI on the network cable?

During a network upgrade, a technician needs to document the physical path a cable takes from a workstation to the patch panel in the server room. Which tool is specifically designed to trace the exact cable route through walls and ceilings?

A customer reports that their new laptop can connect to websites using IP addresses but cannot resolve domain names like 'www.example.com'. Which networking tool should be used to verify the DNS server configuration on the laptop?

A technician is troubleshooting intermittent packet loss on a critical link between two buildings. The link uses single-mode fiber optic cable. Which tool is specifically designed to measure the length of the fiber and locate breaks or splices that could cause signal loss?

A user reports that their external monitor connected via HDMI shows a blurry image and the text is hard to read. They have tried a different HDMI cable and the issue persists. What is the most likely cause?

A technician is troubleshooting a monitor that displays a 'fuzzy' image with ghosting. The monitor is connected via VGA. The technician has already tried a different VGA cable and the issue persists. What should the technician check next?

A technician is configuring a dual-monitor setup for a stock trader. One monitor is a 24-inch 1080p display, and the other is a 27-inch 4K display. The user wants the mouse to move seamlessly between them. What setting must the technician configure in the OS display settings?

A user reports that their monitor displays a 'No Signal' message when they turn on their computer. The monitor is connected via DisplayPort. The technician checks that the monitor is powered on and the cable is secure. What should the technician check next?

A customer wants to connect a laptop to a 4K TV for a presentation. The laptop has an HDMI 1.4 port, and the TV supports HDMI 2.0. What is the maximum resolution and refresh rate the customer can expect?

A user's laptop screen has a small crack in the corner, and the display shows lines and discoloration in that area. The rest of the screen works. What is the most cost-effective solution?

A customer reports that their new Gigabit Ethernet connection is only achieving 100 Mbps speeds. The cable run is about 75 meters through a drop ceiling. You verify the switch and NIC are both Gigabit-capable. Which cable issue is most likely causing the speed limitation?

A customer wants to connect two switches in different buildings about 150 meters apart. The link must support at least 1 Gbps. Which cabling solution is most appropriate?

A technician is troubleshooting a network where one workstation intermittently loses connectivity. The cable run is 85 meters and passes through a conduit with several sharp bends. The cable tester shows intermittent shorts. Which cabling issue is most likely?

A technician is installing a new network drop in a warehouse where the cable must run near high-voltage machinery. The run is 60 meters. Which type of cable should be used to minimize interference?

A small office is installing new network drops in a drop ceiling for employee workstations. The IT manager wants to minimize future troubleshooting. Which cabling practice should be followed during installation?

A customer reports that their new Cat6a installation passes a cable certifier test but the link only negotiates at 100 Mbps. The cable run is 90 meters and uses standard T568B terminations. What is the most likely cause of the speed limitation?

A technician is setting up a dual-monitor workstation for a financial analyst. The PC has one HDMI port and one DisplayPort. The monitors have HDMI and DVI inputs, respectively. Which cable combination will allow both monitors to display?

A customer reports that their new external SSD, which uses a USB-C connector, is not being detected by their Windows laptop. The laptop has USB-C ports that support USB 3.2 Gen 2. The SSD works fine on another computer. Which connector-related issue is most likely the cause?

A technician is troubleshooting a desktop PC that will not boot. The motherboard has a 24-pin ATX power connector and a 4-pin CPU power connector. The power supply has a 20+4 pin main connector and an 8-pin CPU connector. What is the correct way to connect the power supply?

A technician is upgrading a server's storage and needs to connect multiple SATA SSDs. The motherboard has only four SATA ports, but the technician needs to connect six drives. Which connector solution should be used?

A user reports that their USB 3.0 external hard drive is transferring data at very slow speeds, around 30 MB/s, when connected to a front-panel USB port. The same drive works at expected speeds (over 100 MB/s) on a rear USB port. Which connector-related issue is most likely?

A user complains that their external monitor flickers intermittently when connected via a VGA cable to their laptop. The laptop has a VGA port, and the monitor works fine with another computer. Which connector-related issue is most likely?

A user reports that their PC sometimes fails to boot, and when it does, they see a message saying 'Memory Management Error.' They have two 4 GB sticks of DDR3 RAM installed. A technician runs Windows Memory Diagnostic and finds errors on one stick. What should the technician do next?

A technician is upgrading a client's laptop from 8 GB to 16 GB of RAM. After installing the new module, the laptop powers on but the screen remains black, and the system emits a series of short beeps. What is the most likely issue?

A small office has several desktop PCs that are experiencing intermittent blue screen errors, especially when running multiple applications. The IT support team suspects faulty RAM. Which tool should they use to test the memory modules?

A technician is tasked with building a high-performance workstation for a data scientist who uses large datasets. The workstation has a motherboard that supports quad-channel memory. The technician has four 16 GB DDR4-3200 modules. Which configuration will yield the best memory performance?

A user is building a new gaming PC and wants to install 32 GB of DDR4 RAM in a dual-channel configuration. They have two 16 GB sticks. Which motherboard slots should they use to ensure dual-channel operation?

A user complains that their PC is running slowly, especially when opening multiple browser tabs. The system has 4 GB of RAM installed, and the OS is Windows 10 64-bit. Task Manager shows memory usage consistently at 90-95%. Which upgrade would provide the most immediate performance improvement?

A technician is configuring a new workstation for video editing. The user needs fast read/write speeds for large project files. Which storage technology should be selected for the primary drive?

A technician is setting up a new RAID 0 array with two 500 GB SSDs for a gaming PC. After installation, the system shows only 500 GB of usable space. What is the most likely cause?

A user wants to upgrade their laptop from a traditional HDD to an SSD for faster boot times. They have a SATA III interface available. Which type of SSD should you recommend for the best performance without requiring an adapter?

A user complains that their computer with a 256 GB NVMe SSD is running out of storage space. They want to add more internal storage but only have one M.2 slot. What is the best solution to expand capacity without sacrificing performance?

A customer reports that their desktop PC with a 1 TB HDD is running very slowly, especially when opening large files. They mention that the drive light is constantly active even when the system is idle. What is the most likely cause of this performance issue?

A client wants to add a second internal hard drive to their desktop for additional storage, but all SATA ports on the motherboard are already used. What is the best solution?

A technician is troubleshooting a high-end workstation that randomly freezes during heavy 3D rendering. The motherboard has an X299 chipset with an LGA 2066 socket. The CPU temperature is normal, and the RAM passes MemTest86. Which motherboard component is most likely causing the instability?

A user complains that their computer sometimes fails to boot and emits a series of long beeps. After several attempts, it boots normally. Which motherboard component is most likely failing?

During a routine hardware upgrade, you install a new PCIe x16 graphics card into a desktop motherboard. The system powers on, but the display remains blank. The graphics card's fans are spinning. What should you check first on the motherboard?

A customer reports that their computer will not power on. The power supply fan does not spin, and the motherboard's power LED is off. You have verified the power cord and outlet are working. Which motherboard component is most likely causing this issue?

A client wants to upgrade their desktop PC with a new, faster processor. They have purchased a CPU that is listed as compatible with the motherboard's socket type. After installation, the system powers on but displays a blank screen. What is the most likely issue?

A technician is building a new gaming PC. The motherboard has two PCIe x16 slots, but the graphics card only works in the second slot. When installed in the first slot (closest to the CPU), the system powers on but no display. What is the most likely cause?

After replacing a motherboard, a technician installs Windows but the system will not boot from the SSD. The drive is detected in UEFI. The technician recalls the previous motherboard used Legacy BIOS. What is the most likely issue?

A customer complains that their computer takes a very long time to boot and sometimes shows a 'CMOS Checksum Error' before starting. What is the most likely hardware issue?

After updating the firmware on a workstation, the system fails to boot and displays a 'Boot Device Not Found' error. The hard drive is detected in UEFI settings. What is the most likely cause?

A technician is tasked with enabling hardware-level virtualization on a desktop to run a virtual machine. Which UEFI setting must be enabled?

During a routine hardware upgrade, a technician installs a new graphics card. The system powers on but no display appears. The old card works fine. What UEFI setting should be checked first?

A technician upgrades a workstation from Windows 10 to Windows 11, but the installation fails with an error that the system does not support TPM 2.0. The CPU is compatible. What must the technician do in UEFI to resolve this?

A technician is tasked with selecting a CPU for a small form factor (SFF) office PC that must run quietly and efficiently. Which CPU characteristic is most important for this build?

A user complains that their computer shuts down unexpectedly after a few minutes of gaming. You check the CPU temperature and find it is 105°C. What is the most likely cause?

A technician is troubleshooting a PC that fails to POST. The CPU fan spins, but there is no display output. The motherboard has a diagnostic LED that shows a CPU error. Which step should the technician take first to resolve the issue?

A customer says their PC randomly freezes and sometimes displays a blue screen error. You run diagnostics and find that the CPU passes all tests, but the system still crashes. Which component should you check next as a likely cause of CPU-related instability?

A technician is configuring a new PC for a user who runs multiple virtual machines. The motherboard has an AM5 socket. Which CPU feature is most important for this workload?

A user reports that their computer is making a loud grinding noise and then shuts down after a few minutes. The CPU temperature is normal at idle. What is the most likely cause?

A technician is troubleshooting a PC that emits a high-pitched whining noise under load. The noise is coming from the power supply area. The system is stable and temperatures are normal. What is the most likely cause?

A technician is selecting a power supply for a workstation that will run 24/7 in a dusty environment. The PSU will be installed in a case with limited airflow. Which PSU feature is most important to prioritize for long-term reliability in this scenario?

A technician is replacing a power supply in an office desktop. The new PSU has a 24-pin main connector, but the motherboard has a 20-pin socket. What should the technician do?

A technician is troubleshooting a PC that shuts down randomly after a few minutes of use. The technician measures the +12V rail with a multimeter and gets 11.2V. The +5V rail reads 4.9V, and the +3.3V rail reads 3.2V. What is the most likely diagnosis?

A technician is upgrading a server's power supply to support additional drives. The current PSU is a 750W unit with a single +12V rail rated at 62A. The new drives will add 5A to the +12V load. The total calculated +12V load is 58A. Is the current PSU adequate?

A small business has several PCs that intermittently reboot or fail to start. The building's electrical system is old, and the technician suspects power quality issues. Which device should the technician recommend installing to protect the computers?

A customer reports that their multifunction printer (MFP) is not scanning to email. The MFP is connected to the network via Ethernet, and other network functions like printing work fine. What is the most likely cause of this issue?

A user complains that when they scan a document to a network folder from the MFP, the scanned file is saved as a blank image. The MFP is configured to scan to a shared folder on a Windows server. What is the most likely cause?

A technician is configuring an MFP for a healthcare clinic that must comply with HIPAA. The MFP has a built-in hard drive that stores scanned documents. The clinic wants to ensure that once a document is scanned and transmitted, it cannot be recovered from the MFP's drive. What feature should the technician enable?

A user reports that when they send a print job to the MFP, the job appears in the print queue but never prints. Other users can print without issues. The MFP is connected via Ethernet. What is the most likely cause?

A user reports that their MFP is making a loud grinding noise when printing, and the output pages have vertical streaks. The MFP is a laser printer with a separate toner cartridge and imaging drum. What is the most likely cause?

A small business uses an MFP that also functions as a network scanner. Users can scan to a shared folder on a Windows PC, but some users get an 'Access Denied' error when scanning. Other users can scan successfully. What is the most likely cause?

A technician is troubleshooting a laser printer that produces a ghost image of the previous page on the current page. The ghost image appears slightly offset. What is the most likely cause?

A user's laser printer is producing pages with a repeating horizontal line defect every 3.75 inches. Which component is most likely causing this issue?

A user reports that their laser printer is producing pages with vertical black streaks. The streaks appear consistently in the same location on every page. Which printer component is most likely causing this issue?

A small office has an inkjet printer that is printing blank pages even though the ink cartridges are full and properly installed. What is the most likely cause of this problem?

A technician is installing a thermal printer for a retail point-of-sale system. The printer uses direct thermal paper. What must the technician verify to ensure proper operation?

A user reports that their laser printer prints fine from Windows, but when they print from a macOS device, the output is garbled with random characters. Both devices are on the same network. What is the most likely cause?

A technician is troubleshooting a VM that cannot connect to the internet. The host has a single NIC and uses a Type 2 hypervisor. The VM's virtual switch is set to 'NAT'. Other VMs on the same host can access the internet. What is the most likely reason for the connectivity issue?

A technician is troubleshooting a VM that frequently crashes with a 'blue screen' error. The host is a Type 1 hypervisor running on server-grade hardware with ECC RAM. The VM was created from a template and has been stable for months. Recently, the technician added a second virtual CPU to the VM. What is the most likely cause of the crashes?

A company is migrating a critical application from a physical server to a virtual machine. The application requires a static MAC address tied to its license. The technician performs a P2V migration and starts the VM, but the application fails to activate. The technician verifies that the VM has the same MAC address as the original physical server. What is the most likely cause of the activation failure?

A technician is configuring a virtual machine to host a database server that requires consistent high disk I/O performance. The host uses a RAID 10 array of SSDs. Which virtual disk type should the technician select to minimize overhead and maximize performance?

A user has a laptop with 8 GB of RAM and runs a Type 2 hypervisor to test a Linux VM. The VM is configured with 4 GB of RAM, but the user notices the host OS becomes sluggish whenever the VM is running. The technician checks resource usage and finds the host is using 6 GB of RAM before starting the VM. What should the technician adjust to improve performance?

A company wants to move a physical server running a legacy application to a virtual machine on a new hypervisor. The application is sensitive to hardware changes and requires the exact same hardware identifiers. Which migration method should the technician recommend?

A company uses a cloud-based virtual desktop infrastructure (VDI) solution. Users report that logging in takes 5 minutes during peak hours. The IT team notices that the cloud provider's resource utilization is at 95%. Which action would best resolve this issue?

A company uses a public cloud provider for compute resources. To reduce costs, they want to use unused capacity at a lower price but accept that the instance may be terminated with short notice. Which pricing model should they choose?

A user complains that their cloud-hosted virtual desktop is slow to open applications and frequently disconnects. They are using a satellite internet connection. Which cloud characteristic is most likely being impacted?

A user receives an error when trying to access a cloud application: 'This application is not available in your region.' The user is traveling abroad. Which cloud concept is most likely causing this restriction?

A technician is configuring a cloud-based virtual machine for a web server. The VM needs to handle traffic spikes automatically without manual intervention. Which cloud characteristic should be enabled?

A technician is deploying a cloud-based application that requires a specific operating system and database. The company wants to avoid managing the underlying OS and patches. Which cloud service model should be used?

A technician is troubleshooting a PC that boots to a black screen with a blinking cursor after the BIOS screen. The system has a single SSD with the OS installed. The BIOS detects the SSD. What is the most likely cause?

A user reports that their PC randomly restarts during boot-up, sometimes before the Windows logo appears. They have already tried reseating the RAM. Which component should be tested next?

A technician is deploying a new SSD in a desktop PC. After installing the drive and connecting the SATA data and power cables, the system does not recognize the drive in the BIOS. All other drives are detected. What should the technician check first?

A user reports that their PC emits a continuous series of short beeps and will not display anything on the screen. The system was working fine after a recent RAM upgrade. What is the most likely cause of this issue?

A client brings in a desktop that will not power on. The technician verifies the power cord is connected and the PSU fan does not spin when the power button is pressed. What is the most appropriate next step?

A technician is configuring a new workstation for video editing. After installing a high-end GPU and additional RAM, the system powers on but the screen is blank. The motherboard has diagnostic LEDs; the VGA LED is lit. What is the most likely issue?

A technician is building a workstation for video editing and needs to install two M.2 NVMe SSDs. The motherboard has one M.2 slot that supports both SATA and NVMe, and another that supports only SATA. When the technician installs both drives, only the NVMe drive is detected. What is the most likely reason?

A technician is configuring a new NAS with four 10 TB hard drives. The customer wants maximum usable capacity with fault tolerance for one drive failure. The technician sets up RAID 5, but after initialization, the usable capacity is only 10 TB instead of the expected 30 TB. What is the most likely cause?

A technician is troubleshooting a server that uses a hardware RAID controller with a 1 GB cache. The server experiences periodic write performance drops, and the event log shows 'Cache battery low' warnings. What is the most likely impact of this condition?

A small business server with a RAID 10 array of four 2 TB hard drives experiences a drive failure. The technician replaces the failed drive with an identical model. After rebuilding, the array reports as healthy, but the total capacity is now 2 TB instead of the expected 4 TB. What is the most likely cause?

A user complains that their external USB hard drive is not recognized when plugged into a Windows 10 workstation. The technician checks Device Manager and sees an unknown device with a yellow exclamation mark. What should the technician do first?

A technician is troubleshooting a desktop that fails to boot and displays 'No bootable device' after a power outage. The system has a single SATA SSD for the OS and a separate HDD for data. The BIOS detects both drives. What should the technician check first?

A user's 4K monitor is set to 3840x2160 resolution but text and icons appear very small and blurry. The display cable is a standard HDMI cable. What is the most likely cause of the blurriness?

A technician is setting up a dual-monitor workstation. One monitor is connected via DisplayPort, the other via DVI. The DVI monitor is not detected. The DisplayPort monitor works fine. Which of the following is the most likely cause?

A technician is troubleshooting a display that shows a single vertical line of dead pixels from top to bottom. The monitor is under warranty. Which of the following is the most appropriate resolution?

A user reports that their LCD monitor intermittently goes black for 2-3 seconds, then returns to normal. This happens randomly, not during any specific activity. The monitor's power LED stays green during the blackouts. Which component is most likely failing?

A customer complains that their LCD monitor has a persistent faint shadow of the previous image visible on the screen, even after changing applications. What is the most likely cause of this issue?

A technician is troubleshooting a desktop PC that powers on but shows no display on the monitor. The monitor's power LED is amber (standby). The PC has an integrated GPU and a discrete GPU. Which step should be taken FIRST to isolate the issue?

A user reports that their iPhone 13 will not charge when plugged into the charging port. The user has tried different cables and power adapters, but the phone still does not charge. The phone's screen and buttons work normally. Which of the following is the most likely cause?

A user reports that their smartphone's screen is flickering and has vertical lines. The phone has not been dropped or exposed to water. Which of the following is the most likely cause of this issue?

A technician is troubleshooting a laptop that powers on but displays a black screen with no boot activity. The technician hears the fan spinning and sees the power LED is on. Which of the following steps should the technician perform next to isolate the issue?

A user complains that their laptop's Wi-Fi connection is extremely slow and keeps dropping, but other devices on the same network work fine. The laptop is an older model running Windows 10. Which of the following should the technician try first?

A technician is troubleshooting a laptop that has a blinking battery light and will not power on, even when plugged into AC power. The technician has already verified the AC adapter is working on another laptop. Which component is most likely faulty?

A technician is configuring a new Android tablet for a warehouse employee. The employee will use the tablet to scan barcodes and access a web-based inventory system. The tablet needs to stay connected to the Wi-Fi network even when the screen is off to receive updates. Which setting should the technician configure?

During a site survey, a technician finds that users in the break room experience very slow Wi-Fi while those in offices nearby have excellent speeds. What is the most likely cause?

A technician is troubleshooting a network where users can access the internet but cannot reach a specific internal web server by its hostname. Pinging the server's IP address works. What is the most likely issue?

A user's laptop cannot connect to any network after a recent OS update. The Wi-Fi adapter shows as enabled in Device Manager with no errors, and other devices on the same network work fine. What should the technician do first?

A user reports that their VoIP phone works but the PC connected to the phone's passthrough port has no network access. What should the technician check first?

After deploying a new 802.11ac access point, users report that some devices can connect but others cannot, even though they are in the same room. All devices support 5 GHz. What is the most likely cause?

A company's remote site connects to the main office via a site-to-site VPN. Recently, users at the remote site report that they can access internal servers at the main office but cannot reach the internet. The main office users have full internet access. What is the most likely cause?

A user reports that their laser printer prints a 'PC LOAD LETTER' error message. The paper tray is full of A4 paper. What should the technician do to resolve the issue?

A user complains that their laser printer is printing blank pages. The printer has toner, and the paper feeds correctly. Which component should the technician inspect first?

A technician is troubleshooting a laser printer that produces pages with a faint ghost image of the previous page. The ghost image is slightly offset. Which component is most likely the cause?

A small business uses a thermal printer for shipping labels. Recently, the labels are printing with missing sections and uneven darkness. What is the most likely cause?

A technician is installing a new network-connected laser printer in a conference room. After connecting the Ethernet cable and power, the printer's control panel shows an IP address of 169.254.3.18. What is the most likely issue?

A small office has an inkjet printer that produces prints with horizontal white lines across the page. The lines appear in different positions on each print. Which step should the technician take first?